Index: lib/Sema/SemaLookup.cpp
===================================================================
--- lib/Sema/SemaLookup.cpp	(revision 191739)
+++ lib/Sema/SemaLookup.cpp	(working copy)
@@ -4099,7 +4099,7 @@
   // Abort if typo correction already failed for this specific typo.
   IdentifierSourceLocations::iterator locs = TypoCorrectionFailures.find(Typo);
   if (locs != TypoCorrectionFailures.end() &&
-      locs->second.count(TypoName.getLoc()) > 0)
+      locs->second.count(TypoName.getLoc()))
     return TypoCorrection();
 
   NamespaceSpecifierSet Namespaces(Context, CurContext, SS);