File: PR19955.cpp

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llvm-toolchain-4.0 1%3A4.0.1-10~deb9u2
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// RUN: %clang_cc1 -triple i686-win32 -verify -std=c++11 %s
// RUN: %clang_cc1 -triple i686-mingw32 -verify -std=c++11 %s

extern int __attribute__((dllimport)) var;
constexpr int *varp = &var; // expected-error {{must be initialized by a constant expression}}

extern __attribute__((dllimport)) void fun();
constexpr void (*funp)(void) = &fun; // expected-error {{must be initialized by a constant expression}}

template <void (*)()>
struct S {};
S<&fun> x;

template <int *>
struct U {};
U<&var> y;