Fixes a number of test262 tests, including

- built-ins/Promise/resolve/resolve-from-promise-capability.js
- built-ins/Promise/resolve/context-non-object-with-promise.js
- built-ins/Promise/executor-function-length.js

BUG=v8:4633
LOG=N
R=littledan@chromium.org, cbruni@chromium.org

Review URL: https://codereview.chromium.org/1536013002

Cr-Commit-Position: refs/heads/master@{#33094}