This is to address p0403r0 proposal.
|189–190 ↗||(On Diff #78602)|
I don't see a need for a custom diagnostic for this. Using our normal "reserved ud-suffix" diagnostic seems fine, and it doesn't make sense to treat this suffix as a hard error but accept all the rest with a warning.
Just make this call NumericLiteralParser::isValidUDSuffix and then check for the sv case. All the numeric suffixes are also valid string literal suffixes for the form operator""suffix.
This makes sense for the call sites we currently have.
Don't really understand this part. It seems inconsistent if one calls, say,