| 1 | // Test that realloc(nullptr, 0) return a non-NULL pointer. |
|---|---|
| 2 | |
| 3 | // RUN: %clang_tsan %s -o %t |
| 4 | // RUN: %run %t 2>&1 | FileCheck %s |
| 5 | |
| 6 | #include <malloc/malloc.h> |
| 7 | #include <stdio.h> |
| 8 | #include <stdlib.h> |
| 9 | #include <sys/mman.h> |
| 10 | |
| 11 | int main() { |
| 12 | void *p = realloc(NULL, size: 0); |
| 13 | if (!p) { |
| 14 | abort(); |
| 15 | } |
| 16 | fprintf(stderr, format: "Okay.\n"); |
| 17 | return 0; |
| 18 | } |
| 19 | |
| 20 | // CHECK: Okay. |
| 21 |
