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As mentioned in the PR, we shouldn't treat non-replaceable operator new/delete (e.g. with the placement new) as replaceable ones. There is some pending discussion that perhaps operator delete called from delete if not replaceable should return some other fnspec, but can we handle that incrementally, fix this wrong-code and then deal with a missed optimization? I really don't know what exactly should be returned. 2020-12-04 Jakub Jelinek <jakub@redhat.com> PR c++/98130 * gimple.c (gimple_call_fnspec): Only return ".co " for replaceable operator delete or ".mC" for replaceable operator new called from new/delete. * g++.dg/opt/pr98130.C: New test.
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