reland(tool): remove redundant --enable-experiment=record-use flag by kevmoo · Pull Request #190591 · flutter/flutter · GitHub
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reland(tool): remove redundant --enable-experiment=record-use flag - #190591

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kevmoo:fix-web-test-record-use
Aug 5, 2026
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reland(tool): remove redundant --enable-experiment=record-use flag#190591
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kevmoo:fix-web-test-record-use

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@kevmoo kevmoo commented Aug 5, 2026

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Relands #190475 (reverted in #190583 due to a semantic collision with #190476).

When compiling web targets (dart2js and dart2wasm) or running dry runs with the record-use feature flag enabled, flutter_tools explicitly passed --enable-experiment=record-use to the compiler. Since record-use is enabled by default in recent Dart SDKs, passing this flag caused warning spam during standard compilation and dry runs.

Fixes #190465

Relands flutter#190475 (reverted in flutter#190583 due to a semantic collision with flutter#190476).

When compiling web targets (dart2js and dart2wasm) or running dry runs with the record-use feature flag enabled, flutter_tools explicitly passed --enable-experiment=record-use to the compiler. Since record-use is enabled by default in recent Dart SDKs, passing this flag caused warning spam during standard compilation and dry runs.

* Remove --enable-experiment=record-use from Dart2JSTarget and Dart2WasmTarget in web.dart.
* Remove expected flag from test commands in web_test.dart and web_dry_run_test.dart, including the recently added occurrence in addWasmCompilerErrorCommand from flutter#190476 that caused the post-commit test failure.

Fixes flutter#190465
@flutter-dashboard flutter-dashboard Bot added the CICD Run CI/CD label Aug 5, 2026
@github-actions github-actions Bot added the tool Affects the "flutter" command-line tool. See also t: labels. label Aug 5, 2026

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Code Review

This pull request removes the '--enable-experiment=record-use' compiler flag from the Dart2JS and Dart2Wasm build targets in the web build system, and updates the associated dry-run and unit tests to match. I have no feedback to provide.

@kevmoo
kevmoo requested a review from mdebbar August 5, 2026 00:44
@kevmoo kevmoo added the autosubmit Merge PR when tree becomes green via auto submit App label Aug 5, 2026
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@kevmoo kevmoo added the autosubmit Merge PR when tree becomes green via auto submit App label Aug 5, 2026
@auto-submit auto-submit Bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Aug 5, 2026
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@kevmoo kevmoo added the autosubmit Merge PR when tree becomes green via auto submit App label Aug 5, 2026
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auto-submit Bot added this pull request to the merge queue Aug 5, 2026
Merged via the queue into flutter:master with commit 27b0988 Aug 5, 2026
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@flutter-dashboard flutter-dashboard Bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Aug 5, 2026
auto-submit Bot pushed a commit to flutter/packages that referenced this pull request Aug 10, 2026
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Manual roll requested by stuartmorgan@google.com

flutter/flutter@b766512...27b0988

2026-08-05 kevmoo@users.noreply.github.com reland(tool): remove redundant --enable-experiment=record-use flag (flutter/flutter#190591)
2026-08-05 chris@bracken.jp Windows: Propagate enabled accessibility state (flutter/flutter#190507)
2026-08-05 engine-flutter-autoroll@skia.org Roll Fuchsia Test Scripts from ltbuIH9Z3T_yOuigu... to vcANVO8VIDQHasH1X... (flutter/flutter#190589)
2026-08-05 256906086+mvincentong@users.noreply.github.com Document frozen embedder API structs (flutter/flutter#186842)
2026-08-05 49402500+fahaddoc@users.noreply.github.com Document super call order for State.didChangeDependencies (flutter/flutter#185945)
2026-08-05 dkwingsmt@users.noreply.github.com Move examples of `flutter/widgets` widgets out from `flutter/material` (flutter/flutter#189532)
2026-08-05 93888664+ColeSpringer@users.noreply.github.com [web] Use thread local strike caches in skwasm (flutter/flutter#190048)
2026-08-05 43089218+chika3742@users.noreply.github.com doc: fix typo in see also section for PrimaryScrollController.maybeOf (flutter/flutter#190386)
2026-08-05 jason-simmons@users.noreply.github.com Migrate the shell unit tests from legacy Dart native functions to FFI (flutter/flutter#190473)
2026-08-05 47866232+chunhtai@users.noreply.github.com render proxy box now defaults baseline calculation to null (flutter/flutter#190269)
2026-08-05 36861262+QuncCccccc@users.noreply.github.com Update Widgets Localizations from Translation Console (flutter/flutter#190503)
2026-08-04 154381524+flutteractionsbot@users.noreply.github.com Revert: fix(tool): remove redundant --enable-experiment=record-use flag (flutter/flutter#190583)
2026-08-04 engine-flutter-autoroll@skia.org Roll Fuchsia Test Scripts from 1frGe_KltAJKkeyPg... to ltbuIH9Z3T_yOuigu... (flutter/flutter#190561)
2026-08-04 chris@bracken.jp iOS,macOS: add tsan and ubsan support for Swift (flutter/flutter#190497)
2026-08-04 34465683+rkishan516@users.noreply.github.com fix: update on_message_ to nullptr after window destroy so that dart gets destroy message  (flutter/flutter#185807)
2026-08-04 bkonyi@google.com [flutter_tools] Gracefully handle locked Windows files during clean (flutter/flutter#190095)
2026-08-04 chris@bracken.jp iOS,macOS: make Logger thread-safe, conform to Sendable (flutter/flutter#190488)
2026-08-04 chris@bracken.jp iOS: Eliminate use of IOSContextNoop in platform view tests (reland) (flutter/flutter#190509)
2026-08-04 kevmoo@users.noreply.github.com fix(tool): remove redundant --enable-experiment=record-use flag (flutter/flutter#190475)
2026-08-04 awolff@google.com android_hardware_smoke_test: Detect blank image failures or EGL initialization warnings and retry (flutter/flutter#190110)
2026-08-04 30870216+gaaclarke@users.noreply.github.com Bumps text gamma on windows to match skia. (flutter/flutter#190477)
2026-08-04 engine-flutter-autoroll@skia.org Roll Skia from 48b58ee222f1 to a8583a0a2c11 (2 revisions) (flutter/flutter#190537)
2026-08-04 kevmoo@users.noreply.github.com [tool][web] Intercept dart2wasm errors & append JS migration footers (flutter/flutter#190476)
2026-08-04 dacoharkes@google.com [record_use] Migrate IconTreeShaker to `package:record_use` (flutter/flutter#190225)
2026-08-04 s4bre.py@gmail.com Handle unexpected exceptions during Azure metadata detection (flutter/flutter#189457)
2026-08-04 15619084+vashworth@users.noreply.github.com Fix merge conflict from flutter/flutter#190369 (flutter/flutter#190544)
2026-08-04 15619084+vashworth@users.noreply.github.com Prepare device support symbols (flutter/flutter#190369)
2026-08-04 engine-flutter-autoroll@skia.org Roll Packages from ac87e65 to 3498b9d (1 revision) (flutter/flutter#190532)
2026-08-04 engine-flutter-autoroll@skia.org Roll Skia from a08d918ebd6a to 48b58ee222f1 (11 revisions) (flutter/flutter#190527)

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

To file a bug in Packages: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
@kevmoo
kevmoo deleted the fix-web-test-record-use branch September 4, 2026 22:32
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[tool][web] Remove redundant '--enable-experiment=record-use' flag from web compilers

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