[clang] [clang][bytecode] Print 8 bit integers as 32 bit in Function::dump() (PR #156858)

[Shafik Yaghmour via cfe-commits]

shafik wrote:

> This only changes debugging output so there are no tests for it.

So it looks like this output is only used for `dump()` functions, makes sense.

https://github.com/llvm/llvm-project/pull/156858