compiler-rt/test/asan/TestCases/use-after-scope-capture.cpp

   1 // RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
   2
   3 #include <functional>
   4
   5 int main() {
   6   std::function<int()> f;
   7   {
   8     int x = 0;
   9     f = [&x]() __attribute__((noinline)) {
  10       return x;  // BOOM
  11       // CHECK: ERROR: AddressSanitizer: stack-use-after-scope
  12       // We cannot assert the line, after the argument promotion pass this crashes
  13       // in the BOOM line below instead, when the ref gets turned into a value.
  14       // CHECK: #0 0x{{.*}} in {{.*}}use-after-scope-capture.cpp
  15     };
  16   }
  17   return f();  // BOOM
  18 }