Index: lib/CodeGen/CGDecl.cpp =================================================================== --- lib/CodeGen/CGDecl.cpp (revision 203692) +++ lib/CodeGen/CGDecl.cpp (working copy) @@ -571,7 +571,10 @@ EmitStoreThroughLValue(RValue::get(value), lvalue, true); return; } - + + if (const CXXDefaultInitExpr *DIE = dyn_cast(init)) + init = DIE->getExpr(); + // If we're emitting a value with lifetime, we have to do the // initialization *before* we leave the cleanup scopes. if (const ExprWithCleanups *ewc = dyn_cast(init)) { Index: test/CodeGenObjCXX/arc-cxx11-member-init.mm =================================================================== --- test/CodeGenObjCXX/arc-cxx11-member-init.mm (revision 0) +++ test/CodeGenObjCXX/arc-cxx11-member-init.mm (working copy) @@ -0,0 +1,32 @@ +// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-arc -std=c++11 -emit-llvm -o - %s | FileCheck %s +// rdar://16299964 + +@interface NSObject ++ (id)new; +@end + +@interface NSMutableDictionary : NSObject +@end + +class XClipboardDataSet +{ + NSMutableDictionary* mClipData = [NSMutableDictionary new]; +}; + +@interface AppDelegate @end + +@implementation AppDelegate +- (void)applicationDidFinishLaunching +{ + XClipboardDataSet clip; +} +@end + +// CHECK: [[mClipData:%.*]] = getelementptr inbounds %class.XClipboardDataSet* +// CHECK: [[ZERO:%.*]] = load %struct._class_t** @"\01L_OBJC_CLASSLIST_REFERENCES_$_" +// CHECK: [[ONE:%.*]] = load i8** @"\01L_OBJC_SELECTOR_REFERENCES_" +// CHECK: [[TWO:%.*]] = bitcast %struct._class_t* [[ZERO]] to i8* +// CHECK: [[CALL:%.*]] = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*)*)(i8* [[TWO]], i8* [[ONE]]) +// CHECK: [[THREE:%.*]] = bitcast i8* [[CALL]] to [[T:%.*]]* +// CHECK: store [[T]]* [[THREE]], [[T]]** [[mClipData]], align 8 +