[bug #61073] [groff]: SEGV with a single option as input

[G. Branden Robinson]

Update of bug #61073 (project groff):

                  Status:                    None => Need Info              
                 Summary: ~/git/build/groff: dumps memory with a single option
as input => [groff]: SEGV with a single option as input

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Follow-up Comment #1:

I can't reproduce this with groff 1.22.4 from Debian or groff Git HEAD.  In
both cases "groff -z /dev/null" produces empty output and exits with status
0.

> As I compile groff differently as other,

I assume this means that you have unusual CFLAGS and/or CXXFLAGS in your
build.

I need to know what these are.  The GDB backtrace doesn't tell me much.  I
_guess_ that somehow a bad argument pointer is being passed to one of the
diagnostic functions but I would prefer not to guess.

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