| 1 | // RUN: %clangxx_asan -O0 %s -o %t |
|---|---|
| 2 | // RUN: not %run %t 2>&1 | FileCheck %s |
| 3 | // XFAIL: msvc |
| 4 | struct A { |
| 5 | int a[8]; |
| 6 | }; |
| 7 | |
| 8 | int bar(A *a) { |
| 9 | int *volatile ptr = &a->a[0]; |
| 10 | return *(ptr - 1); |
| 11 | } |
| 12 | |
| 13 | void foo(A a) { |
| 14 | bar(a: &a); |
| 15 | } |
| 16 | |
| 17 | int main() { |
| 18 | foo(a: A()); |
| 19 | } |
| 20 | |
| 21 | // CHECK: ERROR: AddressSanitizer: stack-buffer-underflow |
| 22 | // CHECK: READ of size 4 at |
| 23 | // CHECK: is located in stack of thread |
| 24 |