clang/test/CXX/expr/expr.prim/p12-0x.cpp

// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s

struct S {
  int *j = &nonexistent; // expected-error {{use of undeclared identifier 'nonexistent'}}
  int *m = &n; // ok

  int n = f(); // ok
  int f();
};

int i = sizeof(S::m); // ok
int j = sizeof(S::m + 42); // ok