[Bug ada/91995] gnat miscompilation and bootstrap failure on m68k-linux

[mikpelinux at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91995

--- Comment #1 from Mikael Pettersson <mikpelinux at gmail dot com> ---
Created attachment 46997
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46997&action=edit
Workaround patch

Patch which avoids the miscompilation by changing the source code to replace
these formal-with-defaults with plain formals without defaults.  This is merely
a workaround, I'm not suggesting this as the proper fix for upstream.