[clang] [Clang] add wraps and no_wraps attributes (PR #115094)

[Justin Stitt via cfe-commits]

JustinStitt wrote:

RFC regarding canonical wrapping/non-wrapping types in Clang: https://discourse.llvm.org/t/rfc-clang-canonical-wrapping-and-non-wrapping-types/84356

Ultimately, a type like what the RFC describes would supersede this PR in terms of feature completeness and usefulness. I'll close this PR if that RFC suggests a new direction is required.

pings:
@erichkeane pinging you because you asked about an RFC.

https://github.com/llvm/llvm-project/pull/115094