https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97821
--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> --- Created attachment 52325 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52325&action=edit somewhat reduced testcase Somewhat reduced testcase. Note there are uninit diagnostics because we jump into the code skipping initialization for 'bi', 'bf' and 'ax'. Those might all be false positives and the partitions we coalesce do not involve those variables (but their init is conditionally skipped) Partition 3: size 4 align 4 bj k Partition 2: size 4 align 4 be av