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      1 // REQUIRES: x86-registered-target
      2 // RUN: %clang_cc1 -triple i386-apple-darwin10 -fblocks -g -S %s -o -
      3 
      4 // rdar://7590323
      5 typedef struct dispatch_queue_s *dispatch_queue_t;
      6 __attribute__((visibility("default")))
      7 extern struct dispatch_queue_s _dispatch_main_q;
      8 typedef struct dispatch_item_s *dispatch_item_t;
      9 typedef void (^dispatch_legacy_block_t)(dispatch_item_t);
     10 dispatch_item_t LEGACY_dispatch_call(dispatch_queue_t dq,
     11                                      dispatch_legacy_block_t dispatch_block,
     12                                      dispatch_legacy_block_t callback_block) {
     13   dispatch_queue_t lq = _dispatch_queue_get_current() ?: (&_dispatch_main_q);
     14   dispatch_async(dq, ^{
     15       if (callback_block) {
     16         dispatch_async(lq, ^{
     17           }
     18           );
     19       }
     20     }
     21     );
     22 }
     23 
     24 // radar://9008853
     25 typedef struct P {
     26   int x;
     27 } PS;
     28 # 1 ""
     29 void foo() {
     30   PS p2;
     31 }
     32