[clang] [clang-format] Handle common C++ non-keyword types as such (PR #83709)

[Richard Smith via cfe-commits]

zygoloid wrote:

> It does fix the example given.

#83400 has 6 real-world examples. This patch fixes none of them. It also has a reduced testcase, which this patch does fix. But fixing the reduced testcase without fixing the real-world examples is not fixing the bug.


https://github.com/llvm/llvm-project/pull/83709