net-fs/cifs-utils-7.0-r1 overwrites CFLAGS/CXXFLAGS or adds uncommon ones

[asarubbo]

https://blogs.gentoo.org/ago/2020/07/04/gentoo-tinderbox/

Issue: net-fs/cifs-utils-7.0-r1 overwrites CFLAGS/CXXFLAGS or adds uncommon ones.
Discovered on: amd64 (internal ref: pentoo_tinderbox)
System: GCC-14-SYSTEM (https://wiki.gentoo.org/wiki/Project:Tinderbox/Common_Issues_Helper#GCC-14)

Info about the issue:
https://wiki.gentoo.org/wiki/Project:Tinderbox/Common_Issues_Helper#QA0069

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build log: https://gist.github.com/asarubbo/c54c9e44bc8d8b7cd8a0a5e0441aa6fd

[blshkv]

Please report to bugs.gentoo.org. net-fs/cifs-utils was removed the overlay.