Fariborz Jahanian | f5eac48 | 2012-05-02 17:34:59 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fblocks -rewrite-objc -fms-extensions %s -o %t-rw.cpp |
| 2 | // RUN: %clang_cc1 -Werror -fsyntax-only -Wno-address-of-temporary -Wno-c++11-narrowing -std=c++11 -D"Class=void*" -D"id=void*" -D"SEL=void*" -U__declspec -D"__declspec(X)=" %t-rw.cpp |
| 3 | // rdar://11323187 |
| 4 | |
| 5 | typedef unsigned long NSUInteger; |
| 6 | |
| 7 | typedef struct _NSRange { |
| 8 | NSUInteger location; |
| 9 | NSUInteger length; |
| 10 | } NSRange; |
| 11 | |
| 12 | typedef struct { |
| 13 | NSUInteger _capacity; |
| 14 | NSRange _ranges[0]; |
| 15 | } _NSRangeInfo; |
| 16 | |
| 17 | @interface Foo{ |
| 18 | @protected |
| 19 | struct _bar { |
| 20 | int x:1; |
| 21 | int y:1; |
| 22 | } bar; |
| 23 | union { |
| 24 | struct { |
| 25 | NSRange _range; |
| 26 | } _singleRange; |
| 27 | struct { |
| 28 | void * _data; |
| 29 | void *_reserved; |
| 30 | } _multipleRanges; |
| 31 | } _internal; |
| 32 | } |
| 33 | @end |
| 34 | @implementation Foo |
| 35 | - (void)x:(Foo *)other { |
| 36 | bar.x = 0; |
| 37 | bar.y = 1; |
| 38 | self->_internal._singleRange._range = (( other ->bar.x) ? &( other ->_internal._singleRange._range) : ((NSRange *)(&(((_NSRangeInfo *)( other ->_internal._multipleRanges._data))->_ranges))))[0]; |
| 39 | } |
| 40 | @end |
| 41 | @interface FooS : Foo |
| 42 | @end |
| 43 | @implementation FooS |
| 44 | - (void)y { |
| 45 | |
| 46 | NSUInteger asdf = (( self ->bar.x) ? 1 : ((_NSRangeInfo *)( self ->_internal._multipleRanges._data))->_capacity ); |
| 47 | } |
| 48 | @end |