More tests for r201536.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@201610 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CXX/dcl.dcl/dcl.link/p2.cpp b/test/CXX/dcl.dcl/dcl.link/p2.cpp
new file mode 100644 (file)
index 0000000..d1c3bcb
--- /dev/null
+++ b/test/CXX/dcl.dcl/dcl.link/p2.cpp
@@ -0,0 +1,14 @@
+// RUN: %clang_cc1 -std=c++11 -verify %s
+
+extern "C" {
+  extern R"(C++)" { }
+}
+
+#define plusplus "++"
+extern "C" plusplus {
+}
+
+extern u8"C" {} // expected-error {{string literal in language linkage specifier cannot have an encoding-prefix}}
+extern L"C" {} // expected-error {{string literal in language linkage specifier cannot have an encoding-prefix}}
+extern u"C++" {} // expected-error {{string literal in language linkage specifier cannot have an encoding-prefix}}
+extern U"C" {} // expected-error {{string literal in language linkage specifier cannot have an encoding-prefix}}