1 // RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s
2 
3 // FIXME: Doesn't work with DLLs
4 // XFAIL: win32-dynamic-asan
5 
6 #include <stdio.h>
7 #include <stdlib.h>
8 
9 // Required for dyld macOS 12.0+
10 #if (__APPLE__)
11 __attribute__((weak))
12 #endif
13 extern "C" void
__asan_on_error()14 __asan_on_error() {
15   fprintf(stderr, "__asan_on_error called\n");
16   fflush(stderr);
17 }
18 
main()19 int main() {
20   char *x = (char*)malloc(10 * sizeof(char));
21   free(x);
22   return x[5];
23   // CHECK: __asan_on_error called
24 }
25