1/* { dg-shouldfail "tsan" } */
2
3#include <stdlib.h>
4
5void __attribute__((noinline)) foo(int *mem) {
6  free(mem);
7}
8
9void __attribute__((noinline)) bar(int *mem) {
10  mem[0] = 42;
11}
12
13int main() {
14  int *mem =(int*)malloc (100);
15  foo(mem);
16  bar(mem);
17  return 0;
18}
19
20/* { dg-output "WARNING: ThreadSanitizer: heap-use-after-free.*(\n|\r\n|\r)" } */
21/* { dg-output "  Write of size 4 at.* by main thread:(\n|\r\n|\r)" } */
22/* { dg-output "    #0 bar.*(\n|\r\n|\r)" } */
23/* { dg-output "    #1 main.*(\n|\r\n|\r)" } */
24/* { dg-output "  Previous write of size 8 at.* by main thread:(\n|\r\n|\r)" } */
25/* { dg-output "    #0 free.*(\n|\r\n|\r)" } */
26/* { dg-output "    #\(1|2\) foo.*(\n|\r\n|\r)" } */
27/* { dg-output "    #\(2|3\) main.*(\n|\r\n|\r)" } */
28