https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91703
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |avr
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2019-09-09
Component|ada |middle-end
Host| |mingw64
Version|unknown |5.4.0
Ever confirmed|0 |1
Build| |mingw64
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Guessing some bits. Note GCC 5 is no longer supported, you should look for a
newer version of the AVR toolchain.