Incorrect error message for `yield from`

[JelleZijlstra]

Bug report

Bug description:

% ./python.exe -c 'yield x'
  File "<string>", line 1
SyntaxError: 'yield' outside function
% ./python.exe -c 'yield from x'
  File "<string>", line 1
SyntaxError: 'yield' outside function
% ./python.exe -c 'async def f(): yield from x'
  File "<string>", line 1
SyntaxError: 'yield from' inside async function

The middle one should also say "yield from".

CPython versions tested on:

CPython main branch

Operating systems tested on:

No response

Linked PRs

• gh-121680
• gh-121722
• gh-121768
• gh-121769