[clang] [clang] Fix clang++ crash on assertions when compiling source (PR #70594)

[Shivam Gupta via cfe-commits]

xgupta wrote:

> @cor3ntin Could you describe the format of the `release note` briefly so I can `amend` my `commit` accordingly?
Like this - 
https://github.com/llvm/llvm-project/pull/74553/files#diff-ec770381d76c859f5f572db789175fe44410a72608f58ad5dbb14335ba56eb97

You also need to clang-format this patch with git clang-format HEAD~1.

https://github.com/llvm/llvm-project/pull/70594