Mark variable template implementation as complete. Nearly all of the credit
here goes to Larisse Voufo.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@191549 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp
index 865a89e..2b6f339 100644
--- a/lib/Lex/PPMacroExpansion.cpp
+++ b/lib/Lex/PPMacroExpansion.cpp
@@ -961,7 +961,7 @@
            .Case("cxx_relaxed_constexpr", LangOpts.CPlusPlus1y)
            .Case("cxx_return_type_deduction", LangOpts.CPlusPlus1y)
            //.Case("cxx_runtime_array", LangOpts.CPlusPlus1y)
-           //.Case("cxx_variable_templates", LangOpts.CPlusPlus1y)
+           .Case("cxx_variable_templates", LangOpts.CPlusPlus1y)
            // Type traits
            .Case("has_nothrow_assign", LangOpts.CPlusPlus)
            .Case("has_nothrow_copy", LangOpts.CPlusPlus)
@@ -1036,6 +1036,7 @@
            .Case("cxx_rvalue_references", LangOpts.CPlusPlus)
            // C++1y features supported by other languages as extensions.
            .Case("cxx_binary_literals", true)
+           .Case("cxx_variable_templates", true)
            .Default(false);
 }