glibc test time regression after gawk update

[Sam James]

Florian Weimer <fweimer@redhat.com> writes:

> It looks like we have a very substantial test time regression in glibc
> after a gawk update.  Based on quick poking with GDB, it may be related
> to the MinRX change in gawk 5.4.0.
>
> This is the script:
>
>   <https://sourceware.org/cgit/glibc/tree/stdio-common/tst-printf-format.awk>
>
> Is this expected?  The input files can be quite large, with very long
> lines, too.
>
> I suppose we can switch back to the old matcher (will that remain
> available?), or maybe run it under the C locale.

Maciej, can you take a look? I suspect you're best placed to try reduce
something here as you're the author of the tests.

>
> Thanks,
> Florian
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