[Bug target/79058] [7 Regression] ARM: internal compiler error: in extract_constrain_insn, at recog.c:2213

[vmakarov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79058

--- Comment #26 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
(In reply to Dominik Vogt from comment #24)
> While you're at it ... does it have the same or a similar cause as the Avr
> bug?
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78883
> 
> (A HImode quantity got allocated to r31+r32 (r31 is the last hardreg), in
> presence of a paradoxical subreg of memory.)

It might be.

As for the current PR, the problem was in wrong IRA (not LRA) assignment.