[PATCH] fhandler_pipe: add sanity limit to handle loops

[Jon Turney]

On 24/12/2021 00:29, Jeremy Drake via Cygwin-patches wrote:
> again, so I can't confirm this.  I took a core with 'dumper' but gdb
> doesn't want to load it (it says Core file format not supported, maybe
> something with msys2's gdb?).

I think you need gdb 11 (for this patch set [1], which is also in 
cygwin's  gdb 10 package) to read x86_64 cygwin core dumps.

[1] https://sourceware.org/pipermail/gdb-patches/2020-August/171232.html