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// RUN: %clang_cc1 -triple x86_64-apple-darwin9 -analyze -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;
}
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