diff --git glibc-2.17-c758a686/nptl/tst-cleanup2.c glibc-2.17-c758a686/nptl/tst-cleanup2.c
index 5bd1609..65af0f2 100644
--- glibc-2.17-c758a686/nptl/tst-cleanup2.c
+++ glibc-2.17-c758a686/nptl/tst-cleanup2.c
@@ -34,6 +34,12 @@ static int
do_test (void)
{
char *p = NULL;
+ /* gcc can overwrite the success written value by scheduling instructions
+ around sprintf. It is allowed to do this since according to C99 the first
+ argument of sprintf is a character array and NULL is not a valid character
+ array. Mark the return value as volatile so that it gets reloaded on
+ return. */
+ volatile int ret = 0;
struct sigaction sa;
sa.sa_handler = sig_handler;
@@ -50,7 +56,7 @@ do_test (void)
if (setjmp (jmpbuf))
{
puts ("Exiting main...");
- return 0;
+ return ret;
}
sprintf (p, "This should segv\n");