[Bug target/65689] [5 Regression][AArch64] S constraint fails for inline asm at -O0

[jgreenhalgh at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65689

--- Comment #14 from James Greenhalgh <jgreenhalgh at gcc dot gnu.org> ---
Jakub, were you planning to backport this fix to 5.4, or would you like me to
do it?