1 // RUN: %clang_hwasan -g %s -o %t && not %run %t 2>&1 | FileCheck %s 2 3 // Dynamic allocation of stack objects does not affect FP, so the backend should 4 // still be using FP-relative debug info locations that we can use to find stack 5 // objects. 6 7 // Stack histories are currently not recorded on x86. 8 // XFAIL: x86_64 9 10 __attribute((noinline)) 11 char *buggy(int b) { 12 char c[64]; 13 char *volatile p = c; 14 if (b) { 15 p = __builtin_alloca(64); 16 p = c; 17 } 18 return p; 19 } 20 21 int main() { 22 char *p = buggy(1); 23 // CHECK: Potentially referenced stack objects: 24 // CHECK-NEXT: c in buggy 25 p[0] = 0; 26 } 27