Fix buildbot problems after rC330794

Avoiding
  error: no matching function for call to 'makeArrayRef'
at
  ../tools/clang/lib/Parse/ParseTemplate.cpp:373:17

By using a local C array as input to makeArrayRef.

Not sure if this is the best solution, but it makes the code
compile again.

llvm-svn: 330802

clang/lib/Parse/ParseTemplate.cpp

@@ -370,7 +370,8 @@ Parser::ParseConceptDefinition(SourceLocation ConceptLoc,
     if (DSC != DeclSpecContext::DSC_template_param) {
       SkipUntil(tok::r_brace, StopAtSemi | StopBeforeMatch);
     } else {
-      SkipUntil(llvm::makeArrayRef({tok::comma, tok::greater}),
+      tok::TokenKind Tokens[] = { tok::comma, tok::greater };
+      SkipUntil(llvm::makeArrayRef(Tokens),
                 StopAtSemi | StopBeforeMatch);
     }
     return;