Is this what you mean?
More or less.
I don't think that gud-comint-buffer should be set to
nil because that would prevent the GDB session from recovering.
Perhaps you should add a new variable, which you can set if you catch
an error, to disable this hook from really doing anything once it has
had an error.
> Why call find-file-noselect there? If this is meant to operate on the
> file that was just visited, it already has a buffer, and it is the
> current buffer when gdb-find-file-hook runs. Why not just use
> that buffer?
That might have been true but I'm now using this function to address Kim's
point about enabling gud-minor-mode for existing buffers.
It sounds like you are in all cases trying to find an existing buffer.
So instead of using find-file-noselect, you could use
find-buffer-visiting.
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