gh-155752: Do not crash when GenericAlias parameters change during substitution - #155761

gh-155752: Do not crash when GenericAlias parameters change during substitution#155761

JelleZijlstra merged 2 commits into

python:mainpython/cpython:mainfrom

dariushoule:fix-genericalias-parameter-substitutiondariushoule/cpython:fix-genericalias-parameter-substitutionCopy head branch name to clipboard