[C++11] Drop legacy conditionals for TokenKind's underlying type

This relies on forward declaration of enums.

llvm-svn: 202605

clang/include/clang/Basic/Diagnostic.h

@@ -18,9 +18,6 @@
 #include "clang/Basic/DiagnosticIDs.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Basic/SourceLocation.h"
-#if !LLVM_HAS_STRONG_ENUMS
-#include "clang/Basic/TokenKinds.h"
-#endif
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/IntrusiveRefCntPtr.h"
@@ -38,11 +35,9 @@ namespace clang {
   class Preprocessor;
   class DiagnosticErrorTrap;
   class StoredDiagnostic;
-#if LLVM_HAS_STRONG_ENUMS
   namespace tok {
   enum TokenKind : unsigned short;
   }
-#endif
 
 /// \brief Annotates a diagnostic with some code that should be
 /// inserted, removed, or replaced to fix the problem.

clang/include/clang/Basic/TokenKinds.h

@@ -22,7 +22,7 @@ namespace clang {
 namespace tok {
 
 /// \brief Provides a simple uniform namespace for tokens from all C languages.
-enum TokenKind LLVM_ENUM_INT_TYPE(unsigned short) {
+enum TokenKind : unsigned short {
 #define TOK(X) X,
 #include "clang/Basic/TokenKinds.def"
   NUM_TOKENS