File: 2008-11-25-Blocks.m

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// RUN: %clang_cc1 -Wno-error=return-type -fblocks -emit-llvm %s -o /dev/null

@interface bork
- (id)B:(void (^)(void))blk;
- (void)C;
@end
@implementation bork
- (id)B:(void (^)(void))blk {
  __attribute__((__blocks__(byref))) bork* new = ((void *)0);
  blk();
}
- (void)C {
  __attribute__((__blocks__(byref))) id var;
  [self B:^(void) {}];
}
@end