Compile the module created in trap-location.js with both synchronous and
asynchronous compilation. Thereby I can reuse the test for streaming
compilation later.

R=clemensh@chromium.org

Change-Id: Id2e0c70886ddd1b11d51f614d02757099541aedd
Reviewed-on: https://chromium-review.googlesource.com/635165
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47600}