[clang] [clang-tools-extra] [clang-tidy] bugprone-implicit-widening ignores unsigned consts (PR #101073)

[Chris Warner via cfe-commits]

cwarner-8702 wrote:

> There should definitely be a test in the clang side of things to ensure correct handling of the Expr::getIntegerConstantExpr method with this new parameter

100% agree.  What would be a good way to verify handling of it when the flag shouldn't the compiled output?

https://github.com/llvm/llvm-project/pull/101073