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// RUN: %clangxx_asan -O0 %p/SharedLibs/shared-lib-test-so.cc \
// RUN:     -fPIC -shared -o %t-so.so
// RUN: %clangxx_asan -O0 %s -o %t && not %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -O1 %p/SharedLibs/shared-lib-test-so.cc \
// RUN:     -fPIC -shared -o %t-so.so
// RUN: %clangxx_asan -O1 %s -o %t && not %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -O2 %p/SharedLibs/shared-lib-test-so.cc \
// RUN:     -fPIC -shared -o %t-so.so
// RUN: %clangxx_asan -O2 %s -o %t && not %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -O3 %p/SharedLibs/shared-lib-test-so.cc \
// RUN:     -fPIC -shared -o %t-so.so
// RUN: %clangxx_asan -O3 %s -o %t && not %t 2>&1 | FileCheck %s

#include <dlfcn.h>
#include <stdio.h>
#include <string.h>

#include <string>

using std::string;

typedef void (fun_t)(int x);

int main(int argc, char *argv[]) {
  string path = string(argv[0]) + "-so.so";
  printf("opening %s ... \n", path.c_str());
  void *lib = dlopen(path.c_str(), RTLD_NOW);
  if (!lib) {
    printf("error in dlopen(): %s\n", dlerror());
    return 1;
  }
  fun_t *inc = (fun_t*)dlsym(lib, "inc");
  if (!inc) return 1;
  printf("ok\n");
  inc(1);
  inc(-1);  // BOOM
  // CHECK: {{.*ERROR: AddressSanitizer: global-buffer-overflow}}
  // CHECK: {{READ of size 4 at 0x.* thread T0}}
  // CHECK: {{    #0 0x.*}}
  // CHECK: {{    #1 0x.* in main .*shared-lib-test.cc:}}[[@LINE-4]]
  return 0;
}