Fedora rawhide recently upgraded to binutils 2.29 and this seems
to produce new warnings:
./arch/arm64/include/asm/assembler.h: Assembler messages:
./arch/arm64/include/asm/assembler.h:125: Warning: ignoring attempt to redefine
built-in register 'lr'
* Register aliases.
lr .req x30 // link register
has an example log. As far as I can tell this doesn't affect anything at