Don't keep NumSelectorArgs in the ObjCMethodDecl, the number can be derived from the selector.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140983 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp
index f1a2637..23e4474 100644
--- a/lib/Sema/SemaDeclObjC.cpp
+++ b/lib/Sema/SemaDeclObjC.cpp
@@ -2609,8 +2609,7 @@
     Params.push_back(Param);
   }
   
-  ObjCMethod->setMethodParams(Context, Params.data(), Params.size(),
-                              Sel.getNumArgs());
+  ObjCMethod->setMethodParams(Context, Params.data(), Params.size());
   ObjCMethod->setObjCDeclQualifier(
     CvtQTToAstBitMask(ReturnQT.getObjCDeclQualifier()));