segmentation fault in t-toom53 test with MAC OS X Catalina (Clang 11.0)

Hans Åberg haberg-1 at
Tue Oct 8 22:44:08 UTC 2019

> On 8 Oct 2019, at 23:59, Torbjörn Granlund <tg at> wrote:
> Juergen Reuter <juergen.reuter at> writes:
>  Please let me know any further information you need.
> This is almost surely a compiler bug.  We have encountered countless of
> bugs in clang since it showed up.  We have up-to-date apple systems for
> running GMP tests, but your clang seems to be newer than what we have.

One can take down a Clang 8 binary which might be newer than the inhouse one.

> I suggest that you install gcc on your system.  It might be a pain to
> compile if you only have a buggy clang on your system, but I believe
> there are precompiled gcc ready to download.

One suggestion is MacPorts which has not yet been updated for this MacOS 10.15.

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