b981cbfff8
Also adds a program in pkg/vm/bin/dump_bytecode_ngrams.dart that analyzes the traces. Change-Id: I39c9645ca858195a41e001dab47a7b1398f4b15e Reviewed-on: https://dart-review.googlesource.com/c/83340 Commit-Queue: Zach Anderson <zra@google.com> Reviewed-by: Alexander Markov <alexmarkov@google.com>