[Bug middle-end/69454] [6 Regression] ix86_expand_prologue internal compiler error: Segmentation fault

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69454

--- Comment #14 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Have you tried H.J's patch?  If I understand it right, IMHO at least the
*mov<mode>_internal changes look desirable to me after the recent changes where
misaligned_operand matters even for pre-AVX, and the result could be that if
the stack can't be realigned and -mpreferred-stack-boundary is low, worst case
there will be unaligned loads/stores to the stack slots instead of aligned
ones.