| // RUN: %clang_analyze_cc1 -triple x86_64-apple-darwin9 -analyzer-checker=core,osx -analyzer-store=region -verify -fblocks -analyzer-opt-analyze-nested-blocks %s |
| // expected-no-diagnostics |
| |
| // Test handling of OSAtomicCompareAndSwap when C++ inserts "no-op" casts and we |
| // do a forced load and binding to the environment on an expression that would regularly |
| // not have an environment binding. This previously triggered a crash (<rdar://problem/9339920>). |
| // NOTE: It is critical that the function called is OSAtomicCompareAndSwapIntBarrier. |
| bool OSAtomicCompareAndSwapIntBarrier( int __oldValue, int __newValue, volatile int *__theValue ) ; |
| static int _rdar9339920_x = 0; |
| int rdar9339920_aux(); |
| |
| int rdar9339920_test() { |
| int rdar9339920_x = rdar9339920_aux(); |
| if (rdar9339920_x != _rdar9339920_x) { |
| if (OSAtomicCompareAndSwapIntBarrier(_rdar9339920_x, rdar9339920_x, &_rdar9339920_x)) |
| return 1; |
| } |
| return 0; |
| } |
| |
