2ef2c86 Fix engine in preparation for implementing dart-lang/language#1274 (flutter/engine#23131)

engine-flutter-autoroll · engine-flutter-autoroll · commit 4542a8bafe5f · 2020-12-18T05:49:41.000Z
diff --git a/bin/internal/engine.version b/bin/internal/engine.version
@@ -1 +1 @@
-ade75e08f6792d8cfad19244e38a22c048003dde
+2ef2c86162120779dde6cd8bde042157c3694672
