Changes since last roll
```
4e2f5b06898 (tag: 3.0.0-422.0.dev) Version 3.0.0-422.0.dev
56320c94cbc [infra] Add missing symbolizer environment variables to isolate stress test runner.
2a38b22aeda Add a few more class modifiers.
386a87a8905 [vm/win] Better exception handling on Windows x64.
11f5ed8f8ac (tag: 3.0.0-421.0.dev) Version 3.0.0-421.0.dev
70559a9514e Add support for enums in the macro APIs
e6099c86dd9 Replace assertNamedType() with textual expectations.
d869fe93e29 [ddc] Update e2e breakpoint pause detection
60d9943ce05 Replace assertUnresolvedSimpleIdentifier() with textual expectations.
a0993992240 (tag: 3.0.0-420.0.dev) Version 3.0.0-420.0.dev
0c7c721402e Catch use of optional ctor param via super ctor invocation
dd8af892691 (tag: 3.0.0-419.0.dev) Version 3.0.0-419.0.dev
7906ccf7eae [analyzer] Start using IndexError.check in library_element.
e945ac60511 Replace assertIdentifierTopGetRef() and friends with textual expectations.
d83dcd59e18 [ddc] Add retry logic to the e2e suite cleanup
033b567c2ac Replace assertInvokeTypeDynamic() with textual expectations.
6d29fc8d8f5 Replace assertSimpleFormalParameter() with textual expectations.
c08c443a5e9 Replace assertImplicitCallReference() with textual expectations.
aca1779661c Move annotation resolution tests from AnalysisDriverResolutionTest.
b6b8b00daa9 [vm/compiler] Fix compiler crash when unboxed record is used in a try block
ed9f3cf78ab (tag: 3.0.0-418.0.dev) Version 3.0.0-418.0.dev
b1c0f16a510 Issue 51961. Suggest getter names inside pattern of named PatternField without name, inside RecordPattern.
709465da6b1 Enable language 3.0 for analyzer_cli/.
ed369f4a07d [deps] rev http, source_span, sync_http, tools, webdev
7573d4b1ded [deps] rev boolean_selector, browser_launcher, clock, crypto, csslib, dartdoc, html, term_glyph, test, webdev, yaml_edit
e90e43138eb [infra] Fix missing process_test for simarm_x64 builders.
da1898e0c76 [analysis_server] Prevent "dart fix" prompts if do-not-show preferences cannot be persisted
ab712b5fd3f [co19] Roll co19 to ad6c7258ca40aab2a08f56cb726483b47de896d8
```