Update Log::Messge::Simple to 0.04 (was: Re: Code freeze)

[perl5.git] / regcomp.c

diff --git a/regcomp.c b/regcomp.c
index 99cb464..3ad5d8c 100644 (file)
--- a/regcomp.c
+++ b/regcomp.c
@@ -4944,9 +4944,13 @@ Perl_reg_named_buff_exists(pTHX_ REGEXP * const rx, SV * const key,
 SV*
 Perl_reg_named_buff_firstkey(pTHX_ REGEXP * const rx, const U32 flags)
 {
-    (void)hv_iterinit(rx->paren_names);
+    if ( rx && rx->paren_names ) {
+       (void)hv_iterinit(rx->paren_names);
 
-    return CALLREG_NAMED_BUFF_NEXTKEY(rx, NULL, flags & ~RXapif_FIRSTKEY);
+       return CALLREG_NAMED_BUFF_NEXTKEY(rx, NULL, flags & ~RXapif_FIRSTKEY);
+    } else {
+       return FALSE;
+    }
 }
 
 SV*