diff --git a/clang/lib/Format/FormatToken.h b/clang/lib/Format/FormatToken.h
--- a/clang/lib/Format/FormatToken.h
+++ b/clang/lib/Format/FormatToken.h
@@ -118,7 +118,7 @@
 
 /// Determines the semantic type of a syntactic token, e.g. whether "<" is a
 /// template opener or binary operator.
-enum TokenType {
+enum TokenType : uint8_t {
 #define TYPE(X) TT_##X,
   LIST_TOKEN_TYPES
 #undef TYPE
@@ -149,8 +149,8 @@
         ClosesTemplateDeclaration(false), StartsBinaryExpression(false),
         EndsBinaryExpression(false), PartOfMultiVariableDeclStmt(false),
         ContinuesLineCommentSection(false), Finalized(false),
-        BlockKind(BK_Unknown), Type(TT_Unknown), Decision(FD_Unformatted),
-        PackingKind(PPK_Inconclusive) {}
+        BlockKind(BK_Unknown), Decision(FD_Unformatted),
+        PackingKind(PPK_Inconclusive), Type(TT_Unknown) {}
 
   /// The \c Token.
   Token Tok;
@@ -233,18 +233,6 @@
     assert(getBlockKind() == BBK && "BraceBlockKind overflow!");
   }
 
-private:
-  unsigned Type : 8;
-
-public:
-  /// Returns the token's type, e.g. whether "<" is a template opener or
-  /// binary operator.
-  TokenType getType() const { return static_cast<TokenType>(Type); }
-  void setType(TokenType T) {
-    Type = T;
-    assert(getType() == T && "TokenType overflow!");
-  }
-
 private:
   /// Stores the formatting decision for the token once it was made.
   unsigned Decision : 2;
@@ -271,6 +259,18 @@
     assert(getPackingKind() == K && "ParameterPackingKind overflow!");
   }
 
+private:
+  TokenType Type;
+
+public:
+  /// Returns the token's type, e.g. whether "<" is a template opener or
+  /// binary operator.
+  TokenType getType() const { return static_cast<TokenType>(Type); }
+  void setType(TokenType T) {
+    Type = T;
+    assert(getType() == T && "TokenType overflow!");
+  }
+
   /// The number of newlines immediately before the \c Token.
   ///
   /// This can be used to determine what the user wrote in the original code
diff --git a/clang/lib/Format/UnwrappedLineParser.cpp b/clang/lib/Format/UnwrappedLineParser.cpp
--- a/clang/lib/Format/UnwrappedLineParser.cpp
+++ b/clang/lib/Format/UnwrappedLineParser.cpp
@@ -2753,7 +2753,7 @@
                                                     E = Line.Tokens.end();
        I != E; ++I) {
     llvm::dbgs() << I->Tok->Tok.getName() << "["
-                 << "T=" << I->Tok->getType()
+                 << "T=" << (unsigned)I->Tok->getType()
                  << ", OC=" << I->Tok->OriginalColumn << "] ";
   }
   for (std::list<UnwrappedLineNode>::const_iterator I = Line.Tokens.begin(),