The original CL was reverted because PC authentication was missing for
the `caller_pc` in the stack walk. This caused a crash on the CFI bot.

PS1 is the original CL, later patch sets contain the fix.

Original Message:

[wasm] Emit safepoint info for callee-saved registers in the deopt-index

Encode safepoint info of callee-saved registers in the deopt index of
the normal safepoint.

R=clemensb@chromium.org, jkummerow@chromium.org

Change-Id: I633cd715eccc697e888cd381e3bda1a47d0d0851
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2759520Reviewed-by: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73464}