Upgrade to Archive-Tar-1.30. Since change #27571 is not included,

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

diff --git a/op.c b/op.c
index d2c6835..1a4ab2d 100644 (file)
--- a/op.c
+++ b/op.c
@@ -2118,8 +2118,8 @@ Perl_fold_constants(pTHX_ register OP *o)
     dVAR;
     register OP *curop;
     OP *newop;
-    I32 type = o->op_type;
-    SV *sv = NULL;
+    volatile I32 type = o->op_type;
+    volatile SV *sv = NULL;
     int ret = 0;
     I32 oldscope;
     OP *old_next;
@@ -2233,7 +2233,7 @@ Perl_fold_constants(pTHX_ register OP *o)
     if (type == OP_RV2GV)
        newop = newGVOP(OP_GV, 0, (GV*)sv);
     else
-       newop = newSVOP(OP_CONST, 0, sv);
+       newop = newSVOP(OP_CONST, 0, (SV*)sv);
     op_getmad(o,newop,'f');
     return newop;
 
@@ -3783,7 +3783,7 @@ Perl_newASSIGNOP(pTHX_ I32 flags, OP *left, I32 optype, OP *right)
         * to store these values, evil chicanery is done with SvCUR().
         */
 
-       if (!(left->op_private & OPpLVAL_INTRO)) {
+       {
            OP *lastop = o;
            PL_generation++;
            for (curop = LINKLIST(o); curop != o; curop = LINKLIST(curop)) {
@@ -3838,6 +3838,34 @@ Perl_newASSIGNOP(pTHX_ I32 flags, OP *left, I32 optype, OP *right)
            if (curop != o)
                o->op_private |= OPpASSIGN_COMMON;
        }
+
+       if ( ((left->op_private & OPpLVAL_INTRO) || ckWARN(WARN_MISC))
+               && (left->op_type == OP_LIST
+                   || (left->op_type == OP_NULL && left->op_targ == OP_LIST)))
+       {
+           OP* lop = ((LISTOP*)left)->op_first;
+           while (lop) {
+               if (lop->op_type == OP_PADSV ||
+                   lop->op_type == OP_PADAV ||
+                   lop->op_type == OP_PADHV ||
+                   lop->op_type == OP_PADANY)
+               {
+                   if (lop->op_private & OPpPAD_STATE) {
+                       if (left->op_private & OPpLVAL_INTRO) {
+                           o->op_private |= OPpASSIGN_STATE;
+                           /* hijacking PADSTALE for uninitialized state variables */
+                           SvPADSTALE_on(PAD_SVl(lop->op_targ));
+                       }
+                       else { /* we already checked for WARN_MISC before */
+                           Perl_warner(aTHX_ packWARN(WARN_MISC), "State variable %s will be reinitialized",
+                                   PAD_COMPNAME_PV(lop->op_targ));
+                       }
+                   }
+               }
+               lop = lop->op_sibling;
+           }
+       }
+
        if (right && right->op_type == OP_SPLIT) {
            OP* tmpop = ((LISTOP*)right)->op_first;
            if (tmpop && (tmpop->op_type == OP_PUSHRE)) {