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      1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -fobjc-arc -x objective-c %s.result
      2 // RUN: arcmt-test --args -triple x86_64-apple-darwin10 -fsyntax-only -x objective-c %s > %t
      3 // RUN: diff %t %s.result
      4 // DISABLE: mingw32
      5 
      6 @interface NSAutoreleasePool
      7 - drain;
      8 +new;
      9 +alloc;
     10 -init;
     11 -autorelease;
     12 - release;
     13 @end
     14 
     15 void NSLog(id, ...);
     16 
     17 void test1(int x) {
     18   // All this stuff get removed since nothing is happening inside.
     19   NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
     20   NSAutoreleasePool *chunkPool = [[NSAutoreleasePool alloc] init];
     21   while (x) {
     22     chunkPool = [[NSAutoreleasePool alloc] init];
     23     [chunkPool release];
     24   }
     25 
     26   [chunkPool drain];
     27   [pool drain];
     28 }
     29 
     30 void test2(int x) {
     31   NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
     32   NSAutoreleasePool *chunkPool = [[NSAutoreleasePool alloc] init];
     33   while (x) {
     34     chunkPool = [[NSAutoreleasePool alloc] init];
     35     ++x;
     36     [chunkPool release];
     37   }
     38 
     39   [chunkPool drain];
     40   [pool drain];
     41 }
     42