[clang-tools-extra] [clang-tidy] modernize-return-braced-init-list: skip types with an initializer_list constructor (PR #205440)

[Daniil Dudkin via cfe-commits]

https://github.com/unterumarmung commented:

Thank you for working on this!
I have a few thoughts:
1) I think it'd be nice to have unit tests for the `isStdInitializerList` function 
2) probably better split moving (and adding tests for) `isStdInitializerList` and actually fixing the bug into 2 PRs for easier review


https://github.com/llvm/llvm-project/pull/205440