Remove unnecessary default in covered switch over enum
This cleans up the Clang -Werror build that was broken by r177180.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177184 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ASTDiagnostic.cpp b/lib/AST/ASTDiagnostic.cpp
index 92d656e..d4c96cf 100644
--- a/lib/AST/ASTDiagnostic.cpp
+++ b/lib/AST/ASTDiagnostic.cpp
@@ -1132,7 +1132,6 @@
// Handle cases where the difference is not templates with different
// arguments.
switch (Tree.GetKind()) {
- default:
case DiffTree::Invalid:
llvm_unreachable("Template diffing failed with bad DiffNode");
case DiffTree::Type: {
