98 lines
2.6 KiB
Objective-C
98 lines
2.6 KiB
Objective-C
// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -fblocks -verify -Wno-objc-root-class %s
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// rdar://9535237
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typedef struct dispatch_queue_s *dispatch_queue_t;
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typedef void (^dispatch_block_t)(void);
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void dispatch_async(dispatch_queue_t queue, dispatch_block_t block);
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extern __attribute__((visibility("default"))) struct dispatch_queue_s _dispatch_main_q;
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@interface SwitchBlockCrashAppDelegate
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- (void)pageLeft;
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- (void)pageRight;;
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@end
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@implementation SwitchBlockCrashAppDelegate
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- (void)choose:(int)button {
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switch (button) {
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case 0:
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dispatch_async((&_dispatch_main_q), ^{ [self pageLeft]; }); // expected-note 3 {{jump enters lifetime of block which strongly captures a variable}}
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break;
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case 2: // expected-error {{cannot jump}}
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dispatch_async((&_dispatch_main_q), ^{ [self pageRight]; }); // expected-note 2 {{jump enters lifetime of block which strongly captures a variable}}
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break;
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case 3: // expected-error {{cannot jump}}
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{
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dispatch_async((&_dispatch_main_q), ^{ [self pageRight]; });
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break;
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}
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case 4: // expected-error {{cannot jump}}
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break;
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}
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__block SwitchBlockCrashAppDelegate *captured_block_obj;
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switch (button) {
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case 10:
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{
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dispatch_async((&_dispatch_main_q), ^{ [self pageLeft]; });
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break;
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}
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case 12:
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if (button)
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dispatch_async((&_dispatch_main_q), ^{ [captured_block_obj pageRight]; });
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break;
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case 13:
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while (button)
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dispatch_async((&_dispatch_main_q), ^{ [self pageRight]; });
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break;
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case 14:
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break;
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}
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switch (button) {
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case 10:
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{
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dispatch_async((&_dispatch_main_q), ^{ [self pageLeft]; });
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break;
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}
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case 12:
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if (button)
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dispatch_async((&_dispatch_main_q), ^{ [self pageRight]; });
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switch (button) {
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case 0:
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{
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dispatch_async((&_dispatch_main_q), ^{ [self pageLeft]; });
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break;
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}
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case 4:
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break;
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}
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break;
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case 13:
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while (button)
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dispatch_async((&_dispatch_main_q), ^{ [self pageRight]; });
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break;
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case 14:
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break;
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}
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}
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- (void)pageLeft {}
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- (void)pageRight {}
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@end
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// Test 2. rdar://problem/11150919
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int test2(id obj, int state) { // expected-note {{jump enters lifetime of block}} FIXME: weird location
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switch (state) {
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case 0:
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(void) ^{ (void) obj; };
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return 0;
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default: // expected-error {{cannot jump}}
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return 1;
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}
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}
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