diff options
Diffstat (limited to 'test/tsan/stack_sync_reuse.cc')
| -rw-r--r-- | test/tsan/stack_sync_reuse.cc | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/test/tsan/stack_sync_reuse.cc b/test/tsan/stack_sync_reuse.cc index 5ea9e84b085a5..d2bc5cb1b2827 100644 --- a/test/tsan/stack_sync_reuse.cc +++ b/test/tsan/stack_sync_reuse.cc @@ -1,7 +1,7 @@ // RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s #include "test.h" -// Test case https://code.google.com/p/thread-sanitizer/issues/detail?id=87 +// Test case https://github.com/google/sanitizers/issues/494 // Tsan sees false HB edge on address pointed to by syncp variable. // It is false because when acquire is done syncp points to a var in one frame, // and during release it points to a var in a different frame. @@ -31,7 +31,8 @@ void *Thread(void *x) { } void __attribute__((noinline)) foobar() { - long s; + __attribute__((aligned(64))) long s; + addr = &s; __atomic_store_n(&s, 0, __ATOMIC_RELAXED); __atomic_store_n(&syncp, &s, __ATOMIC_RELEASE); @@ -40,7 +41,8 @@ void __attribute__((noinline)) foobar() { } void __attribute__((noinline)) barfoo() { - long s; + __attribute__((aligned(64))) long s; + if (addr != &s) { printf("address mismatch addr=%p &s=%p\n", addr, &s); exit(1); |