Promise.all/race with non-iterable or invalid return from Symbol.iterator. (#1496)

test/built-ins/Promise/all/iter-arg-is-false-reject.js

test/built-ins/Promise/all/iter-arg-is-null-reject.js

test/built-ins/Promise/all/iter-arg-is-number-reject.js

test/built-ins/Promise/all/iter-arg-is-string-resolve.js

test/built-ins/Promise/all/iter-arg-is-symbol-reject.js

test/built-ins/Promise/all/iter-arg-is-true-reject.js

test/built-ins/Promise/all/iter-arg-is-undefined-reject.js

test/built-ins/Promise/all/iter-assigned-false-reject.js

test/built-ins/Promise/all/iter-assigned-null-reject.js

test/built-ins/Promise/all/iter-assigned-number-reject.js

test/built-ins/Promise/all/iter-assigned-string-reject.js

test/built-ins/Promise/all/iter-assigned-symbol-reject.js

test/built-ins/Promise/all/iter-assigned-true-reject.js

test/built-ins/Promise/all/iter-assigned-undefined-reject.js

test/built-ins/Promise/all/iter-next-val-err-reject.js

test/built-ins/Promise/all/iter-returns-false-reject.js

test/built-ins/Promise/all/iter-returns-null-reject.js

test/built-ins/Promise/all/iter-returns-number-reject.js

test/built-ins/Promise/all/iter-returns-string-reject.js

test/built-ins/Promise/all/iter-returns-symbol-reject.js