20 lines
908 B
C++
20 lines
908 B
C++
|
// RUN: %clang_cc1 -triple x86_64-apple-darwin9 -analyze -analyzer-checker=core,osx -analyzer-store=region -verify -fblocks -analyzer-opt-analyze-nested-blocks %s
|
||
|
|
|
||
|
|
// 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;
|
||
|
|
}
|
||
|
|
|