This CL adds back a check that previously had an early exit within
the compilation loop, when compilation failed.

Change-Id: Ie511010af22029671c8eb71aa2189d6429081b14
Reviewed-on: https://chromium-review.googlesource.com/968504Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Kim-Anh Tran <kimanh@google.com>
Cr-Commit-Position: refs/heads/master@{#52026}