* gcc.c (used_arg): Prevent out of bound access for multilib_options.

From-SVN: r209470

* gcc.c (used_arg): Prevent out of bound access for multilib_options.
From-SVN: r209470
59b266b1 · Kito Cheng · Jakub Jelinek · 83ad208e · 59b266b1 · 59b266b1
Commit 59b266b1 authored Apr 17, 2014 by Kito Cheng Committed by Jakub Jelinek Apr 17, 2014
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gcc/gcc.c
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2014-04-17  Kito Cheng  <kito@0xlab.org>
+
+	* gcc.c (used_arg): Prevent out of bound access for multilib_options.
+
 2014-04-17  Richard Biener  <rguenther@suse.de>

 	PR middle-end/60849

--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -7490,7 +7490,7 @@ used_arg (const char *p, int len)
 	{
 	  const char *r;

-	  for (q = multilib_options; *q != '\0'; q++)
+	  for (q = multilib_options; *q != '\0'; *q && q++)
 	    {
 	      while (*q == ' ')
 		q++;