This makes sure that direct and indirect calls get proper {IfException}
projections attached to them if they appear within a try-block. It also
re-enables most of the corresponding test cases for this.

R=ahaas@chromium.org
TEST=mjsunit/wasm/exceptions
BUG=v8:8091

Change-Id: I111634759651ed47f76850e80c8754751310001b
Reviewed-on: https://chromium-review.googlesource.com/1195365
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55483}