tree 8779bdb99786ddffe93bacebd860ebf67f67483c
parent 8a98f240a9672edfda94713bb2151346bd576238
author Stephen Adams <sra@google.com> 1500142898 -0700
committer Stephen Adams <sra@google.com> 1500142899 -0700

Redo "special-case ListMixin.setRange from same list"

This simply reapplies
https://github.com/dart-lang/sdk/commit/001ce2aad76bf0a4af12bfa5159812c56b8cce49

R=lrn@google.com

BUG=

Review-Url: https://codereview.chromium.org/2961073002 .