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// RUN: %clang_cc1 -std=c++11 %s -verify
// RUN: %clang_cc1 -std=c++1y %s -verify -DCXX1Y
struct X {
constexpr int f(); // @5
int f(); // @6
};
#ifdef CXX1Y
// FIXME: Detect this situation and provide a better recovery.
// expected-error@6 {{class member cannot be redeclared}}
// expected-note@5 {{previous}}
// expected-error@6 {{non-constexpr declaration of 'f' follows constexpr declaration}}
// expected-note@5 {{previous}}
#else
// expected-warning@5 {{'constexpr' non-static member function will not be implicitly 'const' in C++1y; add 'const' to avoid a change in behavior}}
#endif
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