[clang] Reapply "[Clang][CWG1815] Support lifetime extension of temporary created by aggregate initialization using a default member initializer" (PR #92527)

[via cfe-commits]

yronglin wrote:

@bgra8 @alexfh Thanks report this issue, I've a new PR to fix it, and added your reproducer into the test.

https://github.com/llvm/llvm-project/pull/92527