Fix for bug id 19990615.008, pos() unset during s///ge.

p4raw-id: //depot/perl@7562

2 files changed, 23 insertions, 1 deletions

diff --git a/pp_ctl.c b/pp_ctl.c
index 729a438f32..fce163fc3e 100644
--- a/pp_ctl.c
+++ b/pp_ctl.c
@@ -211,6 +211,21 @@ PP(pp_substcont)
     cx->sb_m = m = rx->startp[0] + orig;
     sv_catpvn(dstr, s, m-s);
     cx->sb_s = rx->endp[0] + orig;
+    { /* Update the pos() information. */
+	SV *sv = cx->sb_targ;
+	MAGIC *mg;
+	I32 i;
+	if (SvTYPE(sv) < SVt_PVMG)
+	    SvUPGRADE(sv, SVt_PVMG);
+	if (!(mg = mg_find(sv, 'g'))) {
+	    sv_magic(sv, Nullsv, 'g', Nullch, 0);
+	    mg = mg_find(sv, 'g');
+	}
+	i = m - orig;
+	if (DO_UTF8(sv))
+	    sv_pos_b2u(sv, &i);
+	mg->mg_len = i;
+    }
     cx->sb_rxtainted |= RX_MATCH_TAINTED(rx);
     rxres_save(&cx->sb_rxres, rx);
     RETURNOP(pm->op_pmreplstart);
diff --git a/t/op/pos.t b/t/op/pos.t
index 46811b7bbc..f3bc23c84a 100755
--- a/t/op/pos.t
+++ b/t/op/pos.t
@@ -1,6 +1,6 @@
 #!./perl
 
-print "1..3\n";
+print "1..4\n";
 
 $x='banana';
 $x=~/.a/g;
@@ -14,3 +14,10 @@ sub f { my $p=$_[0]; return $p }
 $x=~/.a/g;
 if (f(pos($x))==4) {print "ok 3\n"} else {print "not ok 3\n";}
 
+# Is pos() set inside //g? (bug id 19990615.008)
+$x = "test string?"; $x =~ s/\w/pos($x)/eg;
+print "not " unless $x eq "0123 5678910?";
+print "ok 4\n";
+
+
+