Fix http://llvm.org/bugs/show_bug.cgi?id=3189.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61202 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 52 insertions, 2 deletions

diff --git a/lib/AST/DeclObjC.cpp b/lib/AST/DeclObjC.cpp
index ec8a1ff044..6045fa20c1 100644
--- a/lib/AST/DeclObjC.cpp
+++ b/lib/AST/DeclObjC.cpp
@@ -858,7 +858,7 @@ ObjCMethodDecl *ObjCProtocolDecl::lookupInstanceMethod(Selector Sel) {
     return MethodDecl;
     
   for (protocol_iterator I = protocol_begin(), E = protocol_end(); I != E; ++I)
-    if ((MethodDecl = (*I)->getInstanceMethod(Sel)))
+    if ((MethodDecl = (*I)->lookupInstanceMethod(Sel)))
       return MethodDecl;
   return NULL;
 }
@@ -872,7 +872,7 @@ ObjCMethodDecl *ObjCProtocolDecl::lookupClassMethod(Selector Sel) {
     return MethodDecl;
     
   for (protocol_iterator I = protocol_begin(), E = protocol_end(); I != E; ++I)
-    if ((MethodDecl = (*I)->getClassMethod(Sel)))
+    if ((MethodDecl = (*I)->lookupClassMethod(Sel)))
       return MethodDecl;
   return NULL;
 }
diff --git a/test/SemaObjC/protocol-lookup.m b/test/SemaObjC/protocol-lookup.m
new file mode 100644
index 0000000000..ec02c2ba7d
--- /dev/null
+++ b/test/SemaObjC/protocol-lookup.m
@@ -0,0 +1,50 @@
+// RUN: clang -fsyntax-only -verify %s
+@protocol NSObject
+- retain;
+- release;
+@end
+
+@interface NSObject
+- init;
+- dealloc;
+@end
+
+@protocol Foo <NSObject>
+@end
+
+@protocol Bar <Foo>
+@end
+
+@interface Baz : NSObject {
+	id <Foo> _foo;
+	id <Bar> _bar;
+}
+- (id)initWithFoo:(id <Foo>)foo bar:(id <Bar>)bar;
+@end
+
+@implementation Baz
+
+- (id)init
+{
+	return [self initWithFoo:0 bar:0];
+}
+
+- (id)initWithFoo:(id <Foo>)foo bar:(id <Bar>)bar
+{
+	self = [super init];
+	if (self != 0) {
+		_foo = [foo retain];
+		_bar = [bar retain];
+	}
+	return self;
+}
+
+- (void)dealloc
+{
+	[_foo release];
+	[_bar release];
+	[super dealloc];
+}
+
+@end
+