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// Regression test to make sure we don't crash when dispatch_after is called with a NULL queue.
// RUN: %clang_tsan %s -o %t -framework Foundation
// RUN: %run %t 2>&1 | FileCheck %s
#import <Foundation/Foundation.h>
int main(int argc, const char *argv[]) {
fprintf(stderr, "start\n");
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(10 * NSEC_PER_MSEC)), NULL, ^{
dispatch_async(dispatch_get_main_queue(), ^{
CFRunLoopStop(CFRunLoopGetMain());
});
});
CFRunLoopRun();
fprintf(stderr, "done\n");
return 0;
}
// CHECK: start
// CHECK: done
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