PATCH: PR testsuite/63830: c-c++-common/asan/strlen-overflow-1.c fails on x32

[H.J. Lu]

Hi,

This patch updates c-c++-common/asan/strlen-overflow-1.c to avoid tail
call on x32.  Tested on Linux/x86-64/ia32/x32.  OK to install?

Thanks.

H.J.
---
2014-11-11  H.J. Lu  <hongjiu...@intel.com>

        PR testsuite/63830
        * c-c++-common/asan/strlen-overflow-1.c (main): Avoid tail call.

diff --git a/gcc/testsuite/c-c++-common/asan/strlen-overflow-1.c 
b/gcc/testsuite/c-c++-common/asan/strlen-overflow-1.c
index 0f49286..33696ed 100644
--- a/gcc/testsuite/c-c++-common/asan/strlen-overflow-1.c
+++ b/gcc/testsuite/c-c++-common/asan/strlen-overflow-1.c
@@ -16,7 +16,7 @@ int main () {
   char *p = &a[0];
   asm ("" : "+r"(p));
   __asan_poison_memory_region ((char *)&a[1], 1);
-  return __builtin_strlen (a);
+  return __builtin_strlen (a) + 1;
 }
 
 /* { dg-output "READ of size 2 at 0x\[0-9a-f\]+ thread T0.*(\n|\r\n|\r)" } */