[Bug debug/109591] Multiple -fdebug-prefix-map= prefixes match, which one wins?

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109591

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|                            |documentation

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
It might be helpful to document this expected behavior (and maybe even add a
testcase?)