https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120895
--- Comment #17 from David C. Partridge <david.partridge at perdrix dot co.uk> --- So the problem would appear to be (if I read this right) that the default alignment in 13.1 was 16 and that changed in later versions to 64 - is that a correct interpretation of the results the people are reporting?