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 -std=c++11 -O1 %s -o %t && \
   4 // RUN:     not %run %t 2>&1 | FileCheck %s
   5
   6 // REQUIRES: aarch64-target-arch || riscv64-target-arch
   7
   8 struct IntHolder {
   9   __attribute__((noinline)) const IntHolder &Self() const {
  10     return *this;
  11   }
  12   int val = 3;
  13 };
  14
  15 const IntHolder *saved;
  16
  17 int main(int argc, char *argv[]) {
  18   saved = &IntHolder().Self();
  19   int x = saved->val; // BOOM
  20   // CHECK: ERROR: HWAddressSanitizer: tag-mismatch
  21   // CHECK:  #0 0x{{.*}} in main {{.*}}use-after-scope-temp2.cpp:[[@LINE-2]]
  22   // CHECK: Cause: stack tag-mismatch
  23   return x;
  24 }