Index: clang/lib/StaticAnalyzer/Checkers/CStringChecker.cpp
===================================================================
--- clang/lib/StaticAnalyzer/Checkers/CStringChecker.cpp
+++ clang/lib/StaticAnalyzer/Checkers/CStringChecker.cpp
@@ -567,7 +567,7 @@
 
   if (!BT_Overlap)
     BT_Overlap.reset(new BugType(Filter.CheckNameCStringBufferOverlap,
-                                 categories::UnixAPI, "Improper arguments"));
+                                 "Improper arguments", categories::UnixAPI));
 
   // Generate a report for this bug.
   auto report = std::make_unique<BugReport>(