https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94109
--- Comment #4 from Antony Lewis <antony at cosmologist dot info> --- Not sure why no one has at least picked up on https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94361 since it is a reproducible regression with a simple test case, an a bug that effectively kills some previously-working code from 7.x updates onwards?