Add a dump to help tracing taint bugs, by Chip Salzenberg

p4raw-id: //depot/perl@34837

1 files changed, 2 insertions, 0 deletions

diff --git a/dump.c b/dump.c
index fdb8dde3a5..724baf8bd3 100644
--- a/dump.c
+++ b/dump.c
@@ -532,6 +532,8 @@ Perl_sv_peek(pTHX_ SV *sv)
   finish:
     while (unref--)
 	sv_catpv(t, ")");
+    if (PL_tainting && SvTAINTED(sv))
+	sv_catpv(t, " [tainted]");
     return SvPV_nolen(t);
 }