Mark variable template implementation as complete. Nearly all of the credit

here goes to Larisse Voufo.

llvm-svn: 191549

clang/lib/Lex/PPMacroExpansion.cpp

@@ -961,7 +961,7 @@ static bool HasFeature(const Preprocessor &PP, const IdentifierInfo *II) {
            .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 @@ static bool HasExtension(const Preprocessor &PP, const IdentifierInfo *II) {
            .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);
 }
 

clang/test/Lexer/has_extension_cxx.cpp

@@ -40,16 +40,17 @@ int has_reference_qualified_functions();
 int has_rvalue_references();
 #endif
 
+// CHECK: has_local_type_template_args
 #if __has_extension(cxx_local_type_template_args)
 int has_local_type_template_args();
-#else
-int no_local_type_template_args();
 #endif
 
-// CHECK: has_local_type_template_args
-
+// CHECK: has_binary_literals
 #if __has_extension(cxx_binary_literals)
 int has_binary_literals();
 #endif
 
-// CHECK: has_binary_literals
+// CHECK: has_variable_templates
+#if __has_extension(cxx_variable_templates)
+int has_variable_templates();
+#endif

clang/test/Lexer/has_feature_cxx0x.cpp

@@ -376,3 +376,13 @@ int no_relaxed_constexpr();
 // CHECK-1Y: has_relaxed_constexpr
 // CHECK-11: no_relaxed_constexpr
 // CHECK-NO-11: no_relaxed_constexpr
+
+#if __has_feature(cxx_variable_templates)
+int has_variable_templates();
+#else
+int no_variable_templates();
+#endif
+
+// CHECK-1Y: has_variable_templates
+// CHECK-11: no_variable_templates
+// CHECK-NO-11: no_variable_templates

clang/www/cxx_status.html

@@ -451,7 +451,7 @@ available.</p>
     <tr>
       <td>Variable templates</td>
       <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3651.pdf">N3651</a></td>
-      <td class="partial" align="center">Partial</td>
+      <td class="svn" align="center">SVN</td>
     </tr>
     <tr>
       <td>Relaxing requirements on constexpr functions</td>