There are some crazy cases that LookupMethodInReceiverType

doesn't duplicate, but they all surface as implicit
properties.  It's also a useful optimization to not
duplicate the implicit getter lookup.  So, trust the
getter lookup that was already done in these cases.

llvm-svn: 144031

clang/lib/Sema/SemaPseudoObject.cpp

@@ -418,7 +418,14 @@ static ObjCMethodDecl *LookupMethodInReceiverType(Sema &S, Selector sel,
 bool ObjCPropertyOpBuilder::findGetter() {
   if (Getter) return true;
 
-  Getter = LookupMethodInReceiverType(S, RefExpr->getGetterSelector(), RefExpr);
+  // For implicit properties, just trust the lookup we already did.
+  if (RefExpr->isImplicitProperty()) {
+    Getter = RefExpr->getImplicitPropertyGetter();
+    return (Getter != 0);
+  }
+
+  ObjCPropertyDecl *prop = RefExpr->getExplicitProperty();
+  Getter = LookupMethodInReceiverType(S, prop->getGetterName(), RefExpr);
   return (Getter != 0);
 }
 

clang/test/SemaObjC/property.m

@@ -65,3 +65,12 @@ typedef id BYObjectIdentifier;
 
 // rdar://10127639
 @synthesize window; // expected-error {{missing context for property implementation declaration}}
+
+// rdar://10408414
+Class test6_getClass();
+@interface Test6
+@end
+@implementation Test6
++ (float) globalValue { return 5.0f; }
++ (float) gv { return test6_getClass().globalValue; }
+@end