llvm-project

45c87669 - Reapply "[Clang][CWG1815] Support lifetime extension of temporary created by aggregate initialization using a default member initializer" (#97308)

Reapply "[Clang][CWG1815] Support lifetime extension of temporary created by aggregate initialization using a default member initializer" (#97308) The PR reapply https://github.com/llvm/llvm-project/pull/92527. Implemented CWG1815 and fixed the bugs mentioned in the comments of https://github.com/llvm/llvm-project/pull/92527 and https://github.com/llvm/llvm-project/pull/87933. The reason why the original PR was reverted was that errors might occur during the rebuild. --------- Signed-off-by: yronglin <yronglin777@gmail.com>