ee566eb880
Add -Wgnu-empty-initializer to Clang builds to catch this issue in the future. Initialising arrays with empty braces is not part of the C standard and fails on MSVC. This commit should catch the issue earlier by detecting it in Clang. PiperOrigin-RevId: 517373961 Change-Id: I518006e84151e8d5b45a7fe00ba7675dfb031ca0