New warning: `‘compiler_is_top_level_await’ defined but not used [-Wunused-function]`

[Eclips4]

Bug report

Bug description:

Popped up in https://github.com/python/cpython/pull/123546/files

I have a PR ready.

CPython versions tested on:

CPython main branch

Operating systems tested on:

Linux

Linked PRs

• gh-123553: Fix compiler warning in Python/compile.c #123554
• gh-123553: Fix compile warning in compile.c #123578