- Add missing EnsureStackSpace before unpacking the exception (decoder)
- Pop current catch when delegating to the caller (graph builder)
- Mark throw opcode as unconditional jump

R=clemensb@chromium.org

Bug: v8:8091, v8:11449
Change-Id: I702f6a99581476e77d254e2ea91f9c463ceed444
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2692688
Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72737}