Revert change #15705 (Core dump in 'leavetry')

This fixes bug #34682, reintroduces bug #8738 (ID 20020301.011),
and reintroduces an eval optimisation for innter runops levels
p4raw-link: @15705 on //depot/perl: 8bffa5f8f4dd0cd203052722c9fcfd899f51d033

p4raw-id: //depot/perl@24362

1 files changed, 2 insertions, 18 deletions

diff --git a/pp_ctl.c b/pp_ctl.c
index 783a59a7b5..ea83d1805b 100644
--- a/pp_ctl.c
+++ b/pp_ctl.c
@@ -2681,7 +2681,6 @@ S_docatch(pTHX_ OP *o)
 {
     int ret;
     OP * const oldop = PL_op;
-    OP *retop;
     volatile PERL_SI *cursi = PL_curstackinfo;
     dJMPENV;
 
@@ -2690,16 +2689,6 @@ S_docatch(pTHX_ OP *o)
 #endif
     PL_op = o;
 
-    /* Normally, the leavetry at the end of this block of ops will
-     * pop an op off the return stack and continue there. By setting
-     * the op to Nullop, we force an exit from the inner runops()
-     * loop. DAPM.
-     */
-    assert(cxstack_ix >= 0);
-    assert(CxTYPE(&cxstack[cxstack_ix]) == CXt_EVAL);
-    retop = cxstack[cxstack_ix].blk_eval.retop;
-    cxstack[cxstack_ix].blk_eval.retop = Nullop;
-
     JMPENV_PUSH(ret);
     switch (ret) {
     case 0:
@@ -2713,9 +2702,6 @@ S_docatch(pTHX_ OP *o)
 	    PL_restartop = 0;
 	    goto redo_body;
 	}
-	/* a die in this eval - continue in outer loop */
-	if (!PL_restartop)
-	    break;
 	/* FALL THROUGH */
     default:
 	JMPENV_POP;
@@ -2725,7 +2711,7 @@ S_docatch(pTHX_ OP *o)
     }
     JMPENV_POP;
     PL_op = oldop;
-    return retop;
+    return Nullop;
 }
 
 OP *
@@ -3555,14 +3541,12 @@ PP(pp_leavetry)
     register SV **mark;
     SV **newsp;
     PMOP *newpm;
-    OP* retop;
     I32 gimme;
     register PERL_CONTEXT *cx;
     I32 optype;
 
     POPBLOCK(cx,newpm);
     POPEVAL(cx);
-    retop = cx->blk_eval.retop;
 
     TAINT_NOT;
     if (gimme == G_VOID)
@@ -3594,7 +3578,7 @@ PP(pp_leavetry)
 
     LEAVE;
     sv_setpv(ERRSV,"");
-    RETURNOP(retop);
+    RETURN;
 }
 
 STATIC OP *