[Bug target/104219] riscv64-elf cross compiler build fails

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104219

Kito Cheng <kito at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2022-01-25
     Ever confirmed|0                           |1

--- Comment #2 from Kito Cheng <kito at gcc dot gnu.org> ---
That's definitely cause by the ISA spec bumping, I tested with binutils trunk
but didn't test with 2.37.

Let me fix that to make sure GCC work with older binutils release.