Partially fix a problem noticed by IRIX compiler:

the initialization of parse_start was bypassed by
several gotos.  Now initialized to zero, which may
not be the best choice.

p4raw-id: //depot/perl@10906

1 files changed, 3 insertions, 1 deletions

diff --git a/regcomp.c b/regcomp.c
index a12f4e1aa7..9be1523ada 100644
--- a/regcomp.c
+++ b/regcomp.c
@@ -2678,6 +2678,7 @@ S_regatom(pTHX_ RExC_state_t *pRExC_state, I32 *flagp)
 {
     register regnode *ret = 0;
     I32 flags;
+    char *parse_start = 0;
 
     *flagp = WORST;		/* Tentatively. */
 
@@ -2951,7 +2952,8 @@ tryagain:
 	    register char *p;
 	    char *oldp, *s;
 	    STRLEN numlen;
-            char *parse_start = RExC_parse - 1;
+
+            parse_start = RExC_parse - 1;
 
 	    RExC_parse++;