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/SemaObjCProperty.cpp b/lib/Sema/SemaObjCProperty.cpp
index 34c7020..655adde 100644
--- a/lib/Sema/SemaObjCProperty.cpp
+++ b/lib/Sema/SemaObjCProperty.cpp
@@ -1576,7 +1576,7 @@
                                                   SC_None,
                                                   SC_None,
                                                   0);
-      SetterMethod->setMethodParams(Context, &Argument, 1, 1);
+      SetterMethod->setMethodParams(Context, &Argument, 1);
 
       AddPropertyAttrs(*this, SetterMethod, property);