b262be749e
This greatly improves the number of lookups needed to establish the relation. For the two most prolific tests we have: html/element_test: 44939 -> 6557 html/mirrors_js_typed_interop_test (mirrors+jsinterop!): 1638455 -> 171326 R=sigmund@google.com Committed: https://github.com/dart-lang/sdk/commit/a8b2bfb5eb77f670c414069dd9ff3dfaa993a3a8 Review URL: https://codereview.chromium.org/2428543002 . Reverted: https://github.com/dart-lang/sdk/commit/5397c5427e9102a8ea7602174be2664d4c15bb8b