intl/number-format/parse-percent.js
intl/date-format/parse-mdyhms.js
intl/number-format/parse-decimal.js
intl/date-format/parse-MMMdy.js

Also added a few more test cases.

BUG=v8:3454
TEST=The tests listed above.

Review-Url: https://codereview.chromium.org/1988073003
Cr-Commit-Position: refs/heads/master@{#36555}