https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121968
--- Comment #6 from Liam Powell <liam at liampwll dot com> --- > Moreover, external files are missing, we need a self-contained reproducer Attached above. `gcc -gnat2022 -c prunt-controller.adb` will trigger the bug. This also appears to produce a different bug box on trunk, but that may just be caused by my environment not being configured correctly: +===========================GNAT BUG DETECTED==============================+ | 16.0.0 20250916 (experimental) (x86_64-pc-linux-gnu) Assert_Failure failed precondition from einfo-entities.ads:219| | Error detected at prunt-controller.ads:261:42 | | Compiling prunt-controller.adb | | Please submit a bug report; see https://gcc.gnu.org/bugs/ . | | Use a subject line meaningful to you and us to track the bug. | | Include the entire contents of this bug box in the report. | | Include the exact command that you entered. | | Also include sources listed below. | +==========================================================================+