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libstdc++: Add test for LWG Issue 3897

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Add a test to verify that the implementation of inout_ptr is not
vulnerable to LWG Issue 3897.

libstdc++-v3/ChangeLog:

	* testsuite/20_util/smartptr.adapt/inout_ptr/2.cc: Add check
	for LWG Issue 3897.

Co-authored-by: Jonathan Wakely <jwakely@redhat.com>
This commit is contained in:
Will Hawkins 2023-12-04 20:59:44 +00:00 • committed by Jonathan Wakely
parent e5153e7d63
commit 9fff752695
1 changed files with 15 additions and 0 deletions
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15
libstdc++-v3/testsuite/20_util/smartptr.adapt/inout_ptr/2.cc
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@ -96,7 +96,22 @@ test_unique_ptr()
VERIFY( upbd->id == 2 );
}
void
test_lwg3897()
{
// Verify that implementation handles LWG Issue 3897
auto nuller = [](int** p) {
delete *p;
*p = nullptr;
};
int* i = new int{5};
nuller(std::inout_ptr(i));
VERIFY( i == nullptr );
}
int main()
{
test_unique_ptr();
test_lwg3897();
}