[clang] [Clang] Make the result type of sizeof/pointer subtraction/size_t lit… (PR #136542)

[Matheus Izvekov via cfe-commits]

mizvekov wrote:

> The main purpose is for these expressions, with templates being just one possible beneficiary.

Sure, but outside of templates, all forms of type sugar are preserved just fine in the current implementation, so there would be no particular reason to pursue a different builtin type.

https://github.com/llvm/llvm-project/pull/136542