Turn handling of parameter attributes back on, fixing the ObjC breakage


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@47246 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Sema/SemaDeclObjC.cpp b/Sema/SemaDeclObjC.cpp
index 8d54571..6b1d78b 100644
--- a/Sema/SemaDeclObjC.cpp
+++ b/Sema/SemaDeclObjC.cpp
@@ -42,6 +42,7 @@
   PI.Ident = &Context.Idents.get("self");
   PI.IdentLoc = SourceLocation(); // synthesized vars have a null location.
   PI.InvalidType = false;
+  PI.AttrList = 0;
   if (MDecl->isInstance()) {
     ObjCInterfaceDecl *OID = MDecl->getClassInterface();
     // There may be no interface context due to error in declaration of the