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