Re: [ID 20011101.069] \stat('.') gives "Attempt to free unreferenced scalar"

Message-ID: <15330.40858.629851.468818@ix.netsoft.ro>

p4raw-id: //depot/perl@12811

2 files changed, 20 insertions, 13 deletions

diff --git a/op.c b/op.c
index 4740afd1f1..4b00e0f30e 100644
--- a/op.c
+++ b/op.c
@@ -1670,19 +1670,22 @@ Perl_mod(pTHX_ OP *o, I32 type)
 	    goto nomod;
 	break; /* mod()ing was handled by ck_return() */
     }
-    if (type != OP_LEAVESUBLV)
-        o->op_flags |= OPf_MOD;
-
-    if (type == OP_AASSIGN || type == OP_SASSIGN)
-	o->op_flags |= OPf_SPECIAL|OPf_REF;
-    else if (!type) {
-	o->op_private |= OPpLVAL_INTRO;
-	o->op_flags &= ~OPf_SPECIAL;
-	PL_hints |= HINT_BLOCK_SCOPE;
+    if (type != OP_REFGEN ||
+	PL_check[o->op_type] != MEMBER_TO_FPTR(Perl_ck_ftst)) {
+	if (type != OP_LEAVESUBLV)
+	    o->op_flags |= OPf_MOD;
+
+	if (type == OP_AASSIGN || type == OP_SASSIGN)
+	    o->op_flags |= OPf_SPECIAL|OPf_REF;
+	else if (!type) {
+	    o->op_private |= OPpLVAL_INTRO;
+	    o->op_flags &= ~OPf_SPECIAL;
+	    PL_hints |= HINT_BLOCK_SCOPE;
+	}
+	else if (type != OP_GREPSTART && type != OP_ENTERSUB
+		 && type != OP_LEAVESUBLV)
+	    o->op_flags |= OPf_REF;
     }
-    else if (type != OP_GREPSTART && type != OP_ENTERSUB
-             && type != OP_LEAVESUBLV)
-	o->op_flags |= OPf_REF;
     return o;
 }
 
diff --git a/t/op/stat.t b/t/op/stat.t
index dc47ef3885..8d0ca19bc0 100755
--- a/t/op/stat.t
+++ b/t/op/stat.t
@@ -9,7 +9,7 @@ BEGIN {
 
 use Config;
 
-print "1..58\n";
+print "1..59\n";
 
 $Is_MSWin32 = $^O eq 'MSWin32';
 $Is_NetWare = $^O eq 'NetWare';
@@ -281,3 +281,7 @@ if (-f) {print "ok 57\n";} else {print "not ok 57\n";}
 if (-f()) {print "ok 58\n";} else {print "not ok 58\n";}
 
 unlink 'Op.stat.tmp' or print "# unlink failed: $!\n";
+
+# bug id 20011101.069
+my @r = \stat(".");
+if (@r == 13) { print "ok 59\n" } else { print "not ok 59\n" }