Allow non-arrowed form of chained subscripts after slices

Subject: Re: [perl #37039] perlref documentation about optional -> is too vague
Date: Thu, 1 Sep 2005 17:41:36 -0700
Message-ID: <20050902004136.GA2656@efn.org>

Date: Mon, 5 Sep 2005 08:10:20 -0700
Message-ID: <20050905151020.GA3556@efn.org>

p4raw-id: //depot/perl@25399

5 files changed, 385 insertions, 368 deletions

diff --git a/perly.act b/perly.act
index 0011ecfc7c..0484e296d0 100644
--- a/perly.act
+++ b/perly.act
@@ -1,75 +1,75 @@
 case 2:
 #line 97 "perly.y"
-    { yyval.ival = yyvsp[-1].ival; newPROG(block_end(yyvsp[-1].ival,yyvsp[0].opval)); ;}
+    { (yyval.ival) = (yyvsp[-1].ival); newPROG(block_end((yyvsp[-1].ival),(yyvsp[0].opval))); ;}
     break;
 
   case 3:
 #line 102 "perly.y"
-    { if (PL_copline > (line_t)yyvsp[-3].ival)
-			      PL_copline = (line_t)yyvsp[-3].ival;
-			  yyval.opval = block_end(yyvsp[-2].ival, yyvsp[-1].opval); ;}
+    { if (PL_copline > (line_t)(yyvsp[-3].ival))
+			      PL_copline = (line_t)(yyvsp[-3].ival);
+			  (yyval.opval) = block_end((yyvsp[-2].ival), (yyvsp[-1].opval)); ;}
     break;
 
   case 4:
 #line 108 "perly.y"
-    { yyval.ival = block_start(TRUE); ;}
+    { (yyval.ival) = block_start(TRUE); ;}
     break;
 
   case 5:
 #line 112 "perly.y"
     {
-		    PL_expect = XSTATE; yyval.ival = block_start(TRUE);
+		    PL_expect = XSTATE; (yyval.ival) = block_start(TRUE);
 		;}
     break;
 
   case 6:
 #line 119 "perly.y"
-    { if (PL_copline > (line_t)yyvsp[-3].ival)
-			      PL_copline = (line_t)yyvsp[-3].ival;
-			  yyval.opval = block_end(yyvsp[-2].ival, yyvsp[-1].opval); ;}
+    { if (PL_copline > (line_t)(yyvsp[-3].ival))
+			      PL_copline = (line_t)(yyvsp[-3].ival);
+			  (yyval.opval) = block_end((yyvsp[-2].ival), (yyvsp[-1].opval)); ;}
     break;
 
   case 7:
 #line 125 "perly.y"
-    { yyval.ival = block_start(FALSE); ;}
+    { (yyval.ival) = block_start(FALSE); ;}
     break;
 
   case 8:
 #line 129 "perly.y"
-    { yyval.ival = PL_savestack_ix; ;}
+    { (yyval.ival) = PL_savestack_ix; ;}
     break;
 
   case 9:
 #line 133 "perly.y"
-    { yyval.opval = Nullop; ;}
+    { (yyval.opval) = Nullop; ;}
     break;
 
   case 10:
 #line 135 "perly.y"
-    { yyval.opval = yyvsp[-1].opval; ;}
+    { (yyval.opval) = (yyvsp[-1].opval); ;}
     break;
 
   case 11:
 #line 137 "perly.y"
-    {   LEAVE_SCOPE(yyvsp[-1].ival);
-			    yyval.opval = append_list(OP_LINESEQ,
-				(LISTOP*)yyvsp[-2].opval, (LISTOP*)yyvsp[0].opval);
+    {   LEAVE_SCOPE((yyvsp[-1].ival));
+			    (yyval.opval) = append_list(OP_LINESEQ,
+				(LISTOP*)(yyvsp[-2].opval), (LISTOP*)(yyvsp[0].opval));
 			    PL_pad_reset_pending = TRUE;
-			    if (yyvsp[-2].opval && yyvsp[0].opval) PL_hints |= HINT_BLOCK_SCOPE; ;}
+			    if ((yyvsp[-2].opval) && (yyvsp[0].opval)) PL_hints |= HINT_BLOCK_SCOPE; ;}
     break;
 
   case 12:
 #line 146 "perly.y"
-    { yyval.opval = newSTATEOP(0, yyvsp[-1].pval, yyvsp[0].opval); ;}
+    { (yyval.opval) = newSTATEOP(0, (yyvsp[-1].pval), (yyvsp[0].opval)); ;}
     break;
 
   case 14:
 #line 149 "perly.y"
-    { if (yyvsp[-1].pval != Nullch) {
-			      yyval.opval = newSTATEOP(0, yyvsp[-1].pval, newOP(OP_NULL, 0));
+    { if ((yyvsp[-1].pval) != Nullch) {
+			      (yyval.opval) = newSTATEOP(0, (yyvsp[-1].pval), newOP(OP_NULL, 0));
 			    }
 			    else {
-			      yyval.opval = Nullop;
+			      (yyval.opval) = Nullop;
 			      PL_copline = NOLINE;
 			    }
 			    PL_expect = XSTATE; ;}
@@ -77,308 +77,308 @@ case 2:
 
   case 15:
 #line 158 "perly.y"
-    { yyval.opval = newSTATEOP(0, yyvsp[-2].pval, yyvsp[-1].opval);
+    { (yyval.opval) = newSTATEOP(0, (yyvsp[-2].pval), (yyvsp[-1].opval));
 			  PL_expect = XSTATE; ;}
     break;
 
   case 16:
 #line 164 "perly.y"
-    { yyval.opval = Nullop; ;}
+    { (yyval.opval) = Nullop; ;}
     break;
 
   case 17:
 #line 166 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 18:
 #line 168 "perly.y"
-    { yyval.opval = newLOGOP(OP_AND, 0, yyvsp[0].opval, yyvsp[-2].opval); ;}
+    { (yyval.opval) = newLOGOP(OP_AND, 0, (yyvsp[0].opval), (yyvsp[-2].opval)); ;}
     break;
 
   case 19:
 #line 170 "perly.y"
-    { yyval.opval = newLOGOP(OP_OR, 0, yyvsp[0].opval, yyvsp[-2].opval); ;}
+    { (yyval.opval) = newLOGOP(OP_OR, 0, (yyvsp[0].opval), (yyvsp[-2].opval)); ;}
     break;
 
   case 20:
 #line 172 "perly.y"
-    { yyval.opval = newLOOPOP(OPf_PARENS, 1, scalar(yyvsp[0].opval), yyvsp[-2].opval); ;}
+    { (yyval.opval) = newLOOPOP(OPf_PARENS, 1, scalar((yyvsp[0].opval)), (yyvsp[-2].opval)); ;}
     break;
 
   case 21:
 #line 174 "perly.y"
-    { yyval.opval = newLOOPOP(OPf_PARENS, 1, yyvsp[0].opval, yyvsp[-2].opval);;}
+    { (yyval.opval) = newLOOPOP(OPf_PARENS, 1, (yyvsp[0].opval), (yyvsp[-2].opval));;}
     break;
 
   case 22:
 #line 176 "perly.y"
-    { yyval.opval = newFOROP(0, Nullch, (line_t)yyvsp[-1].ival,
-					Nullop, yyvsp[0].opval, yyvsp[-2].opval, Nullop); ;}
+    { (yyval.opval) = newFOROP(0, Nullch, (line_t)(yyvsp[-1].ival),
+					Nullop, (yyvsp[0].opval), (yyvsp[-2].opval), Nullop); ;}
     break;
 
   case 23:
 #line 182 "perly.y"
-    { yyval.opval = Nullop; ;}
+    { (yyval.opval) = Nullop; ;}
     break;
 
   case 24:
 #line 184 "perly.y"
-    { (yyvsp[0].opval)->op_flags |= OPf_PARENS; yyval.opval = scope(yyvsp[0].opval); ;}
+    { ((yyvsp[0].opval))->op_flags |= OPf_PARENS; (yyval.opval) = scope((yyvsp[0].opval)); ;}
     break;
 
   case 25:
 #line 186 "perly.y"
-    { PL_copline = (line_t)yyvsp[-5].ival;
-			    yyval.opval = newCONDOP(0, yyvsp[-3].opval, scope(yyvsp[-1].opval), yyvsp[0].opval);
+    { PL_copline = (line_t)(yyvsp[-5].ival);
+			    (yyval.opval) = newCONDOP(0, (yyvsp[-3].opval), scope((yyvsp[-1].opval)), (yyvsp[0].opval));
 			    PL_hints |= HINT_BLOCK_SCOPE; ;}
     break;
 
   case 26:
 #line 193 "perly.y"
-    { PL_copline = (line_t)yyvsp[-6].ival;
-			    yyval.opval = block_end(yyvsp[-4].ival,
-				   newCONDOP(0, yyvsp[-3].opval, scope(yyvsp[-1].opval), yyvsp[0].opval)); ;}
+    { PL_copline = (line_t)(yyvsp[-6].ival);
+			    (yyval.opval) = block_end((yyvsp[-4].ival),
+				   newCONDOP(0, (yyvsp[-3].opval), scope((yyvsp[-1].opval)), (yyvsp[0].opval))); ;}
     break;
 
   case 27:
 #line 197 "perly.y"
-    { PL_copline = (line_t)yyvsp[-6].ival;
-			    yyval.opval = block_end(yyvsp[-4].ival,
-				   newCONDOP(0, yyvsp[-3].opval, scope(yyvsp[-1].opval), yyvsp[0].opval)); ;}
+    { PL_copline = (line_t)(yyvsp[-6].ival);
+			    (yyval.opval) = block_end((yyvsp[-4].ival),
+				   newCONDOP(0, (yyvsp[-3].opval), scope((yyvsp[-1].opval)), (yyvsp[0].opval))); ;}
     break;
 
   case 28:
 #line 204 "perly.y"
-    { yyval.opval = Nullop; ;}
+    { (yyval.opval) = Nullop; ;}
     break;
 
   case 29:
 #line 206 "perly.y"
-    { yyval.opval = scope(yyvsp[0].opval); ;}
+    { (yyval.opval) = scope((yyvsp[0].opval)); ;}
     break;
 
   case 30:
 #line 211 "perly.y"
-    { PL_copline = (line_t)yyvsp[-7].ival;
-			    yyval.opval = block_end(yyvsp[-5].ival,
-				   newSTATEOP(0, yyvsp[-8].pval,
+    { PL_copline = (line_t)(yyvsp[-7].ival);
+			    (yyval.opval) = block_end((yyvsp[-5].ival),
+				   newSTATEOP(0, (yyvsp[-8].pval),
 				     newWHILEOP(0, 1, (LOOP*)Nullop,
-						yyvsp[-7].ival, yyvsp[-4].opval, yyvsp[-1].opval, yyvsp[0].opval, yyvsp[-2].ival))); ;}
+						(yyvsp[-7].ival), (yyvsp[-4].opval), (yyvsp[-1].opval), (yyvsp[0].opval), (yyvsp[-2].ival)))); ;}
     break;
 
   case 31:
 #line 217 "perly.y"
-    { PL_copline = (line_t)yyvsp[-7].ival;
-			    yyval.opval = block_end(yyvsp[-5].ival,
-				   newSTATEOP(0, yyvsp[-8].pval,
+    { PL_copline = (line_t)(yyvsp[-7].ival);
+			    (yyval.opval) = block_end((yyvsp[-5].ival),
+				   newSTATEOP(0, (yyvsp[-8].pval),
 				     newWHILEOP(0, 1, (LOOP*)Nullop,
-						yyvsp[-7].ival, yyvsp[-4].opval, yyvsp[-1].opval, yyvsp[0].opval, yyvsp[-2].ival))); ;}
+						(yyvsp[-7].ival), (yyvsp[-4].opval), (yyvsp[-1].opval), (yyvsp[0].opval), (yyvsp[-2].ival)))); ;}
     break;
 
   case 32:
 #line 223 "perly.y"
-    { yyval.opval = block_end(yyvsp[-6].ival,
-				 newFOROP(0, yyvsp[-9].pval, (line_t)yyvsp[-8].ival, yyvsp[-5].opval, yyvsp[-3].opval, yyvsp[-1].opval, yyvsp[0].opval)); ;}
+    { (yyval.opval) = block_end((yyvsp[-6].ival),
+				 newFOROP(0, (yyvsp[-9].pval), (line_t)(yyvsp[-8].ival), (yyvsp[-5].opval), (yyvsp[-3].opval), (yyvsp[-1].opval), (yyvsp[0].opval))); ;}
     break;
 
   case 33:
 #line 226 "perly.y"
-    { yyval.opval = block_end(yyvsp[-4].ival,
-				 newFOROP(0, yyvsp[-8].pval, (line_t)yyvsp[-7].ival, mod(yyvsp[-6].opval, OP_ENTERLOOP),
-					  yyvsp[-3].opval, yyvsp[-1].opval, yyvsp[0].opval)); ;}
+    { (yyval.opval) = block_end((yyvsp[-4].ival),
+				 newFOROP(0, (yyvsp[-8].pval), (line_t)(yyvsp[-7].ival), mod((yyvsp[-6].opval), OP_ENTERLOOP),
+					  (yyvsp[-3].opval), (yyvsp[-1].opval), (yyvsp[0].opval))); ;}
     break;
 
   case 34:
 #line 230 "perly.y"
-    { yyval.opval = block_end(yyvsp[-4].ival,
-				 newFOROP(0, yyvsp[-7].pval, (line_t)yyvsp[-6].ival, Nullop, yyvsp[-3].opval, yyvsp[-1].opval, yyvsp[0].opval)); ;}
+    { (yyval.opval) = block_end((yyvsp[-4].ival),
+				 newFOROP(0, (yyvsp[-7].pval), (line_t)(yyvsp[-6].ival), Nullop, (yyvsp[-3].opval), (yyvsp[-1].opval), (yyvsp[0].opval))); ;}
     break;
 
   case 35:
 #line 235 "perly.y"
     { OP *forop;
-			  PL_copline = (line_t)yyvsp[-10].ival;
-			  forop = newSTATEOP(0, yyvsp[-11].pval,
+			  PL_copline = (line_t)(yyvsp[-10].ival);
+			  forop = newSTATEOP(0, (yyvsp[-11].pval),
 					    newWHILEOP(0, 1, (LOOP*)Nullop,
-						yyvsp[-10].ival, scalar(yyvsp[-5].opval),
-						yyvsp[0].opval, yyvsp[-2].opval, yyvsp[-3].ival));
-			  if (yyvsp[-7].opval) {
+						(yyvsp[-10].ival), scalar((yyvsp[-5].opval)),
+						(yyvsp[0].opval), (yyvsp[-2].opval), (yyvsp[-3].ival)));
+			  if ((yyvsp[-7].opval)) {
 				forop = append_elem(OP_LINESEQ,
-                                        newSTATEOP(0, (yyvsp[-11].pval?savepv(yyvsp[-11].pval):Nullch),
-						   yyvsp[-7].opval),
+                                        newSTATEOP(0, ((yyvsp[-11].pval)?savepv((yyvsp[-11].pval)):Nullch),
+						   (yyvsp[-7].opval)),
 					forop);
 			  }
 
-			  yyval.opval = block_end(yyvsp[-8].ival, forop); ;}
+			  (yyval.opval) = block_end((yyvsp[-8].ival), forop); ;}
     break;
 
   case 36:
 #line 250 "perly.y"
-    { yyval.opval = newSTATEOP(0, yyvsp[-2].pval,
+    { (yyval.opval) = newSTATEOP(0, (yyvsp[-2].pval),
 				 newWHILEOP(0, 1, (LOOP*)Nullop,
-					    NOLINE, Nullop, yyvsp[-1].opval, yyvsp[0].opval, 0)); ;}
+					    NOLINE, Nullop, (yyvsp[-1].opval), (yyvsp[0].opval), 0)); ;}
     break;
 
   case 37:
 #line 257 "perly.y"
-    { yyval.ival = (PL_min_intro_pending &&
+    { (yyval.ival) = (PL_min_intro_pending &&
 			    PL_max_intro_pending >=  PL_min_intro_pending);
 			  intro_my(); ;}
     break;
 
   case 38:
 #line 263 "perly.y"
-    { yyval.opval = Nullop; ;}
+    { (yyval.opval) = Nullop; ;}
     break;
 
   case 40:
 #line 269 "perly.y"
-    { (void)scan_num("1", &yylval); yyval.opval = yylval.opval; ;}
+    { (void)scan_num("1", &yylval); (yyval.opval) = yylval.opval; ;}
     break;
 
   case 42:
 #line 275 "perly.y"
-    { yyval.opval = invert(scalar(yyvsp[0].opval)); ;}
+    { (yyval.opval) = invert(scalar((yyvsp[0].opval))); ;}
     break;
 
   case 43:
 #line 280 "perly.y"
-    { yyval.opval = yyvsp[0].opval; intro_my(); ;}
+    { (yyval.opval) = (yyvsp[0].opval); intro_my(); ;}
     break;
 
   case 44:
 #line 284 "perly.y"
-    { yyval.opval = yyvsp[0].opval; intro_my(); ;}
+    { (yyval.opval) = (yyvsp[0].opval); intro_my(); ;}
     break;
 
   case 45:
 #line 288 "perly.y"
-    { yyval.opval = yyvsp[0].opval; intro_my(); ;}
+    { (yyval.opval) = (yyvsp[0].opval); intro_my(); ;}
     break;
 
   case 46:
 #line 293 "perly.y"
-    { yyval.pval = Nullch; ;}
+    { (yyval.pval) = Nullch; ;}
     break;
 
   case 48:
 #line 299 "perly.y"
-    { yyval.ival = 0; ;}
+    { (yyval.ival) = 0; ;}
     break;
 
   case 49:
 #line 301 "perly.y"
-    { yyval.ival = 0; ;}
+    { (yyval.ival) = 0; ;}
     break;
 
   case 50:
 #line 303 "perly.y"
-    { yyval.ival = 0; ;}
+    { (yyval.ival) = 0; ;}
     break;
 
   case 51:
 #line 305 "perly.y"
-    { yyval.ival = 0; ;}
+    { (yyval.ival) = 0; ;}
     break;
 
   case 52:
 #line 307 "perly.y"
-    { yyval.ival = 0; ;}
+    { (yyval.ival) = 0; ;}
     break;
 
   case 53:
 #line 311 "perly.y"
-    { newFORM(yyvsp[-2].ival, yyvsp[-1].opval, yyvsp[0].opval); ;}
+    { newFORM((yyvsp[-2].ival), (yyvsp[-1].opval), (yyvsp[0].opval)); ;}
     break;
 
   case 54:
 #line 314 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 55:
 #line 315 "perly.y"
-    { yyval.opval = Nullop; ;}
+    { (yyval.opval) = Nullop; ;}
     break;
 
   case 56:
 #line 320 "perly.y"
-    { newMYSUB(yyvsp[-4].ival, yyvsp[-3].opval, yyvsp[-2].opval, yyvsp[-1].opval, yyvsp[0].opval); ;}
+    { newMYSUB((yyvsp[-4].ival), (yyvsp[-3].opval), (yyvsp[-2].opval), (yyvsp[-1].opval), (yyvsp[0].opval)); ;}
     break;
 
   case 57:
 #line 325 "perly.y"
-    { newATTRSUB(yyvsp[-4].ival, yyvsp[-3].opval, yyvsp[-2].opval, yyvsp[-1].opval, yyvsp[0].opval); ;}
+    { newATTRSUB((yyvsp[-4].ival), (yyvsp[-3].opval), (yyvsp[-2].opval), (yyvsp[-1].opval), (yyvsp[0].opval)); ;}
     break;
 
   case 58:
 #line 329 "perly.y"
-    { yyval.ival = start_subparse(FALSE, 0); ;}
+    { (yyval.ival) = start_subparse(FALSE, 0); ;}
     break;
 
   case 59:
 #line 333 "perly.y"
-    { yyval.ival = start_subparse(FALSE, CVf_ANON); ;}
+    { (yyval.ival) = start_subparse(FALSE, CVf_ANON); ;}
     break;
 
   case 60:
 #line 337 "perly.y"
-    { yyval.ival = start_subparse(TRUE, 0); ;}
+    { (yyval.ival) = start_subparse(TRUE, 0); ;}
     break;
 
   case 61:
 #line 341 "perly.y"
-    { STRLEN n_a; const char *name = SvPV_const(((SVOP*)yyvsp[0].opval)->op_sv,n_a);
+    { STRLEN n_a; const char *name = SvPV_const(((SVOP*)(yyvsp[0].opval))->op_sv,n_a);
 			  if (strEQ(name, "BEGIN") || strEQ(name, "END")
 			      || strEQ(name, "INIT") || strEQ(name, "CHECK"))
 			      CvSPECIAL_on(PL_compcv);
-			  yyval.opval = yyvsp[0].opval; ;}
+			  (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 62:
 #line 350 "perly.y"
-    { yyval.opval = Nullop; ;}
+    { (yyval.opval) = Nullop; ;}
     break;
 
   case 64:
 #line 356 "perly.y"
-    { yyval.opval = Nullop; ;}
+    { (yyval.opval) = Nullop; ;}
     break;
 
   case 65:
 #line 358 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 66:
 #line 360 "perly.y"
-    { yyval.opval = Nullop; ;}
+    { (yyval.opval) = Nullop; ;}
     break;
 
   case 67:
 #line 365 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 68:
 #line 367 "perly.y"
-    { yyval.opval = Nullop; ;}
+    { (yyval.opval) = Nullop; ;}
     break;
 
   case 69:
 #line 371 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 70:
 #line 372 "perly.y"
-    { yyval.opval = Nullop; PL_expect = XSTATE; ;}
+    { (yyval.opval) = Nullop; PL_expect = XSTATE; ;}
     break;
 
   case 71:
 #line 376 "perly.y"
-    { package(yyvsp[-1].opval); ;}
+    { package((yyvsp[-1].opval)); ;}
     break;
 
   case 72:
@@ -388,659 +388,659 @@ case 2:
 
   case 73:
 #line 382 "perly.y"
-    { utilize(yyvsp[-6].ival, yyvsp[-5].ival, yyvsp[-3].opval, yyvsp[-2].opval, yyvsp[-1].opval); ;}
+    { utilize((yyvsp[-6].ival), (yyvsp[-5].ival), (yyvsp[-3].opval), (yyvsp[-2].opval), (yyvsp[-1].opval)); ;}
     break;
 
   case 74:
 #line 387 "perly.y"
-    { yyval.opval = newLOGOP(OP_AND, 0, yyvsp[-2].opval, yyvsp[0].opval); ;}
+    { (yyval.opval) = newLOGOP(OP_AND, 0, (yyvsp[-2].opval), (yyvsp[0].opval)); ;}
     break;
 
   case 75:
 #line 389 "perly.y"
-    { yyval.opval = newLOGOP(yyvsp[-1].ival, 0, yyvsp[-2].opval, yyvsp[0].opval); ;}
+    { (yyval.opval) = newLOGOP((yyvsp[-1].ival), 0, (yyvsp[-2].opval), (yyvsp[0].opval)); ;}
     break;
 
   case 76:
 #line 391 "perly.y"
-    { yyval.opval = newLOGOP(OP_DOR, 0, yyvsp[-2].opval, yyvsp[0].opval); ;}
+    { (yyval.opval) = newLOGOP(OP_DOR, 0, (yyvsp[-2].opval), (yyvsp[0].opval)); ;}
     break;
 
   case 78:
 #line 397 "perly.y"
-    { yyval.opval = yyvsp[-1].opval; ;}
+    { (yyval.opval) = (yyvsp[-1].opval); ;}
     break;
 
   case 79:
 #line 399 "perly.y"
-    { yyval.opval = append_elem(OP_LIST, yyvsp[-2].opval, yyvsp[0].opval); ;}
+    { (yyval.opval) = append_elem(OP_LIST, (yyvsp[-2].opval), (yyvsp[0].opval)); ;}
     break;
 
   case 81:
 #line 405 "perly.y"
-    { yyval.opval = convert(yyvsp[-2].ival, OPf_STACKED,
-				prepend_elem(OP_LIST, newGVREF(yyvsp[-2].ival,yyvsp[-1].opval), yyvsp[0].opval) ); ;}
+    { (yyval.opval) = convert((yyvsp[-2].ival), OPf_STACKED,
+				prepend_elem(OP_LIST, newGVREF((yyvsp[-2].ival),(yyvsp[-1].opval)), (yyvsp[0].opval)) ); ;}
     break;
 
   case 82:
 #line 408 "perly.y"
-    { yyval.opval = convert(yyvsp[-4].ival, OPf_STACKED,
-				prepend_elem(OP_LIST, newGVREF(yyvsp[-4].ival,yyvsp[-2].opval), yyvsp[-1].opval) ); ;}
+    { (yyval.opval) = convert((yyvsp[-4].ival), OPf_STACKED,
+				prepend_elem(OP_LIST, newGVREF((yyvsp[-4].ival),(yyvsp[-2].opval)), (yyvsp[-1].opval)) ); ;}
     break;
 
   case 83:
 #line 411 "perly.y"
-    { yyval.opval = convert(OP_ENTERSUB, OPf_STACKED,
+    { (yyval.opval) = convert(OP_ENTERSUB, OPf_STACKED,
 				append_elem(OP_LIST,
-				    prepend_elem(OP_LIST, scalar(yyvsp[-5].opval), yyvsp[-1].opval),
-				    newUNOP(OP_METHOD, 0, yyvsp[-3].opval))); ;}
+				    prepend_elem(OP_LIST, scalar((yyvsp[-5].opval)), (yyvsp[-1].opval)),
+				    newUNOP(OP_METHOD, 0, (yyvsp[-3].opval)))); ;}
     break;
 
   case 84:
 #line 416 "perly.y"
-    { yyval.opval = convert(OP_ENTERSUB, OPf_STACKED,
-				append_elem(OP_LIST, scalar(yyvsp[-2].opval),
-				    newUNOP(OP_METHOD, 0, yyvsp[0].opval))); ;}
+    { (yyval.opval) = convert(OP_ENTERSUB, OPf_STACKED,
+				append_elem(OP_LIST, scalar((yyvsp[-2].opval)),
+				    newUNOP(OP_METHOD, 0, (yyvsp[0].opval)))); ;}
     break;
 
   case 85:
 #line 420 "perly.y"
-    { yyval.opval = convert(OP_ENTERSUB, OPf_STACKED,
+    { (yyval.opval) = convert(OP_ENTERSUB, OPf_STACKED,
 				append_elem(OP_LIST,
-				    prepend_elem(OP_LIST, yyvsp[-1].opval, yyvsp[0].opval),
-				    newUNOP(OP_METHOD, 0, yyvsp[-2].opval))); ;}
+				    prepend_elem(OP_LIST, (yyvsp[-1].opval), (yyvsp[0].opval)),
+				    newUNOP(OP_METHOD, 0, (yyvsp[-2].opval)))); ;}
     break;
 
   case 86:
 #line 425 "perly.y"
-    { yyval.opval = convert(OP_ENTERSUB, OPf_STACKED,
+    { (yyval.opval) = convert(OP_ENTERSUB, OPf_STACKED,
 				append_elem(OP_LIST,
-				    prepend_elem(OP_LIST, yyvsp[-3].opval, yyvsp[-1].opval),
-				    newUNOP(OP_METHOD, 0, yyvsp[-4].opval))); ;}
+				    prepend_elem(OP_LIST, (yyvsp[-3].opval), (yyvsp[-1].opval)),
+				    newUNOP(OP_METHOD, 0, (yyvsp[-4].opval)))); ;}
     break;
 
   case 87:
 #line 430 "perly.y"
-    { yyval.opval = convert(yyvsp[-1].ival, 0, yyvsp[0].opval); ;}
+    { (yyval.opval) = convert((yyvsp[-1].ival), 0, (yyvsp[0].opval)); ;}
     break;
 
   case 88:
 #line 432 "perly.y"
-    { yyval.opval = convert(yyvsp[-3].ival, 0, yyvsp[-1].opval); ;}
+    { (yyval.opval) = convert((yyvsp[-3].ival), 0, (yyvsp[-1].opval)); ;}
     break;
 
   case 89:
 #line 434 "perly.y"
-    { yyvsp[0].opval = newANONATTRSUB(yyvsp[-1].ival, 0, Nullop, yyvsp[0].opval); ;}
+    { (yyvsp[0].opval) = newANONATTRSUB((yyvsp[-1].ival), 0, Nullop, (yyvsp[0].opval)); ;}
     break;
 
   case 90:
 #line 436 "perly.y"
-    { yyval.opval = newUNOP(OP_ENTERSUB, OPf_STACKED,
+    { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED,
 				 append_elem(OP_LIST,
-				   prepend_elem(OP_LIST, yyvsp[-2].opval, yyvsp[0].opval), yyvsp[-4].opval)); ;}
+				   prepend_elem(OP_LIST, (yyvsp[-2].opval), (yyvsp[0].opval)), (yyvsp[-4].opval))); ;}
     break;
 
   case 93:
 #line 450 "perly.y"
-    { yyval.opval = newBINOP(OP_GELEM, 0, yyvsp[-4].opval, scalar(yyvsp[-2].opval));
+    { (yyval.opval) = newBINOP(OP_GELEM, 0, (yyvsp[-4].opval), scalar((yyvsp[-2].opval)));
 			    PL_expect = XOPERATOR; ;}
     break;
 
   case 94:
 #line 453 "perly.y"
-    { yyval.opval = newBINOP(OP_AELEM, 0, oopsAV(yyvsp[-3].opval), scalar(yyvsp[-1].opval)); ;}
+    { (yyval.opval) = newBINOP(OP_AELEM, 0, oopsAV((yyvsp[-3].opval)), scalar((yyvsp[-1].opval))); ;}
     break;
 
   case 95:
 #line 455 "perly.y"
-    { yyval.opval = newBINOP(OP_AELEM, 0,
-					ref(newAVREF(yyvsp[-4].opval),OP_RV2AV),
-					scalar(yyvsp[-1].opval));;}
+    { (yyval.opval) = newBINOP(OP_AELEM, 0,
+					ref(newAVREF((yyvsp[-4].opval)),OP_RV2AV),
+					scalar((yyvsp[-1].opval)));;}
     break;
 
   case 96:
 #line 459 "perly.y"
-    { yyval.opval = newBINOP(OP_AELEM, 0,
-					ref(newAVREF(yyvsp[-3].opval),OP_RV2AV),
-					scalar(yyvsp[-1].opval));;}
+    { (yyval.opval) = newBINOP(OP_AELEM, 0,
+					ref(newAVREF((yyvsp[-3].opval)),OP_RV2AV),
+					scalar((yyvsp[-1].opval)));;}
     break;
 
   case 97:
 #line 463 "perly.y"
-    { yyval.opval = newBINOP(OP_HELEM, 0, oopsHV(yyvsp[-4].opval), jmaybe(yyvsp[-2].opval));
+    { (yyval.opval) = newBINOP(OP_HELEM, 0, oopsHV((yyvsp[-4].opval)), jmaybe((yyvsp[-2].opval)));
 			    PL_expect = XOPERATOR; ;}
     break;
 
   case 98:
 #line 466 "perly.y"
-    { yyval.opval = newBINOP(OP_HELEM, 0,
-					ref(newHVREF(yyvsp[-5].opval),OP_RV2HV),
-					jmaybe(yyvsp[-2].opval));
+    { (yyval.opval) = newBINOP(OP_HELEM, 0,
+					ref(newHVREF((yyvsp[-5].opval)),OP_RV2HV),
+					jmaybe((yyvsp[-2].opval)));
 			    PL_expect = XOPERATOR; ;}
     break;
 
   case 99:
 #line 471 "perly.y"
-    { yyval.opval = newBINOP(OP_HELEM, 0,
-					ref(newHVREF(yyvsp[-4].opval),OP_RV2HV),
-					jmaybe(yyvsp[-2].opval));
+    { (yyval.opval) = newBINOP(OP_HELEM, 0,
+					ref(newHVREF((yyvsp[-4].opval)),OP_RV2HV),
+					jmaybe((yyvsp[-2].opval)));
 			    PL_expect = XOPERATOR; ;}
     break;
 
   case 100:
 #line 476 "perly.y"
-    { yyval.opval = newUNOP(OP_ENTERSUB, OPf_STACKED,
-				   newCVREF(0, scalar(yyvsp[-3].opval))); ;}
+    { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED,
+				   newCVREF(0, scalar((yyvsp[-3].opval)))); ;}
     break;
 
   case 101:
 #line 479 "perly.y"
-    { yyval.opval = newUNOP(OP_ENTERSUB, OPf_STACKED,
-				   append_elem(OP_LIST, yyvsp[-1].opval,
-				       newCVREF(0, scalar(yyvsp[-4].opval)))); ;}
+    { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED,
+				   append_elem(OP_LIST, (yyvsp[-1].opval),
+				       newCVREF(0, scalar((yyvsp[-4].opval))))); ;}
     break;
 
   case 102:
 #line 484 "perly.y"
-    { yyval.opval = newUNOP(OP_ENTERSUB, OPf_STACKED,
-				   append_elem(OP_LIST, yyvsp[-1].opval,
-					       newCVREF(0, scalar(yyvsp[-3].opval)))); ;}
+    { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED,
+				   append_elem(OP_LIST, (yyvsp[-1].opval),
+					       newCVREF(0, scalar((yyvsp[-3].opval))))); ;}
     break;
 
   case 103:
 #line 488 "perly.y"
-    { yyval.opval = newUNOP(OP_ENTERSUB, OPf_STACKED,
-				   newCVREF(0, scalar(yyvsp[-2].opval))); ;}
+    { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED,
+				   newCVREF(0, scalar((yyvsp[-2].opval)))); ;}
     break;
 
   case 104:
-#line 494 "perly.y"
-    { yyval.opval = newASSIGNOP(OPf_STACKED, yyvsp[-2].opval, yyvsp[-1].ival, yyvsp[0].opval); ;}
+#line 491 "perly.y"
+    { (yyval.opval) = newSLICEOP(0, (yyvsp[-1].opval), (yyvsp[-4].opval)); ;}
     break;
 
   case 105:
-#line 496 "perly.y"
-    { yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); ;}
+#line 493 "perly.y"
+    { (yyval.opval) = newSLICEOP(0, (yyvsp[-1].opval), Nullop); ;}
     break;
 
   case 106:
 #line 498 "perly.y"
-    {   if (yyvsp[-1].ival != OP_REPEAT)
-				scalar(yyvsp[-2].opval);
-			    yyval.opval = newBINOP(yyvsp[-1].ival, 0, yyvsp[-2].opval, scalar(yyvsp[0].opval)); ;}
+    { (yyval.opval) = newASSIGNOP(OPf_STACKED, (yyvsp[-2].opval), (yyvsp[-1].ival), (yyvsp[0].opval)); ;}
     break;
 
   case 107:
-#line 502 "perly.y"
-    { yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); ;}
+#line 500 "perly.y"
+    { (yyval.opval) = newBINOP((yyvsp[-1].ival), 0, scalar((yyvsp[-2].opval)), scalar((yyvsp[0].opval))); ;}
     break;
 
   case 108:
-#line 504 "perly.y"
-    { yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); ;}
+#line 502 "perly.y"
+    {   if ((yyvsp[-1].ival) != OP_REPEAT)
+				scalar((yyvsp[-2].opval));
+			    (yyval.opval) = newBINOP((yyvsp[-1].ival), 0, (yyvsp[-2].opval), scalar((yyvsp[0].opval))); ;}
     break;
 
   case 109:
 #line 506 "perly.y"
-    { yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); ;}
+    { (yyval.opval) = newBINOP((yyvsp[-1].ival), 0, scalar((yyvsp[-2].opval)), scalar((yyvsp[0].opval))); ;}
     break;
 
   case 110:
 #line 508 "perly.y"
-    { yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); ;}
+    { (yyval.opval) = newBINOP((yyvsp[-1].ival), 0, scalar((yyvsp[-2].opval)), scalar((yyvsp[0].opval))); ;}
     break;
 
   case 111:
 #line 510 "perly.y"
-    { yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); ;}
+    { (yyval.opval) = newBINOP((yyvsp[-1].ival), 0, scalar((yyvsp[-2].opval)), scalar((yyvsp[0].opval))); ;}
     break;
 
   case 112:
 #line 512 "perly.y"
-    { yyval.opval = newBINOP(yyvsp[-1].ival, 0, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval)); ;}
+    { (yyval.opval) = newBINOP((yyvsp[-1].ival), 0, scalar((yyvsp[-2].opval)), scalar((yyvsp[0].opval))); ;}
     break;
 
   case 113:
 #line 514 "perly.y"
-    { yyval.opval = newRANGE(yyvsp[-1].ival, scalar(yyvsp[-2].opval), scalar(yyvsp[0].opval));;}
+    { (yyval.opval) = newBINOP((yyvsp[-1].ival), 0, scalar((yyvsp[-2].opval)), scalar((yyvsp[0].opval))); ;}
     break;
 
   case 114:
 #line 516 "perly.y"
-    { yyval.opval = newLOGOP(OP_AND, 0, yyvsp[-2].opval, yyvsp[0].opval); ;}
+    { (yyval.opval) = newBINOP((yyvsp[-1].ival), 0, scalar((yyvsp[-2].opval)), scalar((yyvsp[0].opval))); ;}
     break;
 
   case 115:
 #line 518 "perly.y"
-    { yyval.opval = newLOGOP(OP_OR, 0, yyvsp[-2].opval, yyvsp[0].opval); ;}
+    { (yyval.opval) = newRANGE((yyvsp[-1].ival), scalar((yyvsp[-2].opval)), scalar((yyvsp[0].opval)));;}
     break;
 
   case 116:
 #line 520 "perly.y"
-    { yyval.opval = newLOGOP(OP_DOR, 0, yyvsp[-2].opval, yyvsp[0].opval); ;}
+    { (yyval.opval) = newLOGOP(OP_AND, 0, (yyvsp[-2].opval), (yyvsp[0].opval)); ;}
     break;
 
   case 117:
 #line 522 "perly.y"
-    { yyval.opval = bind_match(yyvsp[-1].ival, yyvsp[-2].opval, yyvsp[0].opval); ;}
+    { (yyval.opval) = newLOGOP(OP_OR, 0, (yyvsp[-2].opval), (yyvsp[0].opval)); ;}
     break;
 
   case 118:
-#line 527 "perly.y"
-    { yyval.opval = newUNOP(OP_NEGATE, 0, scalar(yyvsp[0].opval)); ;}
+#line 524 "perly.y"
+    { (yyval.opval) = newLOGOP(OP_DOR, 0, (yyvsp[-2].opval), (yyvsp[0].opval)); ;}
     break;
 
   case 119:
-#line 529 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+#line 526 "perly.y"
+    { (yyval.opval) = bind_match((yyvsp[-1].ival), (yyvsp[-2].opval), (yyvsp[0].opval)); ;}
     break;
 
   case 120:
 #line 531 "perly.y"
-    { yyval.opval = newUNOP(OP_NOT, 0, scalar(yyvsp[0].opval)); ;}
+    { (yyval.opval) = newUNOP(OP_NEGATE, 0, scalar((yyvsp[0].opval))); ;}
     break;
 
   case 121:
 #line 533 "perly.y"
-    { yyval.opval = newUNOP(OP_COMPLEMENT, 0, scalar(yyvsp[0].opval));;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 122:
 #line 535 "perly.y"
-    { yyval.opval = newUNOP(OP_POSTINC, 0,
-					mod(scalar(yyvsp[-1].opval), OP_POSTINC)); ;}
+    { (yyval.opval) = newUNOP(OP_NOT, 0, scalar((yyvsp[0].opval))); ;}
     break;
 
   case 123:
-#line 538 "perly.y"
-    { yyval.opval = newUNOP(OP_POSTDEC, 0,
-					mod(scalar(yyvsp[-1].opval), OP_POSTDEC)); ;}
+#line 537 "perly.y"
+    { (yyval.opval) = newUNOP(OP_COMPLEMENT, 0, scalar((yyvsp[0].opval)));;}
     break;
 
   case 124:
-#line 541 "perly.y"
-    { yyval.opval = newUNOP(OP_PREINC, 0,
-					mod(scalar(yyvsp[0].opval), OP_PREINC)); ;}
+#line 539 "perly.y"
+    { (yyval.opval) = newUNOP(OP_POSTINC, 0,
+					mod(scalar((yyvsp[-1].opval)), OP_POSTINC)); ;}
     break;
 
   case 125:
-#line 544 "perly.y"
-    { yyval.opval = newUNOP(OP_PREDEC, 0,
-					mod(scalar(yyvsp[0].opval), OP_PREDEC)); ;}
+#line 542 "perly.y"
+    { (yyval.opval) = newUNOP(OP_POSTDEC, 0,
+					mod(scalar((yyvsp[-1].opval)), OP_POSTDEC)); ;}
     break;
 
   case 126:
-#line 551 "perly.y"
-    { yyval.opval = newANONLIST(yyvsp[-1].opval); ;}
+#line 545 "perly.y"
+    { (yyval.opval) = newUNOP(OP_PREINC, 0,
+					mod(scalar((yyvsp[0].opval)), OP_PREINC)); ;}
     break;
 
   case 127:
-#line 553 "perly.y"
-    { yyval.opval = newANONLIST(Nullop); ;}
+#line 548 "perly.y"
+    { (yyval.opval) = newUNOP(OP_PREDEC, 0,
+					mod(scalar((yyvsp[0].opval)), OP_PREDEC)); ;}
     break;
 
   case 128:
 #line 555 "perly.y"
-    { yyval.opval = newANONHASH(yyvsp[-2].opval); ;}
+    { (yyval.opval) = newANONLIST((yyvsp[-1].opval)); ;}
     break;
 
   case 129:
 #line 557 "perly.y"
-    { yyval.opval = newANONHASH(Nullop); ;}
+    { (yyval.opval) = newANONLIST(Nullop); ;}
     break;
 
   case 130:
 #line 559 "perly.y"
-    { yyval.opval = newANONATTRSUB(yyvsp[-3].ival, yyvsp[-2].opval, yyvsp[-1].opval, yyvsp[0].opval); ;}
+    { (yyval.opval) = newANONHASH((yyvsp[-2].opval)); ;}
     break;
 
   case 131:
-#line 565 "perly.y"
-    { yyval.opval = dofile(yyvsp[0].opval); ;}
+#line 561 "perly.y"
+    { (yyval.opval) = newANONHASH(Nullop); ;}
     break;
 
   case 132:
-#line 567 "perly.y"
-    { yyval.opval = newUNOP(OP_NULL, OPf_SPECIAL, scope(yyvsp[0].opval)); ;}
+#line 563 "perly.y"
+    { (yyval.opval) = newANONATTRSUB((yyvsp[-3].ival), (yyvsp[-2].opval), (yyvsp[-1].opval), (yyvsp[0].opval)); ;}
     break;
 
   case 133:
 #line 569 "perly.y"
-    { yyval.opval = newUNOP(OP_ENTERSUB,
+    { (yyval.opval) = dofile((yyvsp[0].opval)); ;}
+    break;
+
+  case 134:
+#line 571 "perly.y"
+    { (yyval.opval) = newUNOP(OP_NULL, OPf_SPECIAL, scope((yyvsp[0].opval))); ;}
+    break;
+
+  case 135:
+#line 573 "perly.y"
+    { (yyval.opval) = newUNOP(OP_ENTERSUB,
 			    OPf_SPECIAL|OPf_STACKED,
 			    prepend_elem(OP_LIST,
 				scalar(newCVREF(
 				    (OPpENTERSUB_AMPER<<8),
-				    scalar(yyvsp[-2].opval)
+				    scalar((yyvsp[-2].opval))
 				)),Nullop)); dep();;}
     break;
 
-  case 134:
-#line 577 "perly.y"
-    { yyval.opval = newUNOP(OP_ENTERSUB,
+  case 136:
+#line 581 "perly.y"
+    { (yyval.opval) = newUNOP(OP_ENTERSUB,
 			    OPf_SPECIAL|OPf_STACKED,
 			    append_elem(OP_LIST,
-				yyvsp[-1].opval,
+				(yyvsp[-1].opval),
 				scalar(newCVREF(
 				    (OPpENTERSUB_AMPER<<8),
-				    scalar(yyvsp[-3].opval)
+				    scalar((yyvsp[-3].opval))
 				)))); dep();;}
     break;
 
-  case 135:
-#line 586 "perly.y"
-    { yyval.opval = newUNOP(OP_ENTERSUB, OPf_SPECIAL|OPf_STACKED,
-			    prepend_elem(OP_LIST,
-				scalar(newCVREF(0,scalar(yyvsp[-2].opval))), Nullop)); dep();;}
-    break;
-
-  case 136:
+  case 137:
 #line 590 "perly.y"
-    { yyval.opval = newUNOP(OP_ENTERSUB, OPf_SPECIAL|OPf_STACKED,
+    { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_SPECIAL|OPf_STACKED,
 			    prepend_elem(OP_LIST,
-				yyvsp[-1].opval,
-				scalar(newCVREF(0,scalar(yyvsp[-3].opval))))); dep();;}
-    break;
-
-  case 141:
-#line 602 "perly.y"
-    { yyval.opval = newCONDOP(0, yyvsp[-4].opval, yyvsp[-2].opval, yyvsp[0].opval); ;}
+				scalar(newCVREF(0,scalar((yyvsp[-2].opval)))), Nullop)); dep();;}
     break;
 
-  case 142:
-#line 604 "perly.y"
-    { yyval.opval = newUNOP(OP_REFGEN, 0, mod(yyvsp[0].opval,OP_REFGEN)); ;}
+  case 138:
+#line 594 "perly.y"
+    { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_SPECIAL|OPf_STACKED,
+			    prepend_elem(OP_LIST,
+				(yyvsp[-1].opval),
+				scalar(newCVREF(0,scalar((yyvsp[-3].opval)))))); dep();;}
     break;
 
   case 143:
 #line 606 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+    { (yyval.opval) = newCONDOP(0, (yyvsp[-4].opval), (yyvsp[-2].opval), (yyvsp[0].opval)); ;}
     break;
 
   case 144:
 #line 608 "perly.y"
-    { yyval.opval = localize(yyvsp[0].opval,yyvsp[-1].ival); ;}
+    { (yyval.opval) = newUNOP(OP_REFGEN, 0, mod((yyvsp[0].opval),OP_REFGEN)); ;}
     break;
 
   case 145:
 #line 610 "perly.y"
-    { yyval.opval = sawparens(yyvsp[-1].opval); ;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 146:
 #line 612 "perly.y"
-    { yyval.opval = sawparens(newNULLLIST()); ;}
+    { (yyval.opval) = localize((yyvsp[0].opval),(yyvsp[-1].ival)); ;}
     break;
 
   case 147:
 #line 614 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+    { (yyval.opval) = sawparens((yyvsp[-1].opval)); ;}
     break;
 
   case 148:
 #line 616 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+    { (yyval.opval) = sawparens(newNULLLIST()); ;}
     break;
 
   case 149:
 #line 618 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 150:
 #line 620 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 151:
 #line 622 "perly.y"
-    { yyval.opval = newUNOP(OP_AV2ARYLEN, 0, ref(yyvsp[0].opval, OP_AV2ARYLEN));;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 152:
 #line 624 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 153:
 #line 626 "perly.y"
-    { yyval.opval = newSLICEOP(0, yyvsp[-1].opval, yyvsp[-4].opval); ;}
+    { (yyval.opval) = newUNOP(OP_AV2ARYLEN, 0, ref((yyvsp[0].opval), OP_AV2ARYLEN));;}
     break;
 
   case 154:
 #line 628 "perly.y"
-    { yyval.opval = newSLICEOP(0, yyvsp[-1].opval, Nullop); ;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 155:
 #line 630 "perly.y"
-    { yyval.opval = prepend_elem(OP_ASLICE,
+    { (yyval.opval) = prepend_elem(OP_ASLICE,
 				newOP(OP_PUSHMARK, 0),
 				    newLISTOP(OP_ASLICE, 0,
-					list(yyvsp[-1].opval),
-					ref(yyvsp[-3].opval, OP_ASLICE))); ;}
+					list((yyvsp[-1].opval)),
+					ref((yyvsp[-3].opval), OP_ASLICE))); ;}
     break;
 
   case 156:
 #line 636 "perly.y"
-    { yyval.opval = prepend_elem(OP_HSLICE,
+    { (yyval.opval) = prepend_elem(OP_HSLICE,
 				newOP(OP_PUSHMARK, 0),
 				    newLISTOP(OP_HSLICE, 0,
-					list(yyvsp[-2].opval),
-					ref(oopsHV(yyvsp[-4].opval), OP_HSLICE)));
+					list((yyvsp[-2].opval)),
+					ref(oopsHV((yyvsp[-4].opval)), OP_HSLICE)));
 			    PL_expect = XOPERATOR; ;}
     break;
 
   case 157:
 #line 643 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 158:
 #line 645 "perly.y"
-    { yyval.opval = newUNOP(OP_ENTERSUB, 0, scalar(yyvsp[0].opval)); ;}
+    { (yyval.opval) = newUNOP(OP_ENTERSUB, 0, scalar((yyvsp[0].opval))); ;}
     break;
 
   case 159:
 #line 647 "perly.y"
-    { yyval.opval = newUNOP(OP_ENTERSUB, OPf_STACKED, scalar(yyvsp[-2].opval)); ;}
+    { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED, scalar((yyvsp[-2].opval))); ;}
     break;
 
   case 160:
 #line 649 "perly.y"
-    { yyval.opval = newUNOP(OP_ENTERSUB, OPf_STACKED,
-			    append_elem(OP_LIST, yyvsp[-1].opval, scalar(yyvsp[-3].opval))); ;}
+    { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED,
+			    append_elem(OP_LIST, (yyvsp[-1].opval), scalar((yyvsp[-3].opval)))); ;}
     break;
 
   case 161:
 #line 652 "perly.y"
-    { yyval.opval = newUNOP(OP_ENTERSUB, OPf_STACKED,
-			    append_elem(OP_LIST, yyvsp[0].opval, scalar(yyvsp[-1].opval))); ;}
+    { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED,
+			    append_elem(OP_LIST, (yyvsp[0].opval), scalar((yyvsp[-1].opval)))); ;}
     break;
 
   case 162:
 #line 655 "perly.y"
-    { yyval.opval = newOP(yyvsp[0].ival, OPf_SPECIAL);
+    { (yyval.opval) = newOP((yyvsp[0].ival), OPf_SPECIAL);
 			    PL_hints |= HINT_BLOCK_SCOPE; ;}
     break;
 
   case 163:
 #line 658 "perly.y"
-    { yyval.opval = newLOOPEX(yyvsp[-1].ival,yyvsp[0].opval); ;}
+    { (yyval.opval) = newLOOPEX((yyvsp[-1].ival),(yyvsp[0].opval)); ;}
     break;
 
   case 164:
 #line 660 "perly.y"
-    { yyval.opval = newUNOP(OP_NOT, 0, scalar(yyvsp[0].opval)); ;}
+    { (yyval.opval) = newUNOP(OP_NOT, 0, scalar((yyvsp[0].opval))); ;}
     break;
 
   case 165:
 #line 662 "perly.y"
-    { yyval.opval = newOP(yyvsp[0].ival, 0); ;}
+    { (yyval.opval) = newOP((yyvsp[0].ival), 0); ;}
     break;
 
   case 166:
 #line 664 "perly.y"
-    { yyval.opval = newUNOP(yyvsp[-1].ival, 0, yyvsp[0].opval); ;}
+    { (yyval.opval) = newUNOP((yyvsp[-1].ival), 0, (yyvsp[0].opval)); ;}
     break;
 
   case 167:
 #line 666 "perly.y"
-    { yyval.opval = newUNOP(yyvsp[-1].ival, 0, yyvsp[0].opval); ;}
+    { (yyval.opval) = newUNOP((yyvsp[-1].ival), 0, (yyvsp[0].opval)); ;}
     break;
 
   case 168:
 #line 668 "perly.y"
-    { yyval.opval = newUNOP(OP_ENTERSUB, OPf_STACKED,
-			    append_elem(OP_LIST, yyvsp[0].opval, scalar(yyvsp[-1].opval))); ;}
+    { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED,
+			    append_elem(OP_LIST, (yyvsp[0].opval), scalar((yyvsp[-1].opval)))); ;}
     break;
 
   case 169:
 #line 671 "perly.y"
-    { yyval.opval = newOP(yyvsp[0].ival, 0); ;}
+    { (yyval.opval) = newOP((yyvsp[0].ival), 0); ;}
     break;
 
   case 170:
 #line 673 "perly.y"
-    { yyval.opval = newOP(yyvsp[-2].ival, 0); ;}
+    { (yyval.opval) = newOP((yyvsp[-2].ival), 0); ;}
     break;
 
   case 171:
 #line 675 "perly.y"
-    { yyval.opval = newUNOP(OP_ENTERSUB, OPf_STACKED,
-				scalar(yyvsp[0].opval)); ;}
+    { (yyval.opval) = newUNOP(OP_ENTERSUB, OPf_STACKED,
+				scalar((yyvsp[0].opval))); ;}
     break;
 
   case 172:
 #line 678 "perly.y"
-    { yyval.opval = yyvsp[-2].ival == OP_NOT ? newUNOP(yyvsp[-2].ival, 0, newSVOP(OP_CONST, 0, newSViv(0)))
-					    : newOP(yyvsp[-2].ival, OPf_SPECIAL); ;}
+    { (yyval.opval) = (yyvsp[-2].ival) == OP_NOT ? newUNOP((yyvsp[-2].ival), 0, newSVOP(OP_CONST, 0, newSViv(0)))
+					    : newOP((yyvsp[-2].ival), OPf_SPECIAL); ;}
     break;
 
   case 173:
 #line 681 "perly.y"
-    { yyval.opval = newUNOP(yyvsp[-3].ival, 0, yyvsp[-1].opval); ;}
+    { (yyval.opval) = newUNOP((yyvsp[-3].ival), 0, (yyvsp[-1].opval)); ;}
     break;
 
   case 174:
 #line 683 "perly.y"
-    { yyval.opval = pmruntime(yyvsp[-3].opval, yyvsp[-1].opval, 1); ;}
+    { (yyval.opval) = pmruntime((yyvsp[-3].opval), (yyvsp[-1].opval), 1); ;}
     break;
 
   case 177:
 #line 690 "perly.y"
-    { yyval.opval = my_attrs(yyvsp[-1].opval,yyvsp[0].opval); ;}
+    { (yyval.opval) = my_attrs((yyvsp[-1].opval),(yyvsp[0].opval)); ;}
     break;
 
   case 178:
 #line 692 "perly.y"
-    { yyval.opval = localize(yyvsp[0].opval,yyvsp[-1].ival); ;}
+    { (yyval.opval) = localize((yyvsp[0].opval),(yyvsp[-1].ival)); ;}
     break;
 
   case 179:
 #line 697 "perly.y"
-    { yyval.opval = sawparens(yyvsp[-1].opval); ;}
+    { (yyval.opval) = sawparens((yyvsp[-1].opval)); ;}
     break;
 
   case 180:
 #line 699 "perly.y"
-    { yyval.opval = sawparens(newNULLLIST()); ;}
+    { (yyval.opval) = sawparens(newNULLLIST()); ;}
     break;
 
   case 181:
 #line 701 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 182:
 #line 703 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 183:
 #line 705 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 184:
 #line 710 "perly.y"
-    { yyval.opval = Nullop; ;}
+    { (yyval.opval) = Nullop; ;}
     break;
 
   case 185:
 #line 712 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 186:
 #line 716 "perly.y"
-    { yyval.opval = Nullop; ;}
+    { (yyval.opval) = Nullop; ;}
     break;
 
   case 187:
 #line 718 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
   case 188:
 #line 720 "perly.y"
-    { yyval.opval = yyvsp[-1].opval; ;}
+    { (yyval.opval) = (yyvsp[-1].opval); ;}
     break;
 
   case 189:
 #line 726 "perly.y"
-    { PL_in_my = 0; yyval.opval = my(yyvsp[0].opval); ;}
+    { PL_in_my = 0; (yyval.opval) = my((yyvsp[0].opval)); ;}
     break;
 
   case 190:
 #line 730 "perly.y"
-    { yyval.opval = newCVREF(yyvsp[-1].ival,yyvsp[0].opval); ;}
+    { (yyval.opval) = newCVREF((yyvsp[-1].ival),(yyvsp[0].opval)); ;}
     break;
 
   case 191:
 #line 734 "perly.y"
-    { yyval.opval = newSVREF(yyvsp[0].opval); ;}
+    { (yyval.opval) = newSVREF((yyvsp[0].opval)); ;}
     break;
 
   case 192:
 #line 738 "perly.y"
-    { yyval.opval = newAVREF(yyvsp[0].opval); ;}
+    { (yyval.opval) = newAVREF((yyvsp[0].opval)); ;}
     break;
 
   case 193:
 #line 742 "perly.y"
-    { yyval.opval = newHVREF(yyvsp[0].opval); ;}
+    { (yyval.opval) = newHVREF((yyvsp[0].opval)); ;}
     break;
 
   case 194:
 #line 746 "perly.y"
-    { yyval.opval = newAVREF(yyvsp[0].opval); ;}
+    { (yyval.opval) = newAVREF((yyvsp[0].opval)); ;}
     break;
 
   case 195:
 #line 750 "perly.y"
-    { yyval.opval = newGVREF(0,yyvsp[0].opval); ;}
+    { (yyval.opval) = newGVREF(0,(yyvsp[0].opval)); ;}
     break;
 
   case 196:
 #line 755 "perly.y"
-    { yyval.opval = scalar(yyvsp[0].opval); ;}
+    { (yyval.opval) = scalar((yyvsp[0].opval)); ;}
     break;
 
   case 197:
 #line 757 "perly.y"
-    { yyval.opval = scalar(yyvsp[0].opval);  ;}
+    { (yyval.opval) = scalar((yyvsp[0].opval));  ;}
     break;
 
   case 198:
 #line 759 "perly.y"
-    { yyval.opval = scope(yyvsp[0].opval); ;}
+    { (yyval.opval) = scope((yyvsp[0].opval)); ;}
     break;
 
   case 199:
 #line 762 "perly.y"
-    { yyval.opval = yyvsp[0].opval; ;}
+    { (yyval.opval) = (yyvsp[0].opval); ;}
     break;
 
 
diff --git a/perly.h b/perly.h
index 466c9cced2..32c0f325c8 100644
--- a/perly.h
+++ b/perly.h
@@ -1,8 +1,8 @@
 #ifdef PERL_CORE
-/* A Bison parser, made by GNU Bison 1.875c.  */
+/* A Bison parser, made by GNU Bison 2.0.  */
 
 /* Skeleton parser for Yacc-like parsing with Bison,
-   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -171,7 +171,7 @@ typedef union YYSTYPE {
     OP *opval;
     GV *gvval;
 } YYSTYPE;
-/* Line 1275 of yacc.c.  */
+/* Line 1318 of yacc.c.  */
 #line 174 "perly.h"
 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
 # define YYSTYPE_IS_DECLARED 1
diff --git a/perly.tab b/perly.tab
index f4e4c6f656..77eb10b8aa 100644
--- a/perly.tab
+++ b/perly.tab
@@ -59,7 +59,7 @@ static const unsigned char yytranslate[] =
 #if YYDEBUG
 /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
    YYRHS.  */
-static const unsigned short yyprhs[] =
+static const unsigned short int yyprhs[] =
 {
        0,     0,     3,     6,    11,    12,    13,    18,    19,    20,
       21,    24,    28,    31,    33,    36,    40,    42,    44,    48,
@@ -71,12 +71,12 @@ static const unsigned short yyprhs[] =
      233,   235,   239,   240,   248,   252,   256,   260,   262,   265,
      269,   271,   275,   281,   288,   292,   296,   302,   305,   310,
      311,   317,   319,   321,   327,   332,   338,   343,   349,   356,
-     362,   367,   373,   378,   382,   386,   390,   394,   398,   402,
-     406,   410,   414,   418,   422,   426,   430,   434,   438,   441,
-     444,   447,   450,   453,   456,   459,   462,   466,   469,   474,
-     478,   484,   487,   490,   495,   501,   506,   512,   514,   516,
-     518,   520,   526,   529,   531,   534,   538,   541,   543,   545,
-     547,   549,   551,   553,   560,   566,   571,   577,   579,   581,
+     362,   367,   373,   378,   382,   389,   395,   399,   403,   407,
+     411,   415,   419,   423,   427,   431,   435,   439,   443,   447,
+     451,   454,   457,   460,   463,   466,   469,   472,   475,   479,
+     482,   487,   491,   497,   500,   503,   508,   514,   519,   525,
+     527,   529,   531,   533,   539,   542,   544,   547,   551,   554,
+     556,   558,   560,   562,   564,   566,   571,   577,   579,   581,
      585,   590,   594,   596,   599,   602,   604,   607,   610,   613,
      615,   619,   621,   625,   630,   635,   637,   639,   643,   646,
      650,   653,   655,   657,   659,   660,   662,   663,   665,   668,
@@ -84,7 +84,7 @@ static const unsigned short yyprhs[] =
 };
 
 /* YYRHS -- A `-1'-separated list of the rules' RHS. */
-static const short yyrhs[] =
+static const short int yyrhs[] =
 {
       86,     0,    -1,    89,    93,    -1,     3,    88,    93,    76,
       -1,    -1,    -1,     3,    91,    93,    76,    -1,    -1,    -1,
@@ -124,25 +124,25 @@ static const short yyrhs[] =
       72,     3,   124,    77,    76,    -1,   129,     3,   124,    77,
       76,    -1,   134,    72,    74,    73,    -1,   134,    72,    74,
      124,    73,    -1,   129,    74,   124,    73,    -1,   129,    74,
-      73,    -1,   134,    53,   134,    -1,   134,    67,   134,    -1,
-     134,    36,   134,    -1,   134,    37,   134,    -1,   134,    61,
-     134,    -1,   134,    34,   134,    -1,   134,    35,   134,    -1,
-     134,    60,   134,    -1,   134,    59,   134,    -1,   134,    28,
-     134,    -1,   134,    58,   134,    -1,   134,    57,   134,    -1,
-     134,    56,   134,    -1,   134,    62,   134,    -1,    79,   134,
-      -1,    80,   134,    -1,    63,   134,    -1,    64,   134,    -1,
-     134,    69,    -1,   134,    68,    -1,    71,   134,    -1,    70,
-     134,    -1,    75,   124,    78,    -1,    75,    78,    -1,    40,
-     124,    77,    76,    -1,    40,    77,    76,    -1,    16,   114,
-     117,   118,    87,    -1,    39,   134,    -1,    39,    87,    -1,
-      39,     4,    74,    73,    -1,    39,     4,    74,   124,    73,
-      -1,    39,   141,    74,    73,    -1,    39,   141,    74,   124,
-      73,    -1,   130,    -1,   131,    -1,   132,    -1,   133,    -1,
-     134,    54,   134,    55,   134,    -1,    65,   134,    -1,   135,
-      -1,    42,   134,    -1,    74,   124,    73,    -1,    74,    73,
-      -1,   141,    -1,   145,    -1,   143,    -1,   142,    -1,   144,
-      -1,   129,    -1,    74,   124,    73,    75,   124,    78,    -1,
-      74,    73,    75,   124,    78,    -1,   142,    75,   124,    78,
+      73,    -1,    74,   124,    73,    75,   124,    78,    -1,    74,
+      73,    75,   124,    78,    -1,   134,    53,   134,    -1,   134,
+      67,   134,    -1,   134,    36,   134,    -1,   134,    37,   134,
+      -1,   134,    61,   134,    -1,   134,    34,   134,    -1,   134,
+      35,   134,    -1,   134,    60,   134,    -1,   134,    59,   134,
+      -1,   134,    28,   134,    -1,   134,    58,   134,    -1,   134,
+      57,   134,    -1,   134,    56,   134,    -1,   134,    62,   134,
+      -1,    79,   134,    -1,    80,   134,    -1,    63,   134,    -1,
+      64,   134,    -1,   134,    69,    -1,   134,    68,    -1,    71,
+     134,    -1,    70,   134,    -1,    75,   124,    78,    -1,    75,
+      78,    -1,    40,   124,    77,    76,    -1,    40,    77,    76,
+      -1,    16,   114,   117,   118,    87,    -1,    39,   134,    -1,
+      39,    87,    -1,    39,     4,    74,    73,    -1,    39,     4,
+      74,   124,    73,    -1,    39,   141,    74,    73,    -1,    39,
+     141,    74,   124,    73,    -1,   130,    -1,   131,    -1,   132,
+      -1,   133,    -1,   134,    54,   134,    55,   134,    -1,    65,
+     134,    -1,   135,    -1,    42,   134,    -1,    74,   124,    73,
+      -1,    74,    73,    -1,   141,    -1,   145,    -1,   143,    -1,
+     142,    -1,   144,    -1,   129,    -1,   142,    75,   124,    78,
       -1,   142,     3,   124,    77,    76,    -1,     7,    -1,   140,
       -1,   140,    74,    73,    -1,   140,    74,   124,    73,    -1,
       41,     4,   137,    -1,    27,    -1,    27,   134,    -1,    51,
@@ -159,7 +159,7 @@ static const short yyrhs[] =
 };
 
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
-static const unsigned short yyrline[] =
+static const unsigned short int yyrline[] =
 {
        0,    95,    95,   101,   108,   112,   118,   125,   129,   133,
      134,   136,   145,   147,   148,   157,   163,   165,   167,   169,
@@ -171,11 +171,11 @@ static const unsigned short yyrline[] =
      372,   375,   380,   379,   386,   388,   390,   392,   396,   398,
      400,   404,   407,   410,   415,   419,   424,   429,   431,   434,
      433,   442,   443,   447,   452,   454,   458,   462,   465,   470,
-     475,   478,   483,   487,   493,   495,   497,   501,   503,   505,
-     507,   509,   511,   513,   515,   517,   519,   521,   526,   528,
-     530,   532,   534,   537,   540,   543,   550,   552,   554,   556,
-     558,   564,   566,   568,   576,   585,   589,   597,   598,   599,
-     600,   601,   603,   605,   607,   609,   611,   613,   615,   617,
+     475,   478,   483,   487,   490,   492,   497,   499,   501,   505,
+     507,   509,   511,   513,   515,   517,   519,   521,   523,   525,
+     530,   532,   534,   536,   538,   541,   544,   547,   554,   556,
+     558,   560,   562,   568,   570,   572,   580,   589,   593,   601,
+     602,   603,   604,   605,   607,   609,   611,   613,   615,   617,
      619,   621,   623,   625,   627,   629,   635,   642,   644,   646,
      648,   651,   654,   657,   659,   661,   663,   665,   667,   670,
      672,   674,   677,   680,   682,   684,   685,   689,   691,   696,
@@ -216,7 +216,7 @@ static const char *const yytname[] =
 # ifdef YYPRINT
 /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
    token YYLEX-NUM.  */
-static const unsigned short yytoknum[] =
+static const unsigned short int yytoknum[] =
 {
        0,   256,   257,   123,   258,   259,   260,   261,   262,   263,
      264,   265,   266,   267,   268,   269,   270,   271,   272,   273,
@@ -243,10 +243,10 @@ static const unsigned char yyr1[] =
      120,   121,   123,   122,   124,   124,   124,   124,   125,   125,
      125,   126,   126,   126,   126,   126,   126,   126,   126,   127,
      126,   128,   128,   129,   129,   129,   129,   129,   129,   129,
-     129,   129,   129,   129,   130,   130,   130,   130,   130,   130,
-     130,   130,   130,   130,   130,   130,   130,   130,   131,   131,
-     131,   131,   131,   131,   131,   131,   132,   132,   132,   132,
-     132,   133,   133,   133,   133,   133,   133,   134,   134,   134,
+     129,   129,   129,   129,   129,   129,   130,   130,   130,   130,
+     130,   130,   130,   130,   130,   130,   130,   130,   130,   130,
+     131,   131,   131,   131,   131,   131,   131,   131,   132,   132,
+     132,   132,   132,   133,   133,   133,   133,   133,   133,   134,
      134,   134,   134,   134,   134,   134,   134,   134,   134,   134,
      134,   134,   134,   134,   134,   134,   134,   134,   134,   134,
      134,   134,   134,   134,   134,   134,   134,   134,   134,   134,
@@ -268,12 +268,12 @@ static const unsigned char yyr2[] =
        1,     3,     0,     7,     3,     3,     3,     1,     2,     3,
        1,     3,     5,     6,     3,     3,     5,     2,     4,     0,
        5,     1,     1,     5,     4,     5,     4,     5,     6,     5,
-       4,     5,     4,     3,     3,     3,     3,     3,     3,     3,
-       3,     3,     3,     3,     3,     3,     3,     3,     2,     2,
-       2,     2,     2,     2,     2,     2,     3,     2,     4,     3,
-       5,     2,     2,     4,     5,     4,     5,     1,     1,     1,
-       1,     5,     2,     1,     2,     3,     2,     1,     1,     1,
-       1,     1,     1,     6,     5,     4,     5,     1,     1,     3,
+       4,     5,     4,     3,     6,     5,     3,     3,     3,     3,
+       3,     3,     3,     3,     3,     3,     3,     3,     3,     3,
+       2,     2,     2,     2,     2,     2,     2,     2,     3,     2,
+       4,     3,     5,     2,     2,     4,     5,     4,     5,     1,
+       1,     1,     1,     5,     2,     1,     2,     3,     2,     1,
+       1,     1,     1,     1,     1,     4,     5,     1,     1,     3,
        4,     3,     1,     2,     2,     1,     2,     2,     2,     1,
        3,     1,     3,     4,     4,     1,     1,     3,     2,     3,
        2,     1,     1,     1,     0,     1,     0,     1,     2,     1,
@@ -293,42 +293,42 @@ static const unsigned char yydefact[] =
      169,     0,     0,   165,   184,     0,     0,     0,     0,     0,
        0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
       14,     0,     0,     0,     0,     0,     0,    28,     0,    12,
-      17,    77,   176,   152,   137,   138,   139,   140,    80,   143,
-     158,   147,   150,   149,   151,   148,    53,    63,    64,     0,
+      17,    77,   176,   154,   139,   140,   141,   142,    80,   145,
+     158,   149,   152,   151,   153,   150,    53,    63,    64,     0,
       64,     9,   196,   199,   198,   197,   184,     0,     0,   168,
        0,    62,     4,     4,     4,     4,     4,     4,     0,   163,
        0,     0,   186,   166,   167,   196,   185,    87,   197,     0,
-     194,   175,   132,   131,   147,     0,     0,   184,   144,     0,
-     178,   181,   183,   182,   190,   164,   120,   121,   142,   125,
-     124,   146,     0,   127,     0,   118,   119,   191,   192,   193,
+     194,   175,   134,   133,   149,     0,     0,   184,   146,     0,
+     178,   181,   183,   182,   190,   164,   122,   123,   144,   127,
+     126,   148,     0,   129,     0,   120,   121,   191,   192,   193,
      195,     0,    36,    15,     0,     0,     0,     0,     0,     0,
        0,     0,    78,     0,     0,     0,     0,     0,     0,     0,
        0,     0,     0,     0,     0,     0,     0,     0,     0,     0,
-       0,   123,   122,     0,     0,     0,     0,     0,     0,     0,
+       0,   125,   124,     0,     0,     0,     0,     0,     0,     0,
       66,     0,   184,     0,     8,    85,   186,     0,    89,    64,
       40,     0,     0,     0,     0,     0,     4,   170,   172,     0,
-     187,     0,     0,    81,     0,     0,   129,     0,   161,   180,
-       0,    68,   177,     0,   145,   126,    29,    20,    21,    42,
+     187,     0,     0,    81,     0,     0,   131,     0,   161,   180,
+       0,    68,   177,     0,   147,   128,    29,    20,    21,    42,
       18,    19,    22,    76,    75,    74,    79,     0,   103,     0,
-       0,   113,   109,   110,   106,   107,   104,     0,   116,   115,
-     114,   112,   111,   108,   117,   105,     0,    91,     0,     0,
+       0,   115,   111,   112,   108,   109,   106,     0,   118,   117,
+     116,   114,   113,   110,   119,   107,     0,    91,     0,     0,
       84,    92,   159,     0,     0,     0,     0,     0,     0,    65,
       70,    69,    57,     0,    56,     3,     0,   174,   184,     0,
        0,    41,     0,     0,    43,    45,     0,     0,   189,    39,
-      44,     0,     0,    17,     0,   173,   188,    88,     0,   133,
-       0,   135,     0,   128,   179,    67,     0,     0,     0,   102,
+      44,     0,     0,    17,     0,   173,   188,    88,     0,   135,
+       0,   137,     0,   130,   179,    67,     0,     0,     0,   102,
       96,     0,     0,   100,     0,     0,   186,   160,     0,    94,
-       0,   155,     0,    73,    86,    90,   130,    37,    37,     0,
-       0,     0,     0,    40,     0,    82,   134,   136,   154,     0,
-      99,   141,     0,   101,    95,     0,    97,   156,    93,     0,
-       0,     7,    23,    23,     0,    28,     0,     0,   153,    98,
+       0,   155,     0,    73,    86,    90,   132,    37,    37,     0,
+       0,     0,     0,    40,     0,    82,   136,   138,   105,     0,
+      99,   143,     0,   101,    95,     0,    97,   156,    93,     0,
+       0,     7,    23,    23,     0,    28,     0,     0,   104,    98,
       83,    28,    28,     9,     0,     0,    26,    27,     0,    34,
       37,    28,    30,    31,     8,    24,     0,    28,     0,    33,
        6,     0,    32,     0,     0,     0,    23,    35,    25
 };
 
 /* YYDEFGOTO[NTERM-NUM]. */
-static const short yydefgoto[] =
+static const short int yydefgoto[] =
 {
       -1,     1,   104,   101,     2,   362,   373,    10,     4,    23,
      299,   376,    79,   162,    24,   359,   300,   290,   238,   293,
@@ -342,7 +342,7 @@ static const short yydefgoto[] =
 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
    STATE-NUM.  */
 #define YYPACT_NINF -344
-static const short yypact[] =
+static const short int yypact[] =
 {
     -344,    25,  -344,  -344,   238,  -344,  -344,    55,  -344,  -344,
       66,  -344,  -344,  -344,  -344,  -344,  -344,    86,   107,    38,
@@ -387,7 +387,7 @@ static const short yypact[] =
 };
 
 /* YYPGOTO[NTERM-NUM].  */
-static const short yypgoto[] =
+static const short int yypgoto[] =
 {
     -344,  -344,   -23,   -98,  -344,  1424,  -344,  -344,  -100,  -344,
      402,  -343,  -344,  -189,  -344,  -326,  -344,    89,  -182,  -209,
@@ -403,7 +403,7 @@ static const short yypgoto[] =
    number is the opposite.  If zero, do what YYDEFACT says.
    If YYTABLE_NINF, syntax error.  */
 #define YYTABLE_NINF -176
-static const short yytable[] =
+static const short int yytable[] =
 {
       80,   204,    77,   126,    96,   286,   301,   205,   203,    34,
      100,   145,   360,   195,   210,   211,   212,   213,   214,   215,
@@ -571,12 +571,12 @@ static const short yytable[] =
        0,     0,     0,     0,     0,     0,     0,     0,    63,    64,
       65,     0,     0,     0,   195,    66,    67,     0,     0,    68,
       69,     0,     0,     0,    71,    72,    73,    74,    75,    76,
-    -147,  -147,  -147,  -147,     0,     0,     0,  -147,     0,  -147,
-       0,     0,     0,     0,     0,  -147,  -147,  -147,  -147,     0,
-       0,     0,     0,     0,     0,     0,     0,     0,     0,  -147,
-    -147,  -147,     0,  -147,  -147,  -147,  -147,  -147,  -147,  -147,
-    -147,  -147,  -147,  -147,     0,     0,     0,     0,  -147,  -147,
-    -147,     0,     0,  -147,  -147,     0,   196,     0,  -147,  -147,
+    -149,  -149,  -149,  -149,     0,     0,     0,  -149,     0,  -149,
+       0,     0,     0,     0,     0,  -149,  -149,  -149,  -149,     0,
+       0,     0,     0,     0,     0,     0,     0,     0,     0,  -149,
+    -149,  -149,     0,  -149,  -149,  -149,  -149,  -149,  -149,  -149,
+    -149,  -149,  -149,  -149,     0,     0,     0,     0,  -149,  -149,
+    -149,     0,     0,  -149,  -149,     0,   196,     0,  -149,  -149,
     -175,  -175,  -175,  -175,     0,     0,     0,  -175,     0,  -175,
        0,     0,     0,     0,     0,  -175,  -175,  -175,  -175,     0,
        0,     0,     0,     0,     0,     0,     0,     0,     0,  -175,
@@ -604,7 +604,7 @@ static const short yytable[] =
        0,   190,   191,   192,     0,     0,   193
 };
 
-static const short yycheck[] =
+static const short int yycheck[] =
 {
       25,   101,    25,    54,    27,   206,   215,   106,   100,     3,
       32,    62,   338,     3,   112,   113,   114,   115,   116,   117,
diff --git a/perly.y b/perly.y
index 16ba650bc1..2e218624c2 100644
--- a/perly.y
+++ b/perly.y
@@ -487,6 +487,10 @@ subscripted:    star '{' expr ';' '}'        /* *main::{something} */
 	|	subscripted '(' ')'        /* $foo->{bar}->() */
 			{ $$ = newUNOP(OP_ENTERSUB, OPf_STACKED,
 				   newCVREF(0, scalar($1))); }
+	|	'(' expr ')' '[' expr ']'            /* list slice */
+			{ $$ = newSLICEOP(0, $5, $2); }
+	|	'(' ')' '[' expr ']'                 /* empty list slice! */
+			{ $$ = newSLICEOP(0, $4, Nullop); }
     ;
 
 /* Binary operators between terms */
@@ -622,10 +626,6 @@ term	:	termbinop
 			{ $$ = newUNOP(OP_AV2ARYLEN, 0, ref($1, OP_AV2ARYLEN));}
 	|       subscripted
 			{ $$ = $1; }
-	|	'(' expr ')' '[' expr ']'            /* list slice */
-			{ $$ = newSLICEOP(0, $5, $2); }
-	|	'(' ')' '[' expr ']'                 /* empty list slice! */
-			{ $$ = newSLICEOP(0, $4, Nullop); }
 	|	ary '[' expr ']'                     /* array slice */
 			{ $$ = prepend_elem(OP_ASLICE,
 				newOP(OP_PUSHMARK, 0),
diff --git a/t/op/ref.t b/t/op/ref.t
index 53f3facac5..81a6543c34 100755
--- a/t/op/ref.t
+++ b/t/op/ref.t
@@ -8,7 +8,7 @@ BEGIN {
 require 'test.pl';
 use strict qw(refs subs);
 
-plan (89);
+plan (96);
 
 # Test glob operations.
 
@@ -425,6 +425,23 @@ TODO: {
 	'Accessing via a different NUL-containing name gives nothing');
 }
 
+# test derefs after list slice
+
+is ( ({foo => "bar"})[0]{foo}, "bar", 'hash deref from list slice w/o ->' );
+is ( ({foo => "bar"})[0]->{foo}, "bar", 'hash deref from list slice w/ ->' );
+is ( ([qw/foo bar/])[0][1], "bar", 'array deref from list slice w/o ->' );
+is ( ([qw/foo bar/])[0]->[1], "bar", 'array deref from list slice w/ ->' );
+is ( (sub {"bar"})[0](), "bar", 'code deref from list slice w/o ->' );
+is ( (sub {"bar"})[0]->(), "bar", 'code deref from list slice w/ ->' );
+
+# deref on empty list shouldn't autovivify
+{
+    local $@;
+    eval { ()[0]{foo} };
+    like ( "$@", "Can't use an undefined value as a HASH reference",
+           "deref of undef from list slice fails" );
+}
+
 # Bit of a hack to make test.pl happy. There are 3 more tests after it leaves.
 $test = curr_test();
 curr_test($test + 3);