[gcc r14-9561] diagnostics: Fix behavior of permerror options after diagnostic pop [PR111918]

https://gcc.gnu.org/g:44ba7bcb752a40ec7490dea53d3a472ce633371d commit r14-9561-g44ba7bcb752a40ec7490dea53d3a472ce633371d Author: Lewis Hyatt Date: Wed Nov 8 16:13:14 2023 -0500 diagnostics: Fix behavior of permerror options after diagnostic pop [PR111918] When a diagnostic

[gcc r14-9465] libcpp: Fix macro expansion for argument of __has_include [PR110558]

https://gcc.gnu.org/g:942497ad74272e0ef16020d628e471c5f21474b0 commit r14-9465-g942497ad74272e0ef16020d628e471c5f21474b0 Author: Lewis Hyatt Date: Tue Dec 12 17:46:36 2023 -0500 libcpp: Fix macro expansion for argument of __has_include [PR110558] When the file name for a #include

[gcc r14-9464] libcpp: Fix __has_include_next ICE in the last directory of the path [PR80755]

https://gcc.gnu.org/g:6c166e55b15894ceb07dcc7b55f900e50e24ec5b commit r14-9464-g6c166e55b15894ceb07dcc7b55f900e50e24ec5b Author: Lewis Hyatt Date: Wed Dec 20 16:27:42 2023 -0500 libcpp: Fix __has_include_next ICE in the last directory of the path [PR80755] In libcpp/files.cc,