File: use-after-scope-temp.cpp

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llvm-toolchain-13 1%3A13.0.1-11
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// RUN: %clangxx_asan %stdcxx11 -O1 -fsanitize-address-use-after-scope %s -o %t && \
// RUN:     not %run %t 2>&1 | FileCheck %s
//
// Not expected to work yet with HWAsan.
// XFAIL: *

struct IntHolder {
  int val;
};

const IntHolder *saved;

__attribute__((noinline)) void save(const IntHolder &holder) {
  saved = &holder;
}

int main(int argc, char *argv[]) {
  save({argc});
  int x = saved->val; // BOOM
  // CHECK: ERROR: AddressSanitizer: stack-use-after-scope
  // CHECK:  #0 0x{{.*}} in main {{.*}}use-after-scope-temp.cpp:[[@LINE-2]]
  return x;
}