[clang] Thread safety analysis: Fix a bug in handling temporary constructors (PR #74020)

[Ziqing Luo via cfe-commits]

ziqingluo-90 wrote:

@aaronpuchert Thanks for your comment!  I have addressed them.   Do you mind to take an another look and approve it if it looks good to you?

https://github.com/llvm/llvm-project/pull/74020