compiler-rt/test/msan/dlopen_executable.cpp

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