Hi, > From upstream's answer, it appears that clangs optimizers may reorganize > the code under the assumption that it's safe to divide by 0, i.e. that > the code will only run under the default floating-point environment. >
this is not reproducible on 3.8, and on 3.7 is reproducible as said only with O1 and O2 (I expect 3.7 to be removed from unstable in some days) G.
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