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[Emacs-diffs] emacs-25 c2a1792: * src/regex.c (re_search_2): Make new co


From: Paul Eggert
Subject: [Emacs-diffs] emacs-25 c2a1792: * src/regex.c (re_search_2): Make new code safe for -Wjump-misses-init.
Date: Sun, 23 Oct 2016 08:01:28 +0000 (UTC)

branch: emacs-25
commit c2a17924a57483d14692c8913edbe8ad24b5ffbb
Author: Paul Eggert <address@hidden>
Commit: Paul Eggert <address@hidden>

    * src/regex.c (re_search_2): Make new code safe for -Wjump-misses-init.
---
 src/regex.c |    9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/regex.c b/src/regex.c
index daa15ec..b12e95b 100644
--- a/src/regex.c
+++ b/src/regex.c
@@ -4380,6 +4380,10 @@ re_search_2 (struct re_pattern_buffer *bufp, const char 
*str1, size_t size1,
   /* Loop through the string, looking for a place to start matching.  */
   for (;;)
     {
+      ptrdiff_t offset1, offset2;
+      re_char *orig_base;
+      bool might_relocate;
+
       /* If the pattern is anchored,
         skip quickly past places we cannot match.
         We don't bother to treat startpos == 0 specially
@@ -4498,10 +4502,9 @@ re_search_2 (struct re_pattern_buffer *bufp, const char 
*str1, size_t size1,
 
       /* re_match_2_internal may allocate, relocating the Lisp text
         object that we're searching.  */
-      ptrdiff_t offset1, offset2;
       IF_LINT (offset2 = 0);  /* Work around GCC bug 78081.  */
-      re_char *orig_base = STR_BASE_PTR (re_match_object);
-      bool might_relocate = orig_base != NULL;
+      orig_base = STR_BASE_PTR (re_match_object);
+      might_relocate = orig_base != NULL;
       if (might_relocate)
         {
           if (string1) offset1 = string1 - orig_base;



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