dart-lang/sdk@967673c005 [cfe] Introduce ClassMember
dart-lang/sdk@3e2d6f95ee [cfe] Use fileOffset in Forest instead of Token
dart-lang/sdk@2285741180 [analyzer] Update syntactic_errors.g
dart-lang/sdk@396608e35d [CFE] Update parser test framework to work with extensions
dart-lang/sdk@5c106e3098 [vm, fuchsia] Add timezone support in Fuchsia SDK builds
dart-lang/sdk@512d763b9d diagnostic property types support
dart-lang/sdk@16944f0edb Stop using 'Element.type' in StaticTypeAnalyzer.
dart-lang/sdk@375c4a9657 [vm/fuzzer] Disable CC for most types
dart-lang/sdk@e919e89d0b Add an "--nnbd" flag to build.py.
dart-lang/sdk@d65a60db00 [vm, bytecode] Populate bytecode cache when initializing an incremental compiler from a kernel file.
dart-lang/sdk@22479a17ff [vm/fuzzer] Sort generated tables.
dart-lang/sdk@9050e28bf0 [vm/fuzzer] Avoid STRING *= large number in loops
dart-lang/sdk@1ed707703d [vm/bytecode] Mark try blocks generated for try/finally as synthetic
dart-lang/sdk@f2816eeb0d Add a test, a TODO, and a minor display enhancement
dart-lang/sdk@33494de2f9 (ddk modular test) exclude sources from dill files.
dart-lang/sdk@70af20bda5 Stop using 'Element.type' in ElementResolver.

dart-lang/sdk@97bb624cfe [vm] Rebuild type testing stubs if their fast path starts failing
dart-lang/sdk@f46e5ee44e [vm/fuzzer] Make num type non instantiable
dart-lang/sdk@7e99f49629 [vm/compiler] general rbit utilities
dart-lang/sdk@9e738b94b4 [vm] Remove #include from elf_loader.h so it can be used imported in Flutter.
dart-lang/sdk@bb342ec83f Fix a test breaking the windows bot

dart-lang/sdk@2e99a418a0 [dartdevc] Only generate temporary id for a library when it is needed
dart-lang/sdk@f27d4f2f7a [dart2js] Create list constants with implementation type
dart-lang/sdk@4b0ba9cf84 Fix bug when operating on a tearoff from an extension override (issue 38653)
dart-lang/sdk@5a174aa2df getter support for fixing missing diagnostic property references
dart-lang/sdk@2c3f0fc359 [vm/assembler] Add rbit to ARM32
dart-lang/sdk@33cd343374 Clean up the stack when a constructor initializer is found (issue 38674)

dart-lang/sdk@eaf1c308ab [vm/assembler] Add rbit to ARM64
dart-lang/sdk@fee4fe8241 Generate output files for files outside the migrated package
dart-lang/sdk@0f7a3cd611 [SDK] Adds dart2native to the test_matrix vm-kernel fileset.
dart-lang/sdk@5a2a5204dd [kernel] Fix metadata_test in presence of control flow collections
dart-lang/sdk@d0b799f39c Revert "[vm] Use ELF loader in dart2native."

dart-lang/sdk@98b286de21 [vm] Use ELF loader in dart2native.
dart-lang/sdk@ff1a3f7e3a [vm/compiler] Add a snapshot-serialized function pool.
dart-lang/sdk@bdf6b9505e [cfe] Ask for subtype checking mode explicitly
dart-lang/sdk@c1616157d1 [cfe] Use a class instead of the enum for subtype check results
dart-lang/sdk@be43bce0b6 [cfe] Make interface of subtype checks aware of nullabilities.
dart-lang/sdk@0e24c2e6e5 [vm/compiler] Don't serialize precompiled constructors.
dart-lang/sdk@f0b2a46734 [vm, fuchsia, arm64] Restore the shadow call stack on exceptions.
dart-lang/sdk@97f14cced1 [vm, bytecode] Also generate split bytecode for the first compile.
dart-lang/sdk@2590d065f1 Update test_reflective_loader, use @SkippedTest
dart-lang/sdk@a7b03453d1 Sort the instrumentation renderer.
dart-lang/sdk@8c3065e947 Add fuzz tests for annotation resolution crashes.
dart-lang/sdk@989289c36f [ package:vm_service ] Add 'tokenPosToLine' and 'tokenPosToColumn' to `Script`, improve test coverage
dart-lang/sdk@84383dff6d Fix elements resynthesizer tests on Windows.
dart-lang/sdk@23aca57eda fix for adding boolean diagnostic property references
dart-lang/sdk@6ec36b786f Generate a file for each compilation unit rather than for each library
dart-lang/sdk@cb9a35ca53 Issue 38565. Revert incomplete annotation constructor invocation inference implementation.

dart-lang/sdk@cbf6a233fc Call out tests as a valid use case for Exception
dart-lang/sdk@d77f1c8674 Display reasons that are edges; annotate reasons from tests
dart-lang/sdk@b49d08fb01 [dartdevc] Allow dart:_runtime imports in modular tests
dart-lang/sdk@26c49d5578 [vm] Wasm memory exports, and emscripten hello world
dart-lang/sdk@1b911958a5 [vm/fuzzer] split analyzer import from nightly run
dart-lang/sdk@036c404076 [dartdevc] Copy subtype test into modular framework
dart-lang/sdk@5fee952514 Re-introduce Driver.useSummary2 getter.
dart-lang/sdk@082e82ed5e Remove optional new keyword when extracting widget

dart-lang/sdk@1103600280 [vm/ffi] Fix --enable-ffi=false test and bytecode pipeline
dart-lang/sdk@470c5eab8e bump to linter 0.1.99
dart-lang/sdk@dfe05e3f79 Don't compare bounds of TypeParameterTypeImpl(s).
dart-lang/sdk@8e8d1e4061 Remove unused parts of AstRewriteVisitor.
dart-lang/sdk@21c26ab6d9 Issue 38641. Fix scopes for metadata resolution.
dart-lang/sdk@05c75c096d [CFE] Merge DDC and bazel incremental modular entrypoint code

dart-lang/sdk@998f1efbe9 [kernel] Add test for keeping sources when loading concatenated component
dart-lang/sdk@84848b1467 [kernel] Add VM pragma prefer-inline to certain methods in kernel serialization
dart-lang/sdk@c09c81123d [infra] Update checked in SDKs to 2.6.0-dev.4.0

dart-lang/sdk@fb1c5a6404 [cfe/ffi] Cleanup after constant-update-2018
dart-lang/sdk@a2bb7301c5 [vm/compiler] Lift PC offsets out of StackMaps.
dart-lang/sdk@8218857032 [kernel] Handle Extension in BianryBuilderWithMetadata
dart-lang/sdk@0ef041d8f2 [cfe] Avoid crash on explicit extension access of static members
dart-lang/sdk@0242dea803 [CFE] Amend parser test framework to include intertwined output
dart-lang/sdk@16bb96aa25 [infra] Remove non-essential test expectations with comments from general status files

dart-lang/sdk@63b5fa1709 [dart/vm] Extend dartfuzz type system
dart-lang/sdk@5920048fa2 [vm,aot,bytecode] Handle direct-call metadata when generating bytecode

dart-lang/sdk@67ae444f29 [vm/compiler] Revert flow graph check on push arguments
dart-lang/sdk@5e24d6375e Rename the dart.assist.flutter.removeWidget action.
dart-lang/sdk@6af513d7b4 [dartdevc] Fix duplicate imports of dart:_runtime in runtime unit tests
dart-lang/sdk@9f8caeaf4c Migration: begin creating a third visitor class.
dart-lang/sdk@8a5e2a688b [vm, compiler] Consistently produce OutOfMemoryErrors for large variable-length object allocations.
dart-lang/sdk@5f32afdd4c [vm/compiler] patch up push arguments in environment
dart-lang/sdk@b9b5139b9e [dart2js] Delete unused parts of class stub generator.
dart-lang/sdk@929716a446 Stop using DartType.isSubtypeOf() in runtimeTypeMatch().

dart-lang/sdk@692230b484 [build] Introduce gen_snapshot_host_targeting_host.
dart-lang/sdk@17f081a1fb Fix for the context type for arguments in constructor initializers.
dart-lang/sdk@7e4058e3a5 [ VM / Service ] Update service tests to no longer use --disable-service-auth-codes
dart-lang/sdk@5236285432 Expose the getter EdgeInfo.isTriggered and make use of it
dart-lang/sdk@425c6c6724 Rename some local variables per earlier feedback

dart-lang/sdk@14983a2941 [vm/bytecode] Add timeline events for major compilation phases.
dart-lang/sdk@6b39eb3248 [vm] Remove the 'Profiler' timeline stream.

dart-lang/sdk@623fd5c8cd Add embedder/vm layer checks to presubmits.
dart-lang/sdk@328addd2cf Skip timing out mac+linux tests.
dart-lang/sdk@f135761537 Set the context type for inference after rewriting AST.
dart-lang/sdk@34bdcec877 Don't statically register for LSP document changes when dynamic registration is supported
dart-lang/sdk@93902399dd Remove isAstBasedSummary, keep only 'true' branches in tests.
dart-lang/sdk@963c338104 Don't use ResolverTestCase for two tests.
dart-lang/sdk@3f65652ad0 Enable avoid_init_to_null.
dart-lang/sdk@a006914279 Enable prefer_contains and no_duplicate_case_values.
dart-lang/sdk@d3e7adf548 Issue 38641. Fix linking metadata with unqualified references to static methods.
dart-lang/sdk@82b25f9e47 Use server snapshot for LSP tests
dart-lang/sdk@0a5f736c68 [cfe] Fix missing comma between type parameters in function types
dart-lang/sdk@343723cdff Support navigation targets in migration tooling
dart-lang/sdk@f1d6282fa3 [cfe] Report error on extension members that conflict with Object members
dart-lang/sdk@b682235c4c [cfe] Preserve the nullability of LHS of intersection types
dart-lang/sdk@902a36e36f [cfe] Thread nullability of typedef types from source into Kernel
dart-lang/sdk@b361639a74 [cfe] Account for nullability in type substitution on TypeBuilders
dart-lang/sdk@7d75eb1fd9 [cfe] Account for nullability in type substitution on DartTypes
dart-lang/sdk@e39a15b6d6 [release] Add 2.5.1 to CHANGELOG.md
dart-lang/sdk@d8c5daf17a Enable extension methods by default
dart-lang/sdk@e52542b421 [cfe] Handle generic return types
dart-lang/sdk@dd028547ce [cfe] Support patching of extension methods
dart-lang/sdk@bb600e99e2 [SDK] Make dart2native default output .exe, not .dart.exe.
dart-lang/sdk@8f24bd2901 [cfe] Remove or reformulate some bad tips and messages.
dart-lang/sdk@4b9557e5e3 [cfe] Check valid return type of local async functions.
dart-lang/sdk@942af5bd62 Resolve initializers of final class fields in classes with const constructors.
dart-lang/sdk@200e5b668d Migration: extract decoratedClassHierarchy from EdgeBuilder.
dart-lang/sdk@595022bdea Remove summary1, part 1.
dart-lang/sdk@da75135c7d Revert "Revert "Issue 37608. Use instantiated FunctionType for tear-off(s).""
dart-lang/sdk@caaa577b0c Migration: add support for user-definable operators on generic classes
dart-lang/sdk@21ee71c3e5 Migration: favor explicit `/*?*/` comments over hard edges.
dart-lang/sdk@e4d8ad5866 Flow analysis: remove `add` method.
dart-lang/sdk@b47c8f0d24 [dartdevc] Actually apply SDK patch files from fork in DDC modular test
dart-lang/sdk@6da8c39c5a [vm] Small WasmImports API change, and more WASM error tests
dart-lang/sdk@fca257f8ba [dart2js] New RTI: Don't assert that RTI objects have old structure.
dart-lang/sdk@b7019a0340 [fuchsia] Currently Flutter/Dart -> Fuchsia rolls are broken
dart-lang/sdk@56082c230e Add highlight.pack.js and highlight.js's androidstudio.css to nnbd i13n output
dart-lang/sdk@a1a9d02cfd Fix CSS regarding tooltip positions and sizing
dart-lang/sdk@34899a8a56 Flow analysis: remove TypeOperations.isLocalVariable.
dart-lang/sdk@d2a0900a50 Reland "[vm] Wasm function imports"
dart-lang/sdk@34087a61ba [build] Remove dart_host_toolchain.
dart-lang/sdk@4aa10d0aeb Skip all dart:wasm tests
dart-lang/sdk@ec2823d052 Make an interface type to represent promotable variables.
dart-lang/sdk@2c94bb9849 Fix some recently introduced bugs found by running over logging
dart-lang/sdk@e5661b469d Parse all startup arguments from a file param.
dart-lang/sdk@d2897ff85f [vm/fuzzer] Catch oom error on last block
dart-lang/sdk@9bf38afe9c Check that ClassElement is Object using the corresponding getter.
dart-lang/sdk@05fb7d80dc [cfe] Update test expectations in static_extension_internal_name_conflict_error_test
dart-lang/sdk@7bf76c5925 Change i13n output files to live in a directory structure; fixes #38503
dart-lang/sdk@18f941d9e0 Fix for the ordering and caching issue for default types.
dart-lang/sdk@394f57ed7f [ VM / Service ] Add --object-id-ring-size to unblock UX studies for memory profiling

dart-lang/sdk@132bee48d0 Revert "Reland "[vm, compiler] Reduce alignment of Instructions and remove some debugging trap instructions.""
dart-lang/sdk@134839098b Serialization/Deserialization for Variance in Type Parameters.
dart-lang/sdk@0829212a2a Add a way to map navigation target offsets to the edited content
dart-lang/sdk@605422c94e Flow analysis: Make TypeSystemTypeOperations public so it can be reused.
dart-lang/sdk@2cbaaba7ad Migration: add logic for converting a decorated type to its final post-migration form.
dart-lang/sdk@a46bb7cb5a Update dartdoc version in DEPS, extension methods support
dart-lang/sdk@61b4c0f770 Cleanup hints and lints in analyzer packages
dart-lang/sdk@fbea9d2e3c [vm] Fix use of Utils::Maximum in elf_loader.cc
dart-lang/sdk@a12c275901 [CFE] Avoid talking about const context in error messages.
dart-lang/sdk@349e861fd3 Enable urls for codes with recently published docs
dart-lang/sdk@6eaebb8463 Add navigation targets to the containing unit info
dart-lang/sdk@30b2a5dbb3 Update documentation for Function class.
dart-lang/sdk@9852c135a7 [vm] Fix Mac build.
dart-lang/sdk@85948bd799 [vm/elf] Run strip --strip-unneeded on ELF snapshots during testing.
dart-lang/sdk@a7cb8ee88b Revert "[vm] Wasm function imports"
dart-lang/sdk@ee1ab89987 [vm/infra] Fix compiler_configuration to use existing cross-compiler.

dart-lang/sdk@7901c508c8 [build] Enable ASAN leak detection during the build, not just tests.
dart-lang/sdk@75eb947bc8 [dart2js] New RTI: Support redirection in ruleset.
dart-lang/sdk@0c6249de26 [dart2js] New RTI: Remove converted closure classes from subtype metadata.
dart-lang/sdk@c1fdf3bde0 [dart2js] New RTI: Treat erased class type variables as dynamic.
dart-lang/sdk@e578b68b23 [dart2js] New RTI: Don't emit $as methods.
dart-lang/sdk@7a24aec8f4 [vm] Wasm function imports
dart-lang/sdk@1375e262be Minor NNBD fixes for type algebra and DartType.toString.

dart-lang/sdk@403c4af720 Update dart_style to 1.3.1.
dart-lang/sdk@4a69ac1344 [vm, bytecode] Generate bytecode per package in fronend_server incremental compiles.
dart-lang/sdk@48f7636798 [ package:vm_service ] Added `HeapSnapshotGraph`, a helper class which parses the responses from the `HeapSnapshot` event stream.
dart-lang/sdk@7263b9aa9d [vm/fuzzer] rename dartfuzz_ffiapi
dart-lang/sdk@402951b399 Stop using 'Element.type' in ErrorVerifier.
dart-lang/sdk@1707aff921 [dart2js] Mark pkg/modular_test/test/validate_{pipeline,suite}_test as slow.
dart-lang/sdk@f0e5b380ab [build] Fix the depfile for gen_kernel_bytecode_dill
dart-lang/sdk@e6eafe20f7 Fix strict inference on overriding methods and setters.
dart-lang/sdk@5b33baded9 Migration: fix trial_migration.dart's handling of `required`

dart-lang/sdk@327bc451f8 Added variance support in listeners to ast.
dart-lang/sdk@07db94d454 Add support for details and implement some initial details for regions
dart-lang/sdk@f3793ab22d [tools] Update generate_idefiles.py to exclude analyzing sdk_nnbd
dart-lang/sdk@661816ea06 Use Context.separator in nnbd i13n output; Fixes #38574
dart-lang/sdk@38a3a6b6cb Don't use '.type' in TypeParameterMember.
dart-lang/sdk@3c18db7d9e update analyzer error message generator to generate hasPublishedDocs
dart-lang/sdk@5c5a76078e [dartdevc] improve escaping to handle kernel extension symbols
dart-lang/sdk@44da8af04f Reland "[vm, compiler] Reduce alignment of Instructions and remove some debugging trap instructions."
dart-lang/sdk@87d795c177 fix formatting
dart-lang/sdk@88f35f8319 [infra] Update checked in SDKs to 2.6.0-dev.3.0
dart-lang/sdk@2741022aa0 [vm/http] replace hard coded string in http headers
dart-lang/sdk@d2c0bffde3 Bump analyzer_plugin's maximum supported analyzer version

dart-lang/sdk@53564db036 [cfe] Handle implicit extension call()
dart-lang/sdk@ee7aae43c0 [cfe] Handle explicit extension index access
dart-lang/sdk@0bf6b6ae64 [cfe] Handle instantiation of extension tear-offs and check bounds on extension method invocation
dart-lang/sdk@acfda5d837 [CFE] Parser test framework
dart-lang/sdk@cff2b10a28 Update dart_style to 1.3.0.
dart-lang/sdk@6b1b530081 [dartdevc] Renaming reserved JS members only when not explicitly used in JS interop.

dart-lang/sdk@c6a14f4459 [vm/fuzzer] Fix heapsize
dart-lang/sdk@8dcf5cb413 Remove IncrementalAstCloner and TokenMap.
dart-lang/sdk@034c529cd1 Ignore failing test on Windows.
dart-lang/sdk@7472da8e25 Make allowInterop idempotent in DDC
dart-lang/sdk@bd3792e714 Remove unused MapIterator and implementations.
dart-lang/sdk@fa879f2b18 Stop using ClassElement.type in ElementResolver, infer annotation constructor type arguments.
dart-lang/sdk@80c045ee82 [vm/fuzzer] Fix non minimized test runs
dart-lang/sdk@e6574a7964 [vm] Add --show-invisible-isolates.
dart-lang/sdk@cd51a30805 Remove deprecated 'assertErrorCodesInCode'.
dart-lang/sdk@d1256a23f9 Deprecate 'useDart2jsPaths' in SdkLibrariesReader and make it optional.
dart-lang/sdk@e2a3f9a9d7 [vm/bytecode] Move bytecode metadata when creating a fresh component
dart-lang/sdk@f7b6169e18 Migration: add `required` keyword instead of `@required` annotation.
dart-lang/sdk@344b30e8ce Enable pedantic 1.8.0 in analyzer, analysis_server

dart-lang/sdk@6c81690c3a Flow analysis: add tests of things that shouldn't be promoted.
dart-lang/sdk@39a1baef6b Prepare to publish analyzer 0.38.4
dart-lang/sdk@3e71f286f6 [vm/fuzzer] Add auto minimization tool
dart-lang/sdk@5f74cc1e59 test for eof comment completions
dart-lang/sdk@b31e71e990 Revert "Issue 37608. Use instantiated FunctionType for tear-off(s)."
dart-lang/sdk@b325f8e965 Update checker.dart to use less Element.type
dart-lang/sdk@7235115f36 statement completion for expression bodies
dart-lang/sdk@2bd2392e2a Remove EngineTestCase.
dart-lang/sdk@f5ce531db3 [dartdevc] Allow ddc modular suite to apply SDK patch files from forked directory
dart-lang/sdk@c3bbd6a247 Added parser recovery for multiple variance modifiers.
dart-lang/sdk@9a683de40d [vm] Support testing assembly snapshots for ARM.
dart-lang/sdk@a2803a1b2d Add documentation for more diagnostics
dart-lang/sdk@bf361ebe19 Replace addTestFile()/resolveTestFile() pair with resolveTestCode().
dart-lang/sdk@bd1ca04b79 add meta dependency to kernel and front_end
dart-lang/sdk@7972c61aab fix detection of dart sdk lines in stack traces to recognize the ddk sdk
dart-lang/sdk@60328ca858 [vm] Restore _getHash/_setHash asm intrinsics
dart-lang/sdk@41dd8b522c [SDK] Further adjusts flags for dart2native.
dart-lang/sdk@9f0258f4b6 Include more information for 'Missing library'.
dart-lang/sdk@e034104f04 [cfe] Remove TypeEnvironment.*Type getters
dart-lang/sdk@463894f986 [cfe] Remove NullabilityBuilder.legacy
dart-lang/sdk@4209c50587 [cfe] Remove NullabilityBuilder.pendingImplementation
dart-lang/sdk@fdc34003e9 await futures
dart-lang/sdk@8cbc4f3982 [benchmark] Add support for benchmarking DDC.
dart-lang/sdk@b03d472e4c [cfe] Handle default values on extension methods
dart-lang/sdk@1ffbebe07a Revert "[cfe/vm] Enable prefer_final lints in pkg/vm"
dart-lang/sdk@12f6cbb7b1 [cfe] Thread nullability modifiers for TypeParameterTypes from source
dart-lang/sdk@13fcf27c25 [cfe] Implement library-specific NullabilityBuilder getters
dart-lang/sdk@db3bf8f509 [cfe] Preserve abstraction level in TypeDeclarationBuilder.buildType
dart-lang/sdk@adbfe7ce05 [cfe] Update the rules for TypeParameterType.nullability
dart-lang/sdk@f2743fceee Fix language_2/extension_methods/basic_static_extension_test
dart-lang/sdk@7b9bcd08b4 [cfe] Correctly substitute function types from extension on-clauses
dart-lang/sdk@2f7ad92ee4 [cfe] Handle null aware explicit extension application
dart-lang/sdk@763421a88e Add a first test of the InfoBuilder
dart-lang/sdk@9754f19eb6 [dart2js] dead code elimination can create GVN candidates
dart-lang/sdk@0fe9634425 Skip wasm tests on dart2js
dart-lang/sdk@6d86779288 Make the NNBD fork not stomp on the other build.
dart-lang/sdk@35748514c7 [ VM / Service ] Added additional tests for package:vm_service and fixed service bugs
dart-lang/sdk@79cc54e519 [kernel] Avoid trampling sources when loading split components.

* Roll dart sdk to 69b5681546c68ab85e2ce6d3e7b92ed7d113e7c1.

Changes since last dart roll:

```
69b5681546 Revert "[vm, compiler] Reduce alignment of Instructions and remove some debugging trap instructions."
b686e1b84d unawaited futures
660ee086b5 NNBD Migration Tool - Use InfoBuilder in non_nullable_fix.
78bd9f17a1 [vm/compiler] keep stack depth per block in stack IR
acba8cf7a1 [dart2js] new-rti: Simplifications for HTypeEval
fd0a89971c [vm] More wasm cleanup
3d99b17061 [vm/elf/ffi] Work around a bug in Android's strip causing truncated segments.
103d54b304 Revert "[ VM ] Update embedding API to perform Platform initialization"
eb4aaa1b13 First sketch at generating migration info from instrumentation data
89220fd812 Variance Parsing and Syntax Support
```

* Update license hash

dart-lang/sdk@c2e0f7ee06 Update analyzer expectations from undefined in two tests.
dart-lang/sdk@22b32075b1 [vm/jit] Check type arguments against bounds in closures.
dart-lang/sdk@fc56445218 Remove EngineTestCase.getGetter()/getMethod().
dart-lang/sdk@de2e16d39d Add gni files to the html, js, and js_util packages in support of adding them to the flutter sdk.
dart-lang/sdk@362ef8e67c [vm/aot] Add a custom ELF loader in dart_precompiled_runtime.
dart-lang/sdk@c195896c84 Remove many uses of EngineTestCase.findNode()
dart-lang/sdk@5a84f09a26 Remove EngineTestCase.findSimpleIdentifier()
dart-lang/sdk@11fa3e0e2b Don't extent EngineTestCase where possible.
dart-lang/sdk@3878118e37 Rename to visitNamedTypeBuilder() for consistency.

dart-lang/sdk@164335a4a6 [cfe/vm] prefer_final in pkg/vm/lib/transformations/ffi
dart-lang/sdk@c2a32fe534 [cfe/vm] Enable prefer_final lints in pkg/vm
dart-lang/sdk@9afc3a9894 [SDK] Fixes flags for dart2native.
dart-lang/sdk@cc7baf9bf5 [CFE] Fix of crash etc in error messages wrt formal parameters
dart-lang/sdk@98d94e7efc [CFE] Reproduction of crash etc in error messages wrt formal parameters
dart-lang/sdk@1b03bc34c8 [CFE] Cleanup incremental_load_from_dill_test yamls
dart-lang/sdk@fdda2729c3 [CFE] Fix crash when mixin application has mixin application super from dill
dart-lang/sdk@0e8b94feb8 [vm/compiler] Add snapshot-serialized constant pool.

dart-lang/sdk@d53d355c6c Add subscript operator to extension method setter/getter tests.
dart-lang/sdk@d012dfc7a6 Removing 'webkit' prefix, as most modern web browsers will accept 'RTCPeerConnection'
dart-lang/sdk@3edcf8f959 [vm/bytecode] Split AST and bytecode platform dill files
dart-lang/sdk@dbe8f6a9df Revert "[build] Rely on default host os TARGET_OS unless cross-compiling."
dart-lang/sdk@4895185b1e Fix NPE when extension override is invoked without a call method (issue 38505)
dart-lang/sdk@381d808686 Add UNDEFINED_EXTENSION_OPERATOR.
dart-lang/sdk@863694b7eb bump to linter 0.1.98
dart-lang/sdk@bb879969dd Fix some dart sdk documentation issues
dart-lang/sdk@326c00c6d7 [vm/fuzzer] Reduce number of methods per class
dart-lang/sdk@a6cc7b94c7 Reland "[dartdevc] fix for const / overridden fields"
dart-lang/sdk@4167867bb2 [build] Rely on default host os TARGET_OS unless cross-compiling.
dart-lang/sdk@9cc7ec8916 [vm/aot] Do not devirtualize calls with mismatching number of type arguments

dart-lang/sdk@77ff89b223 [vm] disallow breakpoint on non-debuggable library
dart-lang/sdk@8d487b4fdc [kernel] Recover TypeParameter.variance while deserializing
dart-lang/sdk@c719d02753 [kernel] Add function to compute variance of typedef type parameters
dart-lang/sdk@3779122bed [kernel] Don't preserve typedefType in terms with free variables
dart-lang/sdk@4d9db7b22f [fasta] Account for variance of type parameters in instantiate-to-bound
dart-lang/sdk@9505a1b87f [fasta] Add variance field to type parameters

dart-lang/sdk@f546362691 [SDK] Adds dart2exe to create standalone executables.

dart-lang/sdk@94dd49cdb6 [cfe] Add NullCheck expression node
dart-lang/sdk@96f1abdaca [pkg/testing] Replace top-level logging functions with an interface.
dart-lang/sdk@209180d280 Treat the case that the reported error location has length 0

dart-lang/sdk@07f0bc0144 [vm/bytecode] More fixes for AOT compilation from bytecode
dart-lang/sdk@a683a5822f Consider '[]' and '[]=' as having the same base name '[]' for extensions.
dart-lang/sdk@73eb0ee4ae Mark pkg/modular_test/test/memory_pipeline_test slow (to compile) on dart2js
dart-lang/sdk@4c74b486af Re-adding dart sdk version comment
dart-lang/sdk@6066271811 Don't use Element.type in analyzer_plugin.
dart-lang/sdk@ad52d12953 [dart2js] New RTI: Don't try to instantiate a null function.
dart-lang/sdk@e2adba804b [vm, compiler] Further reduce alignment of Instructions.

dart-lang/sdk@60c2bb9f5b [vm/fuzzer] Disable controlflow collections
dart-lang/sdk@7e68a0c95e Copy changes from f057e25 to sdk_nnbd.
dart-lang/sdk@a42a2412b4 [dart2js] Add JS-interop classes as supertypes of JavaScriptObject.
dart-lang/sdk@dd948188f7 [dart2js] Implement type relations for AnyType.
dart-lang/sdk@43cacafb51 Revert "[dartdevc] fix for const / overridden fields"

dart-lang/sdk@ff0e8f8035 Make extension methods more readable on dart2js stacktraces
dart-lang/sdk@3f8c7e5fa2 [cfe] Refactor local and read-only compound assignments
dart-lang/sdk@771e0f7d32 [cfe] Refactor local and read-only if null assignments
dart-lang/sdk@5997ea4d73 [cfe] Make buildSimpleRead and buildAssignment abstract
dart-lang/sdk@68b1a2e7bd [cfe] Refactor super index access
dart-lang/sdk@1e24146dab [cfe] Refactor this indexed access
dart-lang/sdk@729099cc5b [ VM ] Update embedding API to perform Platform initialization
dart-lang/sdk@2cebdaae2c Update MockSdk to support unsafe_html lint.
dart-lang/sdk@125ed45eff [vm] Fix ResolveDynamicAnyArgs to avoid returning incorrect method extractor
dart-lang/sdk@db035f39cf Remove some uses of 'type' and substitute2() it types.
dart-lang/sdk@56913c2555 Changing val to accommodate double values
dart-lang/sdk@2b4a84efd0 Revert "[vm/compiler] Drop redundant initializing stores of null"
dart-lang/sdk@ff778d1cb4 [bazel] Sort certain things when compiling in incremental mode (take 2)
dart-lang/sdk@96b8401cfc [vm/compiler] Drop redundant initializing stores of null
dart-lang/sdk@8b4d89e03c [gardening] Mark FFI tests on Android as slow
dart-lang/sdk@2b16ae1b54 [gardening] Fix unguarded uses of CompileType::ToSExpression.
dart-lang/sdk@469863ded7 Fix bug in static extension member test.
dart-lang/sdk@99713209c4 [CFE] Fix issue with cached calculations and recording dependencies

dart-lang/sdk@70a1e8e090 [cfe] Fix handling of access on type variables with dynamic bound
dart-lang/sdk@5645cc64f5 [vm/compiler] Fix mismatches in early round trip.
dart-lang/sdk@36c3eccc11 [CFE] Fix issue with exports and recording dependencies
dart-lang/sdk@fae7d07fbc [ VM / Profiler ] Add --sample-buffer-duration flag to specify sample buffer size
dart-lang/sdk@7367b6f192 fix for MISSING_CONST_FINAL_VAR_OR_TYPE
dart-lang/sdk@0051da7f55 [nnbd] change modular nnbd test to enable non-nullable for sdk
dart-lang/sdk@65078b5ee8 Stop using DynamicElementImpl/NeverElementImpl.type getter/setter.
dart-lang/sdk@07922810b2 Remove writes to TypeParameterElement.type.
dart-lang/sdk@8d2045f336 Remove ResolutionEraser.
dart-lang/sdk@4c666569b5 Reland "[fuchsia] migrate from ioctls to FIDL"
dart-lang/sdk@97346ff476 Initial migration i13n HTML output
dart-lang/sdk@fd7e337dd6 [vm] Update wasmer and resolve a TODO.
dart-lang/sdk@5aafee5196 [vm/fuzzer] Fix Analyser
dart-lang/sdk@9cea50c0ca Use Substitution for type arguments validation.
dart-lang/sdk@b26636925d [vm, compiler] Reduce alignment of Instructions and remove some debugging trap instructions.
dart-lang/sdk@dcd5cd13fb Prepare to publish analyzer version 0.38.3.
dart-lang/sdk@ccd19cd94d [vm/fuzzer] Decrease collection size
dart-lang/sdk@e88057fe04 Add non-NNBD language version marker on all sdk_nnbd files.
dart-lang/sdk@34253ce388 [dart2js] New RTI: Treat JavaScriptFunction as subtype of all function types.
dart-lang/sdk@544915e0c1 [vm/bytecode] Initial support for AOT compilation from bytecode
dart-lang/sdk@b2a9dc16ec [vm/fuzzer] Allow no recursion within collections
dart-lang/sdk@f8f54c883b check for existing asserts before suggesting to add one
dart-lang/sdk@892386ad22 Don't use ClassElement.type many places in analyzer.
dart-lang/sdk@9ed45651a9 [cfe] Refactor super expressions
dart-lang/sdk@5081eb15ee [cfe] Refactor handling of static if-null assignment
dart-lang/sdk@f018ce0355 [cfe] Refactor handling of static get/set/compound
dart-lang/sdk@dc211c3f9d [cfe] Refactoring handling of compound index set
dart-lang/sdk@604f443285 [cfe] Refactor handling of if-null index assignment
dart-lang/sdk@54c2dd737f [cfe] Refactor handling of index and index-set
dart-lang/sdk@c7a083ee5a [cfe] Refactor handling of ++/--
dart-lang/sdk@c2f35df918 [cfe] Refactor handling of compound local/property assignment
dart-lang/sdk@40d75d733b [cfe] Refactor if-null and null-aware property access
dart-lang/sdk@342b48bd27 Remove unused import
dart-lang/sdk@396fec7cfb Use DriverResolutionTest directly, without ResolutionTest mixins.
dart-lang/sdk@000de948fa add test for 38091
dart-lang/sdk@596bd5b61c [dartdevc] Add modular NNBD test
dart-lang/sdk@f6883ff726 Don't use ClassElement.type in summary2.
dart-lang/sdk@9da8472e2d Don't use ClassElement.type in nnbd_migration.
dart-lang/sdk@f7472249a2 Remove EnumMemberBuilder.
dart-lang/sdk@605384dbe7 Migration: Add `nullability_migration_impl_test.dart` to test_all
dart-lang/sdk@6e4794a584 [kernel] Clone all co-defined type parameters before visiting them.
dart-lang/sdk@31996aa24f [vm/bytecode] Enable bytecode compiler by default in Dart SDK
dart-lang/sdk@23def0da02 Migration: add support for assert initializers.
dart-lang/sdk@8ffe04bcf7 Migration: integrate flow analysis for "is" checks.
dart-lang/sdk@a85b7cef95 Migration: Add support for for-each loop variables.
dart-lang/sdk@3fa2bbf202 [cfe] Fix incorrect const contexts.
dart-lang/sdk@515a597710 [cfe] Remove Class.rawType
dart-lang/sdk@b0f7cba35e [VM] Kernel service dill should not include full paths
dart-lang/sdk@cdcec63569 [bazel] Sort certain things when compiling in incremental mode
dart-lang/sdk@37111633be [DDK] SDK should not contain full paths
dart-lang/sdk@740c72e251 [kernel] Mark class as non-dirty after computeCanonicalNames is run
dart-lang/sdk@2a94546f94 Fix flutter-frontend bot and future problems in flutter HHH bot

* Roll src/third_party/dart 7c1821c4aa...ea969c358e (6 commits)

dart-lang/sdk@7c1821c4aa [NNBD/VM] Restructure VM patch files for the NNBD dart sdk split
dart-lang/sdk@0c23664c8f [vm/fuzzer] Reduce number of methods per class
dart-lang/sdk@3135eb569d [vm/bytecode] Fix initial scope in field initializers
dart-lang/sdk@1345fb80ac Use TypeParameterElement instead of TypeParameterType in inference.
dart-lang/sdk@430ff6d649 Migration: fix "matching" functionality of edge testing infrastructure.
dart-lang/sdk@f1bff1b512 Add option to run ddb with observatory

dart-lang/sdk@ea969c358e [vm/assembler] Split popcnt and lzcnt tests over feature set
dart-lang/sdk@c9d187ec9c [vm/bytecode] Finalize type parameters while reading bytecode
dart-lang/sdk@397c7e4d9a Revert "[vm/bytecode] Enable bytecode compiler by default in Dart SDK"
dart-lang/sdk@108fe9cbcf Revert "[fuchsia] migrate from ioctls to FIDL"
dart-lang/sdk@ad7374fcdb assist to insert null checks
dart-lang/sdk@51d6145e77 [vm/assembler] Skip tests on hosts without POPCNT/LZCNT
dart-lang/sdk@27c127db86 Use Process.start in ddb
dart-lang/sdk@7305ae6c35 Revert "Update BoringSSL to 4dfd5af70191b068aebe567b8e29ce108cee85ce."
dart-lang/sdk@93793a4ee8 Migration: add tests to document missing `required` keyword functionality.
dart-lang/sdk@8acd1fe517 Update build rules to point to Fuchsia SDK rather than Flutter's buildroot
dart-lang/sdk@39ff937afa [vm] Rename _LocalXMirror to _XMirror.
dart-lang/sdk@bcca3c483b [vm/bytecode] Enable bytecode compiler by default in Dart SDK
dart-lang/sdk@b988928c33 Declare type system fields as Dart2TypeSystem where we cast them.
dart-lang/sdk@2e34231c8e [vm] Do not mirror default values of parameters of abstract methods
dart-lang/sdk@771ee9f9ba Pass the output directory to dartfix and install a listener when output should be generated
dart-lang/sdk@93f1324449 Update BoringSSL to 4dfd5af70191b068aebe567b8e29ce108cee85ce.
dart-lang/sdk@0ad30fafc1 [vm/assembler] Added cpufeatures, added LZCNT (IA32/X64)
dart-lang/sdk@4d9792668c Flow anaylsis: fix definite assignment tracking for for-each loop vars
dart-lang/sdk@b43bb452f0 [vm/concurrency] Fix asan memory leak caused by longjmp over std::function<> objects
dart-lang/sdk@f057e2506e [dart2js] Extended structured clone algorithm to JSObject.
dart-lang/sdk@b699852e6d Add 'out'/'inout' keywords for variance.
dart-lang/sdk@a1fdfb8fc8 Move ClassElement.thisType to API.
dart-lang/sdk@4102e63f37 Deprecate TypeProvider.listType/mapType
dart-lang/sdk@f1afb34924 Move strict-raw-type tests; add tests for extensions
dart-lang/sdk@4fcef04d61 Deprecate TypeProvider.iterableType/streamType
dart-lang/sdk@74af5f3496 Add a representation of the information captured from an nnbd migration
dart-lang/sdk@bd28bad820 [dartdevc] add modular tests for old ddc
dart-lang/sdk@9f4f0acb9e [vm/bytecode] Generate dependencies in front-end server in bytecode mode
dart-lang/sdk@678f561ea6 Syntax tests for disabled variance flag.
dart-lang/sdk@b510b91424 [vm] Bump abi version.
dart-lang/sdk@998a421128 Migration: expose fix reasons through the instrumentation interface.
dart-lang/sdk@a5683dfb62 Migration: add a repro for an issue with field formal parameters.
dart-lang/sdk@dce98a23d1 Fix a typo in a diagnostic message (issue 38449)
dart-lang/sdk@d4f1b8f8db Deprecate TypeProvider.futureType/futureOrType
dart-lang/sdk@546440074a Stop reporting diagnostics on synthetic identifiers (issue 38448)
dart-lang/sdk@f3b54fae0a Information for the migration result pages
dart-lang/sdk@205b90f0de Take 3 for '[vm/ffi] Implement FFI callbacks on AOT for ELF and Asm snapshots (excl. blobs).'
dart-lang/sdk@3731cfdef9 [vm] source report marks all const field as executed
dart-lang/sdk@a56b4ee790 [cfe] Thread nullability from source for function types
dart-lang/sdk@0c948521ca Update expectations in static_extesion_operators_test
dart-lang/sdk@ce6f40bccc [dartdevc] fix for const / overridden fields
dart-lang/sdk@38c6152884 [vm/concurrency] Add IsolateGroup::RunWithStoppedMutators and use it in various places
dart-lang/sdk@97b561a8de [cfe] Update CoreTypes to handle raw types with it
dart-lang/sdk@0281f9c425 [cfe] Add members to construct nullability in Library and LibraryBuilder
dart-lang/sdk@6a27310b87 Reland "[build] Speed up debug and simulator builds by running steps on the prebuilt VM."
dart-lang/sdk@4f1b0fdd0f [dart2js] (New RTI) Check all subtypes for trivial substitutions only when necessary.
dart-lang/sdk@12c1b43365 Substitute bounds of fresh type parameters using all fresh type parameters.
dart-lang/sdk@1a812bb6bb Deprecate TypeProvider.setType
dart-lang/sdk@4b6ab33cfa [SDK] Reland: Remove dart:profiler library which has been deprecated since Dart 1.2       and remove all references to it in tests and the SDK build scripts.
dart-lang/sdk@30d24335a8 [vm] Fix all wasm exception memory leaks
dart-lang/sdk@bab399b5ae [vm, arm64] Add missing store barrier to PushArrayOfArguments.
dart-lang/sdk@085f81224a [fuchsia] migrate from ioctls to FIDL

dart-lang/sdk@cb80ea7ba9 [vm/bytecode] Avoid using stale bytecode after expression evaluation
dart-lang/sdk@765651b079 Fix some diagnostics in ddb tool
dart-lang/sdk@fc4021b68d [vm/assembler] add support for bsf, bsr, popcnt (IA32/X64)
dart-lang/sdk@0a5d6a5263 [ VM / Service ] Add --write-service-info=<filename> flag to allow for writing VM service connection information to a file
dart-lang/sdk@37016a7397 Migration: use virtual dispatch to compute nullability fix descriptions.
dart-lang/sdk@5fc5c68c87 [vm/fuzzer] Deprecate DBC from DartFuzz tools
dart-lang/sdk@e32706ec05 Remove '--use-summary2' from DAS.
dart-lang/sdk@f342d07b0d Report an error if an extension override is used in a cascade (issue 38417)

dart-lang/sdk@f22f62c85d [vm/bytecode] Fix assertion in simdbc version of Environment::DropArguments
dart-lang/sdk@f7e0968955 [vm] Remove redundant classes from wasm.cc
dart-lang/sdk@b0fa0aebb7 [build] Ensure kernel service trains on the source.
dart-lang/sdk@d4fd853523 fix for unused_element
dart-lang/sdk@6e76bdac38 [vm, gc] Provide more information when VisitPointers/HeapSize fails.

dart-lang/sdk@7505b3a5f0 [vm] Boilerplate for wasm types.
dart-lang/sdk@4adbc8f1e6 Use single TypeSystem.inferGenericFunctionOrType(), avoid using full generic DartType.
dart-lang/sdk@7f90b562be Migration: clean up nomenclature of graph edge "sources".
dart-lang/sdk@9bb9c05f92 Rename EdgeInfo.hard to EdgeInfo.isHard
dart-lang/sdk@478e3cfe87 Migration: test and fix a few more instrumentation corner cases.
dart-lang/sdk@9753a397bf Allow responses with no "type" field to succeed for ServiceExtensionConsumers.
dart-lang/sdk@e00c8f3cb7 Add a command-line option to dartfix to specify the output directory
dart-lang/sdk@b87c9afb82 Revert "Reland "[build] Speed up debug and simulator builds by running steps on the prebuilt VM.""
dart-lang/sdk@9f0872847d [VM] Linux with symbolic link to dart: still find kernel-service snapshot
dart-lang/sdk@f309ca5faa improvements to remove_unused_local_variable
dart-lang/sdk@9385a879e5 Status file cleanup.
dart-lang/sdk@dd83ded1e9 Add output directory field to dartfix API
dart-lang/sdk@93980b75ce Add TypeProvider.xyzType2() for platform classes with type parameters.
dart-lang/sdk@035c428b31 Delete language_2/config_import_test.
dart-lang/sdk@1222a97e46 [nnbd_migration] principle is check types non-null, component types nullable
dart-lang/sdk@114fdbc50b Fix the messages associated with the invalid_override diagnostic
dart-lang/sdk@eb208b1074 Move inference-failure-on-collection-literal tests
dart-lang/sdk@74fb313c78 nodeInList utility
dart-lang/sdk@631e547c2f [vm/bytecode] Setup initial scope before the first CheckStack
dart-lang/sdk@6a9d792454 Move NullabilitySuffix to API.
dart-lang/sdk@4ae145e173 Migration: Introduce an instrumentation interface.
dart-lang/sdk@90b44e77d8 Report strict-inference issues with function return types
dart-lang/sdk@c1d0ca7518 [vm/bytecode] Minor cleanup.
dart-lang/sdk@ecc99cca3b Fix lib_2/async/stream_distinct_test.
dart-lang/sdk@0d0630bf52 Compile with -lpthread by default on linux.
dart-lang/sdk@405ff47ebe Add ClassElement.isDartCoreObject, use instead of 'classElement.type.isObject'.
dart-lang/sdk@3290912366 Remove code reference to Never
dart-lang/sdk@46f2603781 Reland "[build] Speed up debug and simulator builds by running steps on the prebuilt VM."
dart-lang/sdk@07cd62af19 [ package:vm_service ] 2.0.0 Release: Added named parameters to VM service object constructors
dart-lang/sdk@188ad65b2d [vm] Support serializaing PcDescriptors in kFull snapshots.
dart-lang/sdk@e978b32a7e Stop using '.type' in analysis_server.
dart-lang/sdk@87ba885a45 Delete language_2/call_method_implicit_tear_off_implements_function_test.
dart-lang/sdk@b53b425195 Migration: change EdgeOrigin classes to store AST nodes rather than offsets.
dart-lang/sdk@233189e598 Migration: clean up EdgeOrigin class hierarchy.
dart-lang/sdk@74db01f1c2 Migration: Remove edge origins from GraphEdge data structure.
dart-lang/sdk@963b98715d [vm/fuzzer] Reduce limit on emitted classes
dart-lang/sdk@ec1b9615b1 fix for unused_field
dart-lang/sdk@c5c2c1bcca Migration: Fix assignment of FutureOr<T> to FutureOr<U>.
dart-lang/sdk@f470695875 Stop using ClassElement/TypeParameterElement.type in tests.

dart-lang/sdk@f8f0b845c2 [vm/bytecode] Fix lazy lookup of line starts with bytecode and app-jit
dart-lang/sdk@aa318ee261 Add Class/TypeParameter/FunctionTypeAliasElement.instantiate() methods.
dart-lang/sdk@4575e4df37 fix for UNUSED_LOCAL_VARIABLE
dart-lang/sdk@4512b22595 [vm/fuzzer] Call all virtual methods
dart-lang/sdk@f7638fc2fb [vm/fuzzer] Filter exponential assigments
dart-lang/sdk@f234830998 Cut dart:ffi dependency to fix simarm build
dart-lang/sdk@64d4fc59fe [vm/bytecode] Load referenced classes more efficiently
dart-lang/sdk@3e1154cb5b [vm/bytecode] Move CheckStack after function type arguments handling
dart-lang/sdk@bded2e015e [vm/fuzzer] fix newline when printing timeouts
dart-lang/sdk@8d7daafdaf [dart_internal] Bump SDK upper-bound to <2.7.0
dart-lang/sdk@7ee192e7c7 [vm/bytecode] Do not create bytecode CodeBreakpoint if interpreter is not enabled
dart-lang/sdk@330fccbc0d Implement extension override in summary2
dart-lang/sdk@08518a6d5e Stop using ClassElement.type and InterfacecType.instantiate in TypeSystem tests.
dart-lang/sdk@d53086e005 Fix strict-inference failure on ctor call to allow upwards dynamic
dart-lang/sdk@ed9e89ea38 Implement a basic WASM API using wasmer.
dart-lang/sdk@e8413cd08d Add a fix to allow unqualified references to static members to be qualified.

This reverts commit 3f76f55b.