[Bug driver/109627] [PATCH] driver: Extend 'getenv' function to allow default value

[keithp at keithp dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109627

--- Comment #1 from keithp at keithp dot com <keithp at keithp dot com> ---
This patch was submitted to the mailing list here:

https://gcc.gnu.org/pipermail/gcc-patches/2022-August/600452.html