This Tnodifies the CombineFeedback and OverwriteFeedback methods and
changes the TaggedToWord32OrBigInt* ann TaggedToNumeric methods to take
TVariables.

Additionally it refactors bitwise binary operators in
intepreter-generator.cc and builtins-number-gen.cc and puts the common
code in NumberBuiltinsAssembler.

Bug: v8:10021
Change-Id: I3b15ecfadb42b50ffbfd0bd1114197e0fef42e99
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1995387
Commit-Queue: Dan Elphick <delphick@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65762}