Integrate change #14778 from maintperl;

constant folding on the range operator had the effect of disabling
peephole optimizations in all the siblings of the range OP; the
effect of this was that barewords could escape strictures when
they were hiding in such places
p4raw-link: @14778 on //depot/maint-5.6/perl: 0ef6625236721d79a74c662bb0d14b11d0d775c2

p4raw-id: //depot/perl@14791
p4raw-integrated: from //depot/maint-5.6/perl@14790 'merge in' op.c
	(@14439..)

diff --git a/op.c b/op.c
index 759b8d7..e39850e 100644 (file)
--- a/op.c
+++ b/op.c
@@ -2522,6 +2522,7 @@ Perl_gen_constant_list(pTHX_ register OP *o)
 
     o->op_type = OP_RV2AV;
     o->op_ppaddr = PL_ppaddr[OP_RV2AV];
+    o->op_seq = 0;             /* needs to be revisited in peep() */
     curop = ((UNOP*)o)->op_first;
     ((UNOP*)o)->op_first = newSVOP(OP_CONST, 0, SvREFCNT_inc(*PL_stack_sp--));
     op_free(curop);

diff --git a/t/lib/strict/subs b/t/lib/strict/subs
index 1e8b058..88d4afc 100644 (file)
--- a/t/lib/strict/subs
+++ b/t/lib/strict/subs
@@ -26,6 +26,15 @@ EXPECT
 
 # strict subs - error
 use strict 'subs' ;
+my @a = (1..2);
+my $b = xyz;
+EXPECT
+Bareword "xyz" not allowed while "strict subs" in use at - line 5.
+Execution of - aborted due to compilation errors.
+########
+
+# strict subs - error
+use strict 'subs' ;
 Fred ;
 EXPECT
 Bareword "Fred" not allowed while "strict subs" in use at - line 4.