GvUNIQUE* have been defined as 0 since 2005/06/30 - high time to remove them.

8 files changed, 1 insertions, 66 deletions

diff --git a/dump.c b/dump.c
index 724baf8bd3..edcfc46675 100644
--- a/dump.c
+++ b/dump.c
@@ -1492,7 +1492,6 @@ Perl_do_sv_dump(pTHX_ I32 level, PerlIO *file, SV *sv, I32 nest, I32 maxnest, bo
 	if (isGV_with_GP(sv)) {
 	    if (GvINTRO(sv))	sv_catpv(d, "INTRO,");
 	    if (GvMULTI(sv))	sv_catpv(d, "MULTI,");
-	    if (GvUNIQUE(sv))   sv_catpv(d, "UNIQUE,");
 	    if (GvASSUMECV(sv))	sv_catpv(d, "ASSUMECV,");
 	    if (GvIN_PAD(sv))   sv_catpv(d, "IN_PAD,");
 	}
diff --git a/ext/attributes/attributes.xs b/ext/attributes/attributes.xs
index 7a86cd76c1..f7eb6e0505 100644
--- a/ext/attributes/attributes.xs
+++ b/ext/attributes/attributes.xs
@@ -131,12 +131,6 @@ usage:
 	    XPUSHs(newSVpvs_flags("lvalue", SVs_TEMP));
 	if (cvflags & CVf_METHOD)
 	    XPUSHs(newSVpvs_flags("method", SVs_TEMP));
-        if (GvUNIQUE(CvGV((const CV *)sv)))
-	    XPUSHs(newSVpvs_flags("unique", SVs_TEMP));
-	break;
-    case SVt_PVGV:
-	if (isGV_with_GP(sv) && GvUNIQUE(sv))
-	    XPUSHs(newSVpvs_flags("unique", SVs_TEMP));
 	break;
     default:
 	break;
diff --git a/gv.c b/gv.c
index 07f2ff94e2..c22f73aa65 100644
--- a/gv.c
+++ b/gv.c
@@ -103,11 +103,6 @@ Perl_gv_IOadd(pTHX_ register GV *gv)
     }
 
     if (!GvIOp(gv)) {
-#ifdef GV_UNIQUE_CHECK
-        if (GvUNIQUE(gv)) {
-            Perl_croak(aTHX_ "Bad symbol for filehandle (GV is unique)");
-        }
-#endif
 	GvIOp(gv) = newIO();
     }
     return gv;
diff --git a/gv.h b/gv.h
index 85b03800f5..b58d235711 100644
--- a/gv.h
+++ b/gv.h
@@ -166,16 +166,6 @@ Return the SV from the GV.
 #define GvIN_PAD_on(gv)		(GvFLAGS(gv) |= GVf_IN_PAD)
 #define GvIN_PAD_off(gv)	(GvFLAGS(gv) &= ~GVf_IN_PAD)
 
-#define GvUNIQUE(gv)            0
-#define GvUNIQUE_on(gv)         NOOP
-#define GvUNIQUE_off(gv)        NOOP
-
-#ifdef USE_ITHREADS
-#define GV_UNIQUE_CHECK
-#else
-#undef  GV_UNIQUE_CHECK
-#endif
-
 #ifndef PERL_CORE
 #  define Nullgv Null(GV*)
 #endif
diff --git a/op.c b/op.c
index 89ed5227da..be98c3f041 100644
--- a/op.c
+++ b/op.c
@@ -5588,12 +5588,6 @@ Perl_newATTRSUB(pTHX_ I32 floor, OP *o, OP *proto, OP *attrs, OP *block)
 
     cv = (!name || GvCVGEN(gv)) ? NULL : GvCV(gv);
 
-#ifdef GV_UNIQUE_CHECK
-    if (cv && GvUNIQUE(gv) && SvREADONLY(cv)) {
-        Perl_croak(aTHX_ "Can't define subroutine %s (GV is unique)", name);
-    }
-#endif
-
     if (!block || !ps || *ps || attrs
 	|| (CvFLAGS(PL_compcv) & CVf_BUILTIN_ATTRS)
 #ifdef PERL_MAD
@@ -5607,12 +5601,6 @@ Perl_newATTRSUB(pTHX_ I32 floor, OP *o, OP *proto, OP *attrs, OP *block)
     if (cv) {
         const bool exists = CvROOT(cv) || CvXSUB(cv);
 
-#ifdef GV_UNIQUE_CHECK
-        if (exists && GvUNIQUE(gv)) {
-            Perl_croak(aTHX_ "Can't redefine unique subroutine %s", name);
-        }
-#endif
-
         /* if the subroutine doesn't exist and wasn't pre-declared
          * with a prototype, assume it will be AUTOLOADed,
          * skipping the prototype check
@@ -6155,11 +6143,6 @@ Perl_newFORM(pTHX_ I32 floor, OP *o, OP *block)
 	? gv_fetchsv(cSVOPo->op_sv, GV_ADD, SVt_PVFM)
 	: gv_fetchpvs("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVFM);
 
-#ifdef GV_UNIQUE_CHECK
-    if (GvUNIQUE(gv)) {
-        Perl_croak(aTHX_ "Bad symbol for form (GV is unique)");
-    }
-#endif
     GvMULTI_on(gv);
     if ((cv = GvFORM(gv))) {
 	if (ckWARN(WARN_REDEFINE)) {
diff --git a/pp_sys.c b/pp_sys.c
index 28407e0716..01793236db 100644
--- a/pp_sys.c
+++ b/pp_sys.c
@@ -804,11 +804,6 @@ PP(pp_tie)
 	    break;
 	case SVt_PVGV:
 	    if (isGV_with_GP(varsv)) {
-#ifdef GV_UNIQUE_CHECK
-		if (GvUNIQUE((const GV *)varsv)) {
-		    Perl_croak(aTHX_ "Attempt to tie unique GV");
-		}
-#endif
 		methname = "TIEHANDLE";
 		how = PERL_MAGIC_tiedscalar;
 		/* For tied filehandles, we apply tiedscalar magic to the IO
diff --git a/sv.c b/sv.c
index 12ca453eb9..68caa6d6aa 100644
--- a/sv.c
+++ b/sv.c
@@ -3621,12 +3621,6 @@ S_glob_assign_glob(pTHX_ SV *const dstr, SV *const sstr, const int dtype)
 	SvFAKE_on(dstr);	/* can coerce to non-glob */
     }
 
-#ifdef GV_UNIQUE_CHECK
-    if (GvUNIQUE((const GV *)dstr)) {
-	Perl_croak(aTHX_ "%s", PL_no_modify);
-    }
-#endif
-
     if(GvGP(MUTABLE_GV(sstr))) {
         /* If source has method cache entry, clear it */
         if(GvCVGEN(sstr)) {
@@ -3680,12 +3674,6 @@ S_glob_assign_ref(pTHX_ SV *const dstr, SV *const sstr)
 
     PERL_ARGS_ASSERT_GLOB_ASSIGN_REF;
 
-#ifdef GV_UNIQUE_CHECK
-    if (GvUNIQUE((const GV *)dstr)) {
-	Perl_croak(aTHX_ "%s", PL_no_modify);
-    }
-#endif
-
     if (intro) {
 	GvINTRO_off(dstr);	/* one-shot flag */
 	GvLINE(dstr) = CopLINE(PL_curcop);
@@ -10909,9 +10897,6 @@ Perl_sv_dup(pTHX_ const SV *const sstr, CLONE_PARAMS *const param)
 		break;
 
 	    case SVt_PVGV:
-		if (GvUNIQUE((const GV *)sstr)) {
-		    NOOP;   /* Do sharing here, and fall through */
-		}
 	    case SVt_PVIO:
 	    case SVt_PVFM:
 	    case SVt_PVHV:
@@ -11123,8 +11108,7 @@ Perl_sv_dup(pTHX_ const SV *const sstr, CLONE_PARAMS *const param)
 		    CvROOT(dstr) = OpREFCNT_inc(CvROOT(dstr));
 		OP_REFCNT_UNLOCK;
 		if (CvCONST(dstr) && CvISXSUB(dstr)) {
-		    CvXSUBANY(dstr).any_ptr = GvUNIQUE(CvGV(dstr)) ?
-			SvREFCNT_inc(CvXSUBANY(dstr).any_ptr) :
+		    CvXSUBANY(dstr).any_ptr =
 			sv_dup_inc((const SV *)CvXSUBANY(dstr).any_ptr, param);
 		}
 		/* don't dup if copying back - CvGV isn't refcounted, so the
diff --git a/toke.c b/toke.c
index ca18af1f21..e3e0544e1d 100644
--- a/toke.c
+++ b/toke.c
@@ -4376,11 +4376,6 @@ Perl_yylex(pTHX)
 		    if (len == 6 && strnEQ(SvPVX(sv), "unique", len)) {
 			sv_free(sv);
 			if (PL_in_my == KEY_our) {
-#ifdef USE_ITHREADS
-			    GvUNIQUE_on(cGVOPx_gv(pl_yylval.opval));
-#else
-			    /* skip to avoid loading attributes.pm */
-#endif
 			    deprecate(":unique");
 			}
 			else