Hans, it’s challenging to give sensible advice/guesses without knowing which test is failing. Maybe I missed this information in the replies (please CC the list if you want follow up answers from more than just David). I am not a GMP developer, but note that GMP is regularly tested with ubsan and results are included at https://gmplib.org/devel/tm/gmp/date.html <https://gmplib.org/devel/tm/gmp/date.html>.
> On Oct 25, 2019, at 15:32, David Blaikie via cfe-users > <cfe-users@lists.llvm.org> wrote: > > UBSan doesn't catch everything - you could also try ASan and/or valgrind, > etc. (MSan if you want, but that's a bit fussier/more work to use) > > On Fri, Oct 25, 2019 at 3:16 PM Hans Åberg <haber...@telia.com > <mailto:haber...@telia.com>> wrote: > That is the reason I tried the UBSan, but as it changes optimization, it does > not wrok. > > > > On 26 Oct 2019, at 00:14, David Blaikie <dblai...@gmail.com > > <mailto:dblai...@gmail.com>> wrote: > > > > Yeah, coming across compiler bugs does happen - but more often it's bugs in > > input programs. (one of the reasons compiler engineers aren't likely to > > jump on reproducing and reducing misbehaving programs, because on the odds, > > it's not a bug in the compiler) > > _______________________________________________ > cfe-users mailing list > cfe-users@lists.llvm.org > https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-users
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