[Bug rtl-optimization/116780] [lra][avr] internal compiler error: output_operand: address operand requires constraint for X, Y, or Z register

[gjl at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116780

--- Comment #9 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
(In reply to Segher Boessenkool from comment #8)
> That is invalid C code, of course (an out of bounds access).
What about the other test case
https://gcc.gnu.org/bugzilla/attachment.cgi?id=59148 ?

That's from an already existing test case for PR64088, so why has an ICE been
fixed for that PR instead of closing it as invalid? -- Or ar least rejecting
that test case?