-Changes to TagDecl:
  Added TagKind enum.
  Added getTagKind() method.
  Added convenience methods: isEnum(), isStruct(), isUnion(), isClass().
-RecordDecl/CXXRecordDecl::Create() accept a TagKind enum instead of a DeclKind one.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52160 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index a7135ea..45affca 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -285,7 +285,7 @@
 
   // C++ [class.union]p1:
   //   A union shall not have base classes.
-  if (Decl->getKind() == Decl::Union) {
+  if (Decl->isUnion()) {
     Diag(Decl->getLocation(), diag::err_base_clause_on_union,
          SpecifierRange);
     Decl->setInvalidDecl();