compiler-rt/test/hwasan/TestCases/use-after-scope-temp2.cpp

   1 // This is the ASAN test of the same name ported to HWAsan.
   2
   3 // RUN: %clangxx_hwasan -mllvm -hwasan-use-after-scope -std=c++11 -O1 %s -o %t && \
   4 // RUN:     not %run %t 2>&1 | FileCheck %s
   5
   6 // REQUIRES: aarch64-target-arch
   7 // REQUIRES: stable-runtime
   8
   9 struct IntHolder {
  10   __attribute__((noinline)) const IntHolder &Self() const {
  11     return *this;
  12   }
  13   int val = 3;
  14 };
  15
  16 const IntHolder *saved;
  17
  18 int main(int argc, char *argv[]) {
  19   saved = &IntHolder().Self();
  20   int x = saved->val; // BOOM
  21   // CHECK: ERROR: HWAddressSanitizer: tag-mismatch
  22   // CHECK:  #0 0x{{.*}} in main {{.*}}use-after-scope-temp2.cpp:[[@LINE-2]]
  23   // CHECK: Cause: stack tag-mismatch
  24   return x;
  25 }