llvm-for-llvmta/tools/clang/test/Analysis/temporaries.mm

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// RUN: %clang_analyze_cc1 -std=c++14 -analyzer-checker core,cplusplus -verify %s
// expected-no-diagnostics
#define nil ((id)0)
// Stripped down unique_ptr<int>
struct IntPtr {
IntPtr(): i(new int) {}
IntPtr(IntPtr &&o): i(o.i) { o.i = nullptr; }
~IntPtr() { delete i; }
int *i;
};
@interface Foo {}
-(void) foo: (IntPtr)arg;
@end
void testArgumentRegionInvalidation(Foo *f) {
IntPtr ptr;
int *i = ptr.i;
[f foo: static_cast<IntPtr &&>(ptr)];
*i = 99; // no-warning
}
void testNilReceiverCleanup() {
[nil foo: IntPtr()];
}