[cfe-users] Clang9 UBSan and GMP

David Blaikie via cfe-users cfe-users at lists.llvm.org
Fri Oct 25 15:32:01 PDT 2019

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 Ã…berg <haberg-1 at 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 <dblaikie at 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)
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