Roll src/third_party/dart 9dcb026b26..6e0d978505 (72 commits)

dart-lang/sdk@6e0d978505 Build elements in default values.
dart-lang/sdk@612a3f8978 [dartdevc] enable sdk compilation from dartdevc
dart-lang/sdk@587806476f Remove parsed units caching for now.
dart-lang/sdk@7e9a4b786d [VM/benchmarks] Rework Dart2JSCompileAll test to instead do CFE compile all
dart-lang/sdk@8270e90f84 [vm/transferable] SkipSlow long-running transferable test on sim* platforms
dart-lang/sdk@3d92a7599b [vm] Censor mirroring of dart:ffi when --enable-ffi=false
dart-lang/sdk@41eea71a69 improve dartfix fix descriptions and add examples
dart-lang/sdk@ea60ef96dc [ VM ] Fixed data_uri_import_test which was never migrated properly to Dart 2
dart-lang/sdk@b324850eae cleanup list of fixes in dartfix help text
dart-lang/sdk@c4541e63f8 [vm/aot] Update serializer for V8's "snapshot profile" format
dart-lang/sdk@c130384c71 Migration: support assignments to fields and setters.
dart-lang/sdk@4ccae238ea [vm/isolate] Add TransferableTypedData class that allows low-cost passing of Uint8List between isolates.
dart-lang/sdk@527dffd21b Use StringSource in type provider tests to prevent bad path lookups.
dart-lang/sdk@09296499c2 Resolve type names in decls to * types in legacy libs
dart-lang/sdk@4bdd6e160b Compute unlinked API signatures from AST.
dart-lang/sdk@e9b25d72a1 [vm/ffi] Fix double shadow space on safepoint slow path
dart-lang/sdk@04670fb47a [vm] Cleanup Dart 1 code in ClassFinalizer::AllocateEnumValues
dart-lang/sdk@14b75b522b Remove some unused imports
dart-lang/sdk@6b7013224c Revert "[vm/ffi] Regression test for dartbug.com/36993"
dart-lang/sdk@30390c6ba1 Prepare to compute the documentation URL for diagnostics
dart-lang/sdk@dab26bbd60 [vm/aot] Re-enable vm/dart tests in AOT.
dart-lang/sdk@c34f74fd68 Update the minimum SDK constraint to allow the use of ui-as-code features
dart-lang/sdk@dd306dd36f [vm/ffi] Remove hacks and instability from FFI GC tests.
dart-lang/sdk@e1a7ef52af [vm/ffi] Regression test for dartbug.com/36993
dart-lang/sdk@ba8e5f6535 list fixes when displaying help
dart-lang/sdk@2e7501b1f8 [vm/compiler] Refine type information when replacing definitions.
dart-lang/sdk@b9e877be78 Extract informative data from linked data.
dart-lang/sdk@3bd2b03980 Issue 2972. Fix 'Wrap with...' for assignment.
dart-lang/sdk@4a27605fdc generate kernel experimental flags
dart-lang/sdk@0bcb607868 [vm/compiler] Reland "Fix receiver redefinition type for poly inlining."
dart-lang/sdk@64b0ce5b58 Remove UI as code experimental flags from our tests
dart-lang/sdk@3894b0896e Add partial code tests for extension methods
dart-lang/sdk@7e933abe68 Convert more tests to include diagnostic location information
dart-lang/sdk@a8a0aff237 Add `@Since` annotations to some recent and future features.
dart-lang/sdk@56793b3d47 Dart.g fixes, not including nnbd updates.
dart-lang/sdk@c8ee114beb [cfe] Pass triple-shift flag to scanner.
dart-lang/sdk@e9acd9033e [fasta] Add test for runtime checks in mixins with implicit covariance
dart-lang/sdk@1e6f08d41c Fix crash when non-class is given as supertype
dart-lang/sdk@b4d190f5cd [incremental compiler] Streamline processing of reused/removed builders
dart-lang/sdk@5eff2a0374 Split CanonicalNameError, no warning if CanonicalNameSdkError
dart-lang/sdk@0c1c0afba3 Fix the documentation for ElementVisitor (issue 37151)
dart-lang/sdk@cabd3237f5 Build new elements for GenericFunctionType in DeclarationResolver.
dart-lang/sdk@237d3ca398 dart2js: Add skeleton dart:_rti libary
dart-lang/sdk@63994f054e [ VM ] Added Dart_IsolateServiceID() to the embedding API
dart-lang/sdk@e81101e37c [vm, fuchsia] Allow for enabling trace categories through both traceutil and the service protocol.
dart-lang/sdk@b079445295 [vm, profiler] Fix unsigned underflow with an empty set of profiler symbols.
dart-lang/sdk@9efd0fa899 Use the right type provider based on the feature set of the library
dart-lang/sdk@bbf0055a28 Follow up on recent computer_hover.dart changes, the containingLibraryName should not include relative paths from /.
dart-lang/sdk@86ea9ad1e7 [vm/bytecode] Add source positions for more bytecode instructions
dart-lang/sdk@9cfe9bd34e [analyzer] Fix runtime error when creating SDK manager
dart-lang/sdk@9a061448a5 Migration: support assignment to index expressions.
dart-lang/sdk@50efa48bc1 [vm/bytecode] Cleanup uses of KernelReaderHelper from bytecode reader
dart-lang/sdk@74636a5777 Generate more fine-grained timing of the emission
dart-lang/sdk@ffea2b3245 [vm/debugger] Implement debug breaks in interpreter without bytecode patching.
dart-lang/sdk@487326eef4 fix AstTextPrinter
dart-lang/sdk@9b22dd8e92 remove hard coded feature index
dart-lang/sdk@37976dd26d Improve test so that snippet is displayed when an exception is thrown
dart-lang/sdk@788dcf681e Set or map literals can be ambiguous in invalid code
dart-lang/sdk@94968f9bae Correct LSP completion relevance to add maximum boost instead of all boosts
dart-lang/sdk@42688f9d28 Migration: add support for reads from fields.
dart-lang/sdk@2cd86030a5 Fix return value in GraphBuilder.visitVariableDeclaration.
dart-lang/sdk@9197b34a0e generate analyzer experimental flags
dart-lang/sdk@4181185070 parse nullable function typed formal parameter
dart-lang/sdk@682ffb6e7a Handle unevaluated constants in annotations
dart-lang/sdk@79989d2627 Migration: recognize /*?*/ as expressing nullability.
dart-lang/sdk@4402fbe672 Migration: support index expressions.
dart-lang/sdk@c388c263b0 Fix potentially-nullable test case
dart-lang/sdk@a684f2051b Reduce JSON for LSP completions by moving edits to resolve
dart-lang/sdk@2f0c9904ee Remove docs from LSP (suggestion set) completions and provide during resolve
dart-lang/sdk@91b3281531 Reduce LSP completion JSON by removing optional fields set to defaults
dart-lang/sdk@6031ca4116 Remove an unused import from the LSP support
dart-lang/sdk@37b714401d Add AvailableSuggestion.declaringLibraryUri

DEPS

@@ -31,7 +31,7 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/master/DEPS.
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': '9dcb026b264faf8be5e894dc227728fedb3fff33',
+  'dart_revision': '6e0d978505ae03fe7c95135a4aed764e6f27c419',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py

ci/licenses_golden/licenses_third_party

@@ -1,4 +1,4 @@
-Signature: 4541d8f8b529d6b1e61e305c8202d978
+Signature: 35c0d3554bc63bc09e6f9e4b1db648dd
 
 UNUSED LICENSES:
 
@@ -5170,6 +5170,7 @@ FILE: ../../../third_party/dart/runtime/vm/compiler/backend/flow_graph_checker.c
 FILE: ../../../third_party/dart/runtime/vm/compiler/backend/flow_graph_checker.h
 FILE: ../../../third_party/dart/runtime/vm/compiler/backend/il_test_helper.cc
 FILE: ../../../third_party/dart/runtime/vm/compiler/backend/il_test_helper.h
+FILE: ../../../third_party/dart/runtime/vm/compiler/backend/inliner_test.cc
 FILE: ../../../third_party/dart/runtime/vm/compiler/backend/slot_test.cc
 FILE: ../../../third_party/dart/runtime/vm/compiler/backend/type_propagator_test.cc
 FILE: ../../../third_party/dart/runtime/vm/compiler/backend/typed_data_aot_test.cc
@@ -5239,6 +5240,7 @@ FILE: ../../../third_party/dart/samples/ffi/sqlite/lib/src/database.dart
 FILE: ../../../third_party/dart/samples/ffi/sqlite/lib/src/ffi/arena.dart
 FILE: ../../../third_party/dart/samples/ffi/sqlite/lib/src/ffi/cstring.dart
 FILE: ../../../third_party/dart/samples/ffi/sqlite/lib/src/ffi/dylib_utils.dart
+FILE: ../../../third_party/dart/sdk/lib/_internal/js_runtime/lib/rti.dart
 FILE: ../../../third_party/dart/sdk/lib/ffi/annotations.dart
 FILE: ../../../third_party/dart/sdk/lib/ffi/dynamic_library.dart
 FILE: ../../../third_party/dart/sdk/lib/ffi/ffi.dart