Using clang-format

[Simon Marchi]

On 2021-05-11 4:40 p.m., Tom Tromey wrote:
>>> gcc_type
>>> compile_cplus_instance::convert_reference_base (
>>> gcc_type base, enum gcc_cp_ref_qualifiers rquals)
>>>
>>> But really, I don't think these should be blockers.  It would take
>>> someone some really bad faith to say that the above changes how they
>>> read the code.
> 
> I don't agree, mainly because I dislike that style, and I feel like I'm
> generally above-board.

Ok, and sorry about my original formulation, when re-reading it it
sounds a bit strong.

Simon