1*d21b3d34SFangrui Song // RUN: %clangxx_msan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
2*d21b3d34SFangrui Song 
3*d21b3d34SFangrui Song #include <assert.h>
4*d21b3d34SFangrui Song #include <dlfcn.h>
5*d21b3d34SFangrui Song #include <stdlib.h>
6*d21b3d34SFangrui Song 
7*d21b3d34SFangrui Song static int my_global;
8*d21b3d34SFangrui Song 
main(void)9*d21b3d34SFangrui Song int main(void) {
10*d21b3d34SFangrui Song   int *uninit = (int*)malloc(sizeof(int));
11*d21b3d34SFangrui Song   my_global = *uninit;
12*d21b3d34SFangrui Song   void *p = dlopen(0, RTLD_NOW);
13*d21b3d34SFangrui Song   assert(p && "failed to get handle to executable");
14*d21b3d34SFangrui Song   return my_global;
15*d21b3d34SFangrui Song   // CHECK: MemorySanitizer: use-of-uninitialized-value
16*d21b3d34SFangrui Song   // CHECK: #0 {{.*}} in main{{.*}}dlopen_executable.cpp:[[@LINE-2]]
17*d21b3d34SFangrui Song }
18