diff options
Diffstat (limited to 'libmudflap/testsuite/libmudflap.c/fail37-frag.c')
| -rw-r--r-- | libmudflap/testsuite/libmudflap.c/fail37-frag.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libmudflap/testsuite/libmudflap.c/fail37-frag.c b/libmudflap/testsuite/libmudflap.c/fail37-frag.c index 41ce4b91e05..38dbde56a81 100644 --- a/libmudflap/testsuite/libmudflap.c/fail37-frag.c +++ b/libmudflap/testsuite/libmudflap.c/fail37-frag.c @@ -13,7 +13,11 @@ main () { int i; for (i = 0; i < 5; i++) - x.s[i].f = 0; + { + /* Optimization barrier. Prevent gcc from seeing the undefined behavior. */ + __asm ("" : "+r" (i)); + x.s[i].f = 0; + } exit (0); } /* { dg-output "mudflap violation 1.*" } */ |