diff options
Diffstat (limited to 'compiler-rt/test/tsan/malloc_stack.cc')
-rw-r--r-- | compiler-rt/test/tsan/malloc_stack.cc | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/compiler-rt/test/tsan/malloc_stack.cc b/compiler-rt/test/tsan/malloc_stack.cc new file mode 100644 index 00000000000..3603497ef31 --- /dev/null +++ b/compiler-rt/test/tsan/malloc_stack.cc @@ -0,0 +1,25 @@ +// RUN: %clang_tsan -O1 %s -o %t && not %t 2>&1 | FileCheck %s +#include <pthread.h> +#include <unistd.h> + +_Atomic(int*) p; + +void *thr(void *a) { + sleep(1); + int *pp = __c11_atomic_load(&p, __ATOMIC_RELAXED); + *pp = 42; + return 0; +} + +int main() { + pthread_t th; + pthread_create(&th, 0, thr, p); + __c11_atomic_store(&p, new int, __ATOMIC_RELAXED); + pthread_join(th, 0); +} + +// CHECK: data race +// CHECK: Previous write +// CHECK: #0 operator new +// CHECK: Location is heap block +// CHECK: #0 operator new |