| // RUN: %clang_hwasan -g %s -o %t && not %run %t 2>&1 | FileCheck %s |
| |
| // Dynamic stack realignment causes debug info locations to use non-FP-relative |
| // offsets because stack frames are realigned below FP, which means that we |
| // can't associate addresses with stack objects in this case. Ideally we should |
| // be able to handle this case somehow (e.g. by using a different register for |
| // DW_AT_frame_base) but at least we shouldn't get confused by it. |
| |
| __attribute((noinline)) |
| char *buggy() { |
| _Alignas(64) char c[64]; |
| char *volatile p = c; |
| return p; |
| } |
| |
| int main() { |
| char *p = buggy(); |
| // CHECK-NOT: Potentially referenced stack objects: |
| p[0] = 0; |
| } |
