Fixes PR 17106 (explicitly typed enums are formatted differently).

Before:
 enum X : int { A, B, C };

After:
 enum X : int {
   A,
   B,
   C
 };

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190054 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Format/UnwrappedLineParser.cpp b/lib/Format/UnwrappedLineParser.cpp
index 5029bd6..766e1d8 100644
--- a/lib/Format/UnwrappedLineParser.cpp
+++ b/lib/Format/UnwrappedLineParser.cpp
@@ -1035,9 +1035,7 @@
   if (FormatTok->Tok.is(tok::kw_class) ||
       FormatTok->Tok.is(tok::kw_struct))
       nextToken();
-  if (FormatTok->Tok.is(tok::identifier) ||
-      FormatTok->Tok.is(tok::kw___attribute) ||
-      FormatTok->Tok.is(tok::kw___declspec)) {
+  while (FormatTok->Tok.getIdentifierInfo() || FormatTok->Tok.is(tok::colon)) {
     nextToken();
     // We can have macros or attributes in between 'enum' and the enum name.
     if (FormatTok->Tok.is(tok::l_paren)) {