clang/test/CXX/over/over.oper/over.literal/p6.cpp


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

extern "C" void operator "" _a(const char *); // expected-error {{must have C++ linkage}}
extern "C" template<char...> void operator "" _b(); // expected-error {{must have C++ linkage}}

extern "C" {
  void operator "" _c(const char *); // expected-error {{must have C++ linkage}}
  template<char...> void operator "" _d(); // expected-error {{must have C++ linkage}}
  namespace N {
    void operator "" _e(const char *); // expected-error {{must have C++ linkage}}
    template<char...> void operator "" _f(); // expected-error {{must have C++ linkage}}
  }
}