chore(performance): optimize regressed for..of and array destructuring performance#4080

JoviDeCroock wants to merge 2 commits intographql:16.x.xgraphql/graphql-js:16.x.xfrom

JoviDeCroock:fix-for-of-perfJoviDeCroock/graphql-js:fix-for-of-perfCopy head branch name to clipboard