Don't issue warning on multiple selector found when 
selector name is for a @selector expression.

llvm-svn: 79776
diff --git a/clang/lib/Sema/Sema.h b/clang/lib/Sema/Sema.h
index 3e0eae5..5feee65 100644
--- a/clang/lib/Sema/Sema.h
+++ b/clang/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.