https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100486
--- Comment #69 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-11 branch has been updated by Eric Botcazou <ebotca...@gcc.gnu.org>: https://gcc.gnu.org/g:40b209e340b610248f9b1eec082f6b1ff734a2d0 commit r11-9177-g40b209e340b610248f9b1eec082f6b1ff734a2d0 Author: Arnaud Charlet <char...@adacore.com> Date: Wed Oct 20 10:23:40 2021 +0200 Avoid exception propagation during bootstrap This addresses PR ada/100486, which is the bootstrap failure of GCC 11 for 32-bit Windows in the MSYS setup. The PR shows that we cannot rely on exception propagation being operational during the bootstrap, at least on the 11 branch, so fix this by removing the problematic raise statement. gcc/ada/ PR ada/100486 * sem_prag.adb (Check_Valid_Library_Unit_Pragma): Do not raise an exception as part of the bootstrap.