1 // RUN: %clang_lsan %s -o %t
2 // RUN: %env_lsan_opts=use_stacks=0 not %run %t 2>&1 | FileCheck %s
3 
4 /// Fails when only leak sanitizer is enabled
5 // UNSUPPORTED: arm-linux, armhf-linux
6 
7 #include <stdio.h>
8 #include <stdlib.h>
9 
10 // CHECK: {{Leak|Address}}Sanitizer: detected memory leaks
11 // CHECK: {{Leak|Address}}Sanitizer: 1 byte(s) leaked in 1 allocation(s).
12 
13 int main() {
14   // The behavior of malloc(0) is implementation-defined.
15   char *p = malloc(0);
16   fprintf(stderr, "zero: %p\n", p);
17   p = 0;
18 }
19