// 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: use-after-scope // CHECK-NEXT: 0x{{.*}} is located 0 bytes inside a 64-byte local variable c [0x{{.*}},0x{{.*}}) in buggy p[0] = 0; }