1// RUN: %clangxx_tsan -O1 %s -o %t
2// RUN: %env_tsan_opts=allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s
3#include <stdio.h>
4#include <stdlib.h>
5
6int main() {
7 void *p = malloc((size_t)-1);
8 if (p != 0)
9 fprintf(stderr, "FAIL malloc(-1) = %p\n", p);
10 p = malloc((size_t)-1 / 2);
11 if (p != 0)
12 fprintf(stderr, "FAIL malloc(-1/2) = %p\n", p);
13 p = calloc((size_t)-1, (size_t)-1);
14 if (p != 0)
15 fprintf(stderr, "FAIL calloc(-1, -1) = %p\n", p);
16 p = calloc((size_t)-1 / 2, (size_t)-1 / 2);
17 if (p != 0)
18 fprintf(stderr, "FAIL calloc(-1/2, -1/2) = %p\n", p);
19 fprintf(stderr, "OK\n");
20}
21
22// CHECK-NOT: FAIL
23// CHECK-NOT: failed to allocate
24