Verify that the compiler has been initialized before freeing it.

BUG=angle:625

Change-Id: I8bba0dea26eacf02df4568cfb6840aa332bd0df8
Reviewed-on: https://chromium-review.googlesource.com/197655
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>
1 file changed