Mark objc methods that are implicitly declared for properties (not user-declared) as implicit.
This results in libclang ignoring such methods.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137852 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp
index 68177f8..3c3c7cb 100644
--- a/lib/Sema/SemaDeclObjC.cpp
+++ b/lib/Sema/SemaDeclObjC.cpp
@@ -2466,7 +2466,8 @@
                            ResultTInfo,
                            cast<DeclContext>(ClassDecl),
                            MethodType == tok::minus, isVariadic,
-                           false, false,
+                           /*isSynthesized=*/false,
+                           /*isImplicitlyDeclared=*/false, /*isDefined=*/false,
                            MethodDeclKind == tok::objc_optional 
                              ? ObjCMethodDecl::Optional
                              : ObjCMethodDecl::Required,