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Boosted by cstanhope@social.coop ("Your friendly 'net denizen"):
djb@cr.yp.to ("Daniel J. Bernstein") wrote:
The gcc/clang excuse for changing program behavior, often introducing bugs and security holes (see https://www.usenix.org/system/files/usenixsecurity23-xu-jianhao.pdf), is performance. But a new paper https://web.ist.utl.pt/nuno.lopes/pubs/ub-pldi25.pdf modifies clang to eliminate most (all?) such changes, and finds negligible effect on benchmarks.