| // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -fobjc-runtime-has-weak -o - %s | FileCheck %s | |
| __attribute((objc_root_class)) @interface A @end | |
| @interface B : A @end | |
| // Ensure that type differences don't cause an assert here. | |
| void test0(__weak B **src) { | |
| __weak A *dest = *src; | |
| } | |
| // CHECK-LABEL: define{{.*}} void @test0 | |
| // CHECK: [[SRC:%.*]] = alloca ptr, align 8 | |
| // CHECK: [[DEST:%.*]] = alloca ptr, align 8 | |
| // CHECK: [[T0:%.*]] = load ptr, ptr [[SRC]], align 8 | |
| // CHECK-NEXT: call void @llvm.objc.copyWeak(ptr [[DEST]], ptr [[T0]]) | |
| // CHECK: call void @llvm.objc.destroyWeak(ptr [[DEST]]) |