[PATCH] gdb/source.c: Fix undefined behaviour dereferencing empty string

[Magne Hov]

On Tue, Sep 20 2022, Tom Tromey wrote:

> I wonder if this code should be changed to use path_join instead.
> That function doesn't seem to have this bug:

Good point, I've rerun the test suite and I will send an updated patch.

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Magne Hov | Software Engineer | Direct: +44 7395 395 648 | mhov@undo.io

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