b5a60ec7fe
On Darwin, there are some apps that rely on realloc(nullptr, 0) returning a valid pointer. TSan currently returns nullptr in this case, let's fix it to avoid breaking binary compatibility. Differential Revision: https://reviews.llvm.org/D22800 llvm-svn: 277458
21 lines
352 B
C++
21 lines
352 B
C++
// Test that realloc(nullptr, 0) return a non-NULL pointer.
|
|
|
|
// RUN: %clang_tsan %s -o %t
|
|
// RUN: %run %t 2>&1 | FileCheck %s
|
|
|
|
#include <malloc/malloc.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <sys/mman.h>
|
|
|
|
int main() {
|
|
void *p = realloc(nullptr, 0);
|
|
if (!p) {
|
|
abort();
|
|
}
|
|
fprintf(stderr, "Okay.\n");
|
|
return 0;
|
|
}
|
|
|
|
// CHECK: Okay.
|