https://dart.googlesource.com/sdk.git/+log/726d3c772554..207953f367e6

git log 726d3c7..207953f --date=short --first-parent --format='%ad %ae %s'
2020-04-28 nshahan@google.com [tests] Add regression tests for internal issue
2020-04-28 brianwilkerson@google.com Use the element kind feature for instance members
2020-04-28 paulberry@google.com Add test to validate resolution of flutter#39641.
2020-04-28 aam@google.com Revert "Reland "[vm] Make VM support .dart_tool/package_config.json""
2020-04-28 nshahan@google.com [ddc] Use Null Safety flag in typeAcceptsNull
2020-04-28 alexmarkov@google.com [vm/nnbd] Call field initializer from stubs for late instance fields
2020-04-28 nshahan@google.com [ddc] Fix function type casts in weak mode
2020-04-28 rmacnak@google.com [vm, gc] Divide new-space into pages like old-space.
2020-04-28 brianwilkerson@google.com Add a fix to add the required keyword
2020-04-28 vegorov@google.com [vm/compiler] Fix operand encoding overflow in Drop on ARM64
2020-04-28 scheglov@google.com Reset the library context in FileResolver by timeout.
2020-04-28 rmacnak@google.com [vm, gc] Set the scavenger's forwarding bit to equal to the pointer tag bit.
2020-04-28 joshualitt@google.com [dart2js] NNBD changes for future_or_test.
2020-04-28 brianwilkerson@google.com Support suggesting an accessor in SuggestionBuilder
2020-04-28 alexmarkov@google.com [vm/nnbd] Fix A<dynamic> <: A<Object> subtyping in weak mode
2020-04-28 srawlins@google.com Remove bogus file
2020-04-28 paulberry@google.com Prepare to publish analyzer 0.39.8
2020-04-28 scheglov@google.com Fix CiderFixesComputerTest on Windows bot.
2020-04-28 kustermann@google.com Reland "[vm] Make VM support .dart_tool/package_config.json"
2020-04-28 srawlins@google.com Analyzer: unnamed ExtensionElement should have a null name
2020-04-28 alexmarkov@google.com [vm/nnbd] Inline implicit getters of late fields
2020-04-28 scheglov@google.com Add CiderFixesComputer.
2020-04-28 jensj@google.com [CFE] Extends the crash reproduction minimizer to work on more than one file
2020-04-28 athom@google.com [release] Update checked-in SDKs to 2.9.0-4.0.dev
2020-04-28 paulberry@google.com Migration: allow assignment to de-promote local variables.
2020-04-28 sstrickl@google.com Revert "[VM] Mark all indirectly dependent code dirty on hot reload"
2020-04-28 jensj@google.com [CFE] Update expect files for UTF16_LE test
2020-04-28 athom@google.com [co19] Roll co19 to 306b15d60048bee617b7d5ede9b49ebafb7d1c42
2020-04-28 sstrickl@google.com [gardening] Add and pass missing parameter in ABI test runner.
2020-04-28 davidmorgan@google.com Upgrade `test` packages from test_core-v0.3.2 to 988e38f (1.14.3-dev in package:test pubspec.yaml).
2020-04-28 jensj@google.com [VM] Mark all indirectly dependent code dirty on hot reload
2020-04-28 johnniwinther@google.com [cfe] Handle problems and recovery in non-null check
2020-04-28 athom@google.com [co19] Add co19 (migrated) status files to the shard filesets
2020-04-28 athom@google.com [release] Update tentative release date for 2.8.0
2020-04-28 cskau@google.com Reland "[VM] Remove unnecessary Closure.clone() from sync*."
2020-04-28 brianwilkerson@google.com Remove _coverageMarker and uses
2020-04-28 srawlins@google.com analyzer: Fix message of REDIRECT_TO_INVALID_TYPE
2020-04-28 rnystrom@google.com Opt package:meta in to null safety.
2020-04-28 fishythefish@google.com [dart2js] Treat Object as a top type in weak mode.
2020-04-27 rmacnak@google.com [vm, timeline] Remember block creation order instead of sorting in the endless recorder.
2020-04-27 liama@google.com [nnbd] Fix small strong mode bug in service isolate
2020-04-27 aam@google.com [vm/sendandexit] Ensure that sendAndExit message comes before exit message.
2020-04-27 brianwilkerson@google.com Support suggesting methods in SuggestionBuilder
2020-04-27 bkonyi@google.com [ VM / DartDev ] Make DartDev help message the default when running dart --help
2020-04-27 stuartmorgan@google.com Fix a dangling pointer in Windows CreateProcessW
2020-04-27 sra@google.com [benchmark] Benchmark for some .runtimeType patterns from Flutter
2020-04-27 scheglov@google.com Issue 40957. Report the language feature, and recommend to set SDK constraint.
2020-04-27 joshualitt@google.com [dart2js] Minor strong mode fix in inference.
2020-04-27 rmacnak@google.com Revert "[vm] Fix test to use Uri.file() instead of Uri.parse()"
2020-04-27 bkonyi@google.com [ Service ] Fix status file expectations for service tests
2020-04-27 rnystrom@google.com Treat the expect and async_helper packages as opted in to NNBD.
2020-04-27 jwren@google.com Completion bug fix - extended types will now be completable in extension declarations
2020-04-27 scheglov@google.com Implement Factor in flow analysis.
2020-04-27 joshualitt@google.com [dart2js] Fix two type inference bugs with legacy subtyping.
2020-04-27 kustermann@google.com [vm/compiler] Use a faster iteration over isolates in a group during GC
2020-04-27 davidmorgan@google.com Upgraded package:html from 0.14.0+1 (0.14.0+1 in pubpsec.yaml) to 083a36c (0.14.0+3 in pubspec.yaml).
2020-04-27 whesse@google.com [tests] Fix CompileTime error in implement_rectangle test.
2020-04-27 paulberry@google.com Migration: nicer text for command-line option errors
2020-04-27 paulberry@google.com Migration: add `--apply-changes` support to new CLI
2020-04-27 paulberry@google.com Migration: add `--no-web-preview` support to new CLI
2020-04-27 paulberry@google.com Migration: add the ability for the preview server to be turned off.
2020-04-27 paulberry@google.com Migration: stop stubbing out Ansi class for testing.
2020-04-27 paulberry@google.com Migration: begin implementing CLI for the migration tool outside analysis server.
2020-04-27 johnniwinther@google.com [cfe] Implement NNBD_TOP_MERGE update
2020-04-27 johnniwinther@google.com [cfe] Ensure default type on generic forwarding stubs/method signatures
2020-04-27 jwren@google.com Bug fix in combinator_contributor.dart, don't suggest names already shown or hidden by the existing combinators (in the same directive).
2020-04-27 kustermann@google.com [vm] Fix test to use Uri.file() instead of Uri.parse()
2020-04-27 johnniwinther@google.com [cfe] Support Never and Never? in function literal parameter type inference
2020-04-27 johnniwinther@google.com [cfe] Handle nullable access to extension members
2020-04-27 jonasfj@google.com Update oauth2 to version 1.6.0
2020-04-27 kustermann@google.com [vm] Make VM support .dart_tool/package_config.json
2020-04-27 davidmorgan@google.com Upgrade package:pool from 1.3.6 (1.3.6 in pubpsec.yaml) to 86fbb2c (1.4.1-dev in pubspec.yaml).
2020-04-27 davidmorgan@google.com Upgrade package:mustache from 5e81b12 (1.1.0 in pubpsec.yaml) to 664737e (1.1.1 in pubspec.yaml).
2020-04-27 davidmorgan@google.com Upgrade package:source_maps from 8af7cc1 (0.10.7 in pubpsec.yaml) to 87b4fd9 (0.10.9 in pubspec.yaml).
2020-04-27 davidmorgan@google.com Upgrade package:yaml from 2.2.0 (2.2.0 in pubpsec.yaml) to 62e9f6b (2.2.1-dev in pubspec.yaml).
2020-04-27 davidmorgan@google.com Upgrade package:term_glyph from 1.0.1 (1.0.1 in pubpsec.yaml) to b3da31e (1.1.0 in pubspec.yaml).
2020-04-27 davidmorgan@google.com Upgrade package:web_socket_channel from 1.1.0 (1.1.0 in pubpsec.yaml) to 490061e (1.1.1-dev in pubspec.yaml).
2020-04-27 cskau@google.com Revert "[VM] Remove unnecessary Closure.clone() from sync*."
2020-04-27 cskau@google.com [VM] Remove unnecessary Closure.clone() from sync*.

Created with:
  gclient setdep -r src/third_party/dart@207953f367e6

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/dart-sdk-flutter-engine
Please CC dart-vm-team@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

Bug: None
Tbr: dart-vm-team@google.com