[Bug target/83801] [8 Regression][avr] String constant in __flash not put into .progmem

[gjl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83801

--- Comment #2 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
Created attachment 43107
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43107&action=edit
proposed patch