[Bug rtl-optimization/88001] ASMCONS cannot handle properly UNSPEC(CONST)

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88001

--- Comment #10 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Sure this can be backported...  But can you fill in known-to-{work,fail}
then please?  Thanks.