[Bug preprocessor/118700] Include resolution changes when using -isystem and some headers are symlinks between directories where one is a prefix of the other

[christian.menard at gmx dot de via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118700

--- Comment #1 from Christian Menard <christian.menard at gmx dot de> ---
Created attachment 60330
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60330&action=edit
Minimal example to reproduce