[Bug debug/86687] Wrong debug information for string types passed as parameters

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687

--- Comment #13 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Nikolay Piskun from comment #12)
> Great work, thanks. Will this fix propagate to other branches?

Patch was OK-ed for "trunk and also for branches after a while".