[Bug c++/123879] [16 Regression] -std=c++26 --compile-std-module -fmodules fails with installed GCC

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123879

--- Comment #2 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Started with the #include -> import std redirection patch
r16-6012-g9783f6f2f67f94