[clang] [llvm] [Clang] Show inlining hints for __attribute__((warning/error)) (PR #174892)

[Nick Desaulniers via cfe-commits]

nickdesaulniers wrote:

Great, we're all on the same page.  @JustinStitt if you can restore the prior version, I'll take a look and grant my blessing.

https://github.com/llvm/llvm-project/pull/174892