| // RUN: %clang_hwasan -g %s -o %t && not %run %t 2>&1 | FileCheck %s |
| |
| // Dynamic allocation of stack objects does not affect FP, so the backend should |
| // still be using FP-relative debug info locations that we can use to find stack |
| // objects. |
| |
| // Stack histories are currently not recorded on x86. |
| // XFAIL: target=x86_64{{.*}} |
| |
| __attribute((noinline)) |
| char *buggy(int b) { |
| char c[64]; |
| char *volatile p = c; |
| if (b) { |
| p = __builtin_alloca(64); |
| p = c; |
| } |
| return p; |
| } |
| |
| int main() { |
| char *p = buggy(1); |
| // CHECK: Potentially referenced stack objects: |
| // CHECK-NEXT: c in buggy |
| p[0] = 0; |
| } |