- Add V8_WARN_UNUSED_RESULT to TryCopyAndConvertArrayToCppBuffer
  methods
- Remove --force-slow-path implications in
  Object::IterationHasObservableEffects

Bug: v8:11739
Change-Id: I20dcac1c460c6ee116ff372806cdf8764a99d9f1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3063504Reviewed-by: Victor Gomes <victorgomes@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#76037}