+ /* On some platforms, the memchr() functions reads past the first
+ occurrence of the byte to be searched, leading to an out-of-bounds
+ read access for strstr().
+ See <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=521737>.
+ This is a bug in memchr(), see the Austin Group's clarification
+ <http://www.opengroup.org/austin/docs/austin_454.txt>. */
+ const char *fix = "aBaaaaaaaaaaax";
+ char *page_boundary = (char *) zerosize_ptr ();
+ size_t len = strlen (fix) + 1;
+ char *input = page_boundary ? page_boundary - len : malloc (len);
+ const char *result;
+
+ strcpy (input, fix);
+ result = strstr (input, "B1x");
+ ASSERT (result == NULL);
+ if (!page_boundary)
+ free (input);
+ }
+
+ {