diff --git a/lib/Sema/Sema.h b/lib/Sema/Sema.h
index 3e0eae5..5feee65 100644
--- a/lib/Sema/Sema.h
+++ b/lib/Sema/Sema.h
@@ -1355,7 +1355,8 @@
   
   /// LookupInstanceMethodInGlobalPool - Returns the method and warns if
   /// there are multiple signatures.
-  ObjCMethodDecl *LookupInstanceMethodInGlobalPool(Selector Sel, SourceRange R);
+  ObjCMethodDecl *LookupInstanceMethodInGlobalPool(Selector Sel, SourceRange R,
+                                                   bool warn=true);
 
   /// LookupFactoryMethodInGlobalPool - Returns the method and warns if
   /// there are multiple signatures.
diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp
index 573e6a2..367f235 100644
--- a/lib/Sema/SemaDeclObjC.cpp
+++ b/lib/Sema/SemaDeclObjC.cpp
@@ -1264,7 +1264,8 @@
 
 // FIXME: Finish implementing -Wno-strict-selector-match.
 ObjCMethodDecl *Sema::LookupInstanceMethodInGlobalPool(Selector Sel, 
-                                                       SourceRange R) {
+                                                       SourceRange R,
+                                                       bool warn) {
   llvm::DenseMap<Selector, ObjCMethodList>::iterator Pos
     = InstanceMethodPool.find(Sel);
   if (Pos == InstanceMethodPool.end()) {
@@ -1281,7 +1282,7 @@
     for (ObjCMethodList *Next = MethList.Next; Next; Next = Next->Next)
       // This checks if the methods differ by size & alignment.
       if (!MatchTwoMethodDeclarations(MethList.Method, Next->Method, true))
-        issueWarning = true;
+        issueWarning = warn;
   }
   if (issueWarning && (MethList.Method && MethList.Next)) {
     Diag(R.getBegin(), diag::warn_multiple_method_decl) << Sel << R;
diff --git a/lib/Sema/SemaExprObjC.cpp b/lib/Sema/SemaExprObjC.cpp
index d9ca49c..0fcf747 100644
--- a/lib/Sema/SemaExprObjC.cpp
+++ b/lib/Sema/SemaExprObjC.cpp
@@ -132,7 +132,7 @@
                                                    SourceLocation LParenLoc,
                                                    SourceLocation RParenLoc) {
   ObjCMethodDecl *Method = LookupInstanceMethodInGlobalPool(Sel, 
-                             SourceRange(LParenLoc, RParenLoc));
+                             SourceRange(LParenLoc, RParenLoc), false);
   if (!Method)
     Method = LookupFactoryMethodInGlobalPool(Sel,
                                           SourceRange(LParenLoc, RParenLoc));