1*f4a2713aSLionel Sambuc// RUN: %clang_cc1 -x objective-c++ -fblocks -fms-extensions -rewrite-objc -fobjc-runtime=macosx-fragile-10.5 %s -o %t-rw.cpp 2*f4a2713aSLionel Sambuc// RUN: FileCheck -check-prefix CHECK-LP --input-file=%t-rw.cpp %s 3*f4a2713aSLionel Sambuc// radar 7575882 4*f4a2713aSLionel Sambuc 5*f4a2713aSLionel Sambuc@interface F { 6*f4a2713aSLionel Sambuc int supervar; 7*f4a2713aSLionel Sambuc} 8*f4a2713aSLionel Sambuc@end 9*f4a2713aSLionel Sambuc 10*f4a2713aSLionel Sambuc@interface G : F { 11*f4a2713aSLionel Sambuc@public 12*f4a2713aSLionel Sambuc int ivar; 13*f4a2713aSLionel Sambuc} 14*f4a2713aSLionel Sambuc@end 15*f4a2713aSLionel Sambuc 16*f4a2713aSLionel Sambuc@implementation G 17*f4a2713aSLionel Sambuc- (void)foo:(F *)arg { 18*f4a2713aSLionel Sambuc int q = arg->supervar; 19*f4a2713aSLionel Sambuc int v = ((G *)arg)->ivar; 20*f4a2713aSLionel Sambuc} 21*f4a2713aSLionel Sambuc@end 22*f4a2713aSLionel Sambuc 23*f4a2713aSLionel Sambucvoid objc_assign_strongCast(id); 24*f4a2713aSLionel Sambucvoid __CFAssignWithWriteBarrier(void **location, void *value) { 25*f4a2713aSLionel Sambuc objc_assign_strongCast((id)value); 26*f4a2713aSLionel Sambuc} 27*f4a2713aSLionel Sambuc 28*f4a2713aSLionel Sambuc// radar 7607605 29*f4a2713aSLionel Sambuc@interface RealClass { 30*f4a2713aSLionel Sambuc @public 31*f4a2713aSLionel Sambuc int f; 32*f4a2713aSLionel Sambuc} 33*f4a2713aSLionel Sambuc@end 34*f4a2713aSLionel Sambuc 35*f4a2713aSLionel Sambuc@implementation RealClass 36*f4a2713aSLionel Sambuc@end 37*f4a2713aSLionel Sambuc 38*f4a2713aSLionel Sambuc@interface Foo { 39*f4a2713aSLionel Sambuc id reserved; 40*f4a2713aSLionel Sambuc} 41*f4a2713aSLionel Sambuc@end 42*f4a2713aSLionel Sambuc 43*f4a2713aSLionel Sambuc@implementation Foo 44*f4a2713aSLionel Sambuc- (void)bar { 45*f4a2713aSLionel Sambuc ((RealClass*)reserved)->f = 99; 46*f4a2713aSLionel Sambuc} 47*f4a2713aSLionel Sambuc@end 48*f4a2713aSLionel Sambuc 49*f4a2713aSLionel Sambuc// CHECK-LP: ((struct G_IMPL *)arg)->ivar 50*f4a2713aSLionel Sambuc 51*f4a2713aSLionel Sambuc// CHECK-LP: objc_assign_strongCast((id)value) 52*f4a2713aSLionel Sambuc 53*f4a2713aSLionel Sambuc// CHECK-LP: ((struct RealClass_IMPL *)((RealClass *)((struct Foo_IMPL *)self)->reserved))->f 54