1// RUN: %clangxx_asan %s -o %t && %run %t
2// http://code.google.com/p/address-sanitizer/issues/detail?id=147 (not fixed).
3// BROKEN: %clangxx_asan %s -o %t -static-libstdc++ && %run %t
4//
5// Android builds with static libstdc++ by default.
6// XFAIL: android
7
8// Clang doesn't support exceptions on Windows yet.
9// XFAIL: win32
10
11#include <stdio.h>
12static volatile int zero = 0;
13inline void pretend_to_do_something(void *x) {
14  __asm__ __volatile__("" : : "r" (x) : "memory");
15}
16
17__attribute__((noinline, no_sanitize_address))
18void ReallyThrow() {
19  fprintf(stderr, "ReallyThrow\n");
20  if (zero == 0)
21    throw 42;
22}
23
24__attribute__((noinline))
25void Throw() {
26  int a, b, c, d, e;
27  pretend_to_do_something(&a);
28  pretend_to_do_something(&b);
29  pretend_to_do_something(&c);
30  pretend_to_do_something(&d);
31  pretend_to_do_something(&e);
32  fprintf(stderr, "Throw stack = %p\n", &a);
33  ReallyThrow();
34}
35
36__attribute__((noinline))
37void CheckStack() {
38  int ar[100];
39  pretend_to_do_something(ar);
40  for (int i = 0; i < 100; i++)
41    ar[i] = i;
42  fprintf(stderr, "CheckStack stack = %p, %p\n", ar, ar + 100);
43}
44
45int main(int argc, char** argv) {
46  try {
47    Throw();
48  } catch(int a) {
49    fprintf(stderr, "a = %d\n", a);
50  }
51  CheckStack();
52}
53