[3.12] gh-110237: Check `PyList_Append` for errors in `_PyEval_MatchClass` (GH-110238)#110511

JelleZijlstra merged 1 commit intopython:3.12python/cpython:3.12from

miss-islington:backport-dd9d781-3.12miss-islington/cpython:backport-dd9d781-3.12Copy head branch name to clipboard