[clang] [clang-repl] Lay the foundation of pretty printing for C. (PR #89811)

[David Spickett via cfe-commits]

DavidSpickett wrote:

It is a 32 bit container running on an arm64 host. As far as the compiler and tests know, it's a 32 bit system.

> But in either case the width of the int type should be the same, right?

Yes.

So I am wondering if someone of the assumptions about types being larger than one another do not hold on 32 bit. Or your change has exposed an existing issue, it wouldn't be the first time.

https://github.com/llvm/llvm-project/pull/89811