There are cases where we push FP and LR to the stack even though we have
already created a frame and already stored them.

Avoid doing this, by cleaning up the caller- and callee-saved
register lists, and passing a LinkRegisterStatus argument to
TruncateDoubleToI.

Change-Id: I652e7ec346a99e94617f1ec6b13935f5d2f73e7f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2060505
Commit-Queue: Georgia Kouveli <georgia.kouveli@arm.com>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66330}