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[p5sagit/p5-mst-13.2.git] / scope.c

diff --git a/scope.c b/scope.c
index 7845fc5..cad14de 100644 (file)
--- a/scope.c
+++ b/scope.c
@@ -505,11 +505,7 @@ Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen)
 
     PERL_ARGS_ASSERT_SAVE_DELETE;
 
-    SSCHECK(4);
-    SSPUSHINT(klen);
-    SSPUSHPTR(key);
-    SSPUSHPTR(SvREFCNT_inc_simple(hv));
-    SSPUSHINT(SAVEt_DELETE);
+    save_pushptri32ptr(key, klen, SvREFCNT_inc_simple(hv), SAVEt_DELETE);
 }
 
 void
@@ -544,7 +540,6 @@ Perl_save_hints(pTHX)
            PL_compiling.cop_hints_hash->refcounted_he_refcnt++;
            HINTS_REFCNT_UNLOCK;
     }
-    SSCHECK(4);
     if (PL_hints & HINT_LOCALIZE_HH) {
        save_pushptri32ptr(GvHV(PL_hintgv), PL_hints,
                           PL_compiling.cop_hints_hash, SAVEt_HINTS);
@@ -653,6 +648,8 @@ Perl_leave_scope(pTHX_ I32 base)
     void* ptr;
     register char* str;
     I32 i;
+    /* Localise the effects of the TAINT_NOT inside the loop.  */
+    const bool was = PL_tainted;
 
     if (base < -1)
        Perl_croak(aTHX_ "panic: corrupt saved stack index");
@@ -861,8 +858,9 @@ Perl_leave_scope(pTHX_ I32 base)
        case SAVEt_DELETE:
            ptr = SSPOPPTR;
            hv = MUTABLE_HV(ptr);
+           i = SSPOPINT;
            ptr = SSPOPPTR;
-           (void)hv_delete(hv, (char*)ptr, (I32)SSPOPINT, G_DISCARD);
+           (void)hv_delete(hv, (char*)ptr, i, G_DISCARD);
            SvREFCNT_dec(hv);
            Safefree(ptr);
            break;
@@ -906,19 +904,18 @@ Perl_leave_scope(pTHX_ I32 base)
            sv = MUTABLE_SV(SSPOPPTR);
            hv = MUTABLE_HV(SSPOPPTR);
            ptr = hv_fetch_ent(hv, sv, 1, 0);
+           SvREFCNT_dec(sv);
            if (ptr) {
                const SV * const oval = HeVAL((HE*)ptr);
                if (oval && oval != &PL_sv_undef) {
                    ptr = &HeVAL((HE*)ptr);
                    if (SvTIED_mg((const SV *)hv, PERL_MAGIC_tied))
                        SvREFCNT_inc_void(*(SV**)ptr);
-                   SvREFCNT_dec(sv);
                    av = MUTABLE_AV(hv); /* what to refcnt_dec */
                    goto restore_sv;
                }
            }
            SvREFCNT_dec(hv);
-           SvREFCNT_dec(sv);
            SvREFCNT_dec(value);
            break;
        case SAVEt_OP:
@@ -1070,6 +1067,8 @@ Perl_leave_scope(pTHX_ I32 base)
            Perl_croak(aTHX_ "panic: leave_scope inconsistency");
        }
     }
+
+    PL_tainted = was;
 }
 
 void