[PATCH] Integrated assembler incorrectly lexes ARM-style comments

[Tim Northover]

> Am I missing something or does this actually break handling for PLT and GOT
> relative symbols?  (e.g. sym at GOT).  This would prevent usage of the IAS with
> PIC code for ELF targets then I suspect.

ARM assembly uses sym(GOT) for this reason. He's recently added proper
end-to-end support for that. I really want to know what was going
through the mind of the person who originally decided @ would be a
good comment character.

Cheers.

Tim.