forked from OSchip/llvm-project
85 lines
2.3 KiB
Objective-C
85 lines
2.3 KiB
Objective-C
// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -fblocks -verify %s
|
|
// rdar://9535237
|
|
|
|
typedef struct dispatch_queue_s *dispatch_queue_t;
|
|
|
|
typedef void (^dispatch_block_t)(void);
|
|
|
|
void dispatch_async(dispatch_queue_t queue, dispatch_block_t block);
|
|
|
|
extern __attribute__((visibility("default"))) struct dispatch_queue_s _dispatch_main_q;
|
|
|
|
@interface SwitchBlockCrashAppDelegate
|
|
- (void)pageLeft;
|
|
- (void)pageRight;;
|
|
@end
|
|
|
|
@implementation SwitchBlockCrashAppDelegate
|
|
|
|
- (void)choose:(int)button {
|
|
switch (button) {
|
|
case 0:
|
|
dispatch_async((&_dispatch_main_q), ^{ [self pageLeft]; }); // expected-note 3 {{jump enters lifetime of block which strongly captures a variable}}
|
|
break;
|
|
case 2: // expected-error {{switch case is in protected scope}}
|
|
dispatch_async((&_dispatch_main_q), ^{ [self pageRight]; }); // expected-note 2 {{jump enters lifetime of block which strongly captures a variable}}
|
|
break;
|
|
case 3: // expected-error {{switch case is in protected scope}}
|
|
{
|
|
dispatch_async((&_dispatch_main_q), ^{ [self pageRight]; });
|
|
break;
|
|
}
|
|
case 4: // expected-error {{switch case is in protected scope}}
|
|
break;
|
|
}
|
|
|
|
__block SwitchBlockCrashAppDelegate *captured_block_obj;
|
|
switch (button) {
|
|
case 10:
|
|
{
|
|
dispatch_async((&_dispatch_main_q), ^{ [self pageLeft]; });
|
|
break;
|
|
}
|
|
case 12:
|
|
if (button)
|
|
dispatch_async((&_dispatch_main_q), ^{ [captured_block_obj pageRight]; });
|
|
break;
|
|
case 13:
|
|
while (button)
|
|
dispatch_async((&_dispatch_main_q), ^{ [self pageRight]; });
|
|
break;
|
|
case 14:
|
|
break;
|
|
}
|
|
|
|
switch (button) {
|
|
case 10:
|
|
{
|
|
dispatch_async((&_dispatch_main_q), ^{ [self pageLeft]; });
|
|
break;
|
|
}
|
|
case 12:
|
|
if (button)
|
|
dispatch_async((&_dispatch_main_q), ^{ [self pageRight]; });
|
|
switch (button) {
|
|
case 0:
|
|
{
|
|
dispatch_async((&_dispatch_main_q), ^{ [self pageLeft]; });
|
|
break;
|
|
}
|
|
case 4:
|
|
break;
|
|
}
|
|
break;
|
|
case 13:
|
|
while (button)
|
|
dispatch_async((&_dispatch_main_q), ^{ [self pageRight]; });
|
|
break;
|
|
case 14:
|
|
break;
|
|
}
|
|
}
|
|
- (void)pageLeft {}
|
|
- (void)pageRight {}
|
|
@end
|