compiler-rt/test/tsan/Darwin/realloc-zero.cpp

   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, 0);
  13   if (!p) {
  14     abort();
  15   }
  16   fprintf(stderr, "Okay.\n");
  17   return 0;
  18 }
  19
  20 // CHECK: Okay.