| John McCall | d1e40d5 | 2011-10-02 01:16:38 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -fblocks -verify %s |
| Fariborz Jahanian | 4e7c7f2 | 2011-07-11 18:04:54 +0000 | [diff] [blame] | 2 | // rdar://9535237 |
| 3 | |
| 4 | typedef struct dispatch_queue_s *dispatch_queue_t; |
| 5 | |
| 6 | typedef void (^dispatch_block_t)(void); |
| 7 | |
| 8 | void dispatch_async(dispatch_queue_t queue, dispatch_block_t block); |
| 9 | |
| 10 | extern __attribute__((visibility("default"))) struct dispatch_queue_s _dispatch_main_q; |
| 11 | |
| 12 | @interface SwitchBlockCrashAppDelegate |
| 13 | - (void)pageLeft; |
| 14 | - (void)pageRight;; |
| 15 | @end |
| 16 | |
| 17 | @implementation SwitchBlockCrashAppDelegate |
| 18 | |
| 19 | - (void)choose:(int)button { |
| 20 | switch (button) { |
| 21 | case 0: |
| 22 | dispatch_async((&_dispatch_main_q), ^{ [self pageLeft]; }); // expected-note 3 {{jump enters lifetime of block which strongly captures a variable}} |
| 23 | break; |
| 24 | case 2: // expected-error {{switch case is in protected scope}} |
| 25 | dispatch_async((&_dispatch_main_q), ^{ [self pageRight]; }); // expected-note 2 {{jump enters lifetime of block which strongly captures a variable}} |
| 26 | break; |
| 27 | case 3: // expected-error {{switch case is in protected scope}} |
| 28 | { |
| 29 | dispatch_async((&_dispatch_main_q), ^{ [self pageRight]; }); |
| 30 | break; |
| 31 | } |
| 32 | case 4: // expected-error {{switch case is in protected scope}} |
| 33 | break; |
| 34 | } |
| 35 | |
| 36 | __block SwitchBlockCrashAppDelegate *captured_block_obj; |
| 37 | switch (button) { |
| 38 | case 10: |
| 39 | { |
| 40 | dispatch_async((&_dispatch_main_q), ^{ [self pageLeft]; }); |
| 41 | break; |
| 42 | } |
| 43 | case 12: |
| 44 | if (button) |
| 45 | dispatch_async((&_dispatch_main_q), ^{ [captured_block_obj pageRight]; }); |
| 46 | break; |
| 47 | case 13: |
| 48 | while (button) |
| 49 | dispatch_async((&_dispatch_main_q), ^{ [self pageRight]; }); |
| 50 | break; |
| 51 | case 14: |
| 52 | break; |
| 53 | } |
| 54 | |
| 55 | switch (button) { |
| 56 | case 10: |
| 57 | { |
| 58 | dispatch_async((&_dispatch_main_q), ^{ [self pageLeft]; }); |
| 59 | break; |
| 60 | } |
| 61 | case 12: |
| 62 | if (button) |
| 63 | dispatch_async((&_dispatch_main_q), ^{ [self pageRight]; }); |
| 64 | switch (button) { |
| 65 | case 0: |
| 66 | { |
| 67 | dispatch_async((&_dispatch_main_q), ^{ [self pageLeft]; }); |
| 68 | break; |
| 69 | } |
| 70 | case 4: |
| 71 | break; |
| 72 | } |
| 73 | break; |
| 74 | case 13: |
| 75 | while (button) |
| 76 | dispatch_async((&_dispatch_main_q), ^{ [self pageRight]; }); |
| 77 | break; |
| 78 | case 14: |
| 79 | break; |
| 80 | } |
| 81 | } |
| 82 | - (void)pageLeft {} |
| 83 | - (void)pageRight {} |
| 84 | @end |