1*67e74705SXin Li // RUN: %clang_cc1 -std=c++11 -verify %s 2*67e74705SXin Li 3*67e74705SXin Li extern "C" { 4*67e74705SXin Li extern R"(C++)" { } 5*67e74705SXin Li } 6*67e74705SXin Li 7*67e74705SXin Li #define plusplus "++" 8*67e74705SXin Li extern "C" plusplus { 9*67e74705SXin Li } 10*67e74705SXin Li 11*67e74705SXin Li extern u8"C" {} // expected-error {{string literal in language linkage specifier cannot have an encoding-prefix}} 12*67e74705SXin Li extern L"C" {} // expected-error {{string literal in language linkage specifier cannot have an encoding-prefix}} 13*67e74705SXin Li extern u"C++" {} // expected-error {{string literal in language linkage specifier cannot have an encoding-prefix}} 14*67e74705SXin Li extern U"C" {} // expected-error {{string literal in language linkage specifier cannot have an encoding-prefix}} 15