Index: lib/Format/FormatTokenLexer.cpp
===================================================================
--- lib/Format/FormatTokenLexer.cpp
+++ lib/Format/FormatTokenLexer.cpp
@@ -246,7 +246,7 @@
       StringRef(Identifier->TokenText.begin(),
                 Question->TokenText.end() - Identifier->TokenText.begin());
   Identifier->ColumnWidth += Question->ColumnWidth;
-  Identifier->Type = Identifier->Type;
+  Identifier->Type = Question->Type;
   Tokens.erase(Tokens.end() - 1);
   return true;
 }