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Clang format will reject valid uses of C++ (like the spaceship operator definition) because they are not valid C++11. This tweaks how clang-format treats sources.

I tried to get rid of the redundant .clang-format files but they all specify other options and don't cascade. So just let the files be and only updated the version.

Clang format will reject valid uses of C++ (like the spaceship operator
definition) because they are not valid C++11. This tweaks how
clang-format treats sources.

I tried to get rid of the redundant .clang-format files but they all
specify other options and don't cascade. So just let the files be and
only updated the version.
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It looks like this pull request may not have tests. Please make sure to add tests or get an explicit test exemption before merging.

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@github-actions github-actions bot added engine flutter/engine related. See also e: labels. e: impeller Impeller rendering backend issues and features requests labels Sep 2, 2025
# 'vector<vector<int> >' in existing files gets formatted to
# 'vector<vector<int>>'. ('Auto' means that clang-format will only use
# 'int>>' if the file already contains at least one such instance.)
Standard: Cpp11
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Cpp11 was a deprecated alias. The newer standards use ++

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Code Review

This pull request updates multiple .clang-format files to set the C++ standard to C++20. This is a good change that allows the formatter to correctly handle modern C++ syntax. My review includes suggestions to remove outdated and potentially confusing comments from these configuration files to improve their clarity and maintainability, in accordance with the project's style guide which emphasizes readability.

Comment on lines +4 to +5
# This defaults to 'Auto'.
Standard: c++20
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medium

The comment on line 4, # This defaults to 'Auto'., is confusing as the Standard is explicitly set to c++20 on the next line. This comment appears to be a leftover from a previous version. To improve clarity and align with the style guide's principle of readability, I recommend removing it.1

Standard: c++20

Style Guide References

Footnotes

  1. Code should be optimized for readability. (link)

Comment on lines 5 to +8
# 'vector<vector<int> >' in existing files gets formatted to
# 'vector<vector<int>>'. ('Auto' means that clang-format will only use
# 'int>>' if the file already contains at least one such instance.)
Standard: Cpp11
Standard: c++20
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medium

This multi-line comment was relevant for the C++11 standard to ensure correct formatting of nested templates (e.g., vector<vector<int>>). With the move to C++20, this comment is obsolete. For consistency with other .clang-format files updated in this PR and to improve readability, it should be removed.1

Standard: c++20

Style Guide References

Footnotes

  1. Code should be optimized for readability. (link)

Comment on lines +4 to +5
# This defaults to 'Auto'.
Standard: c++20
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medium

The comment on line 4, # This defaults to 'Auto'., is confusing as the Standard is explicitly set to c++20 on the next line. This comment appears to be a leftover from a previous version. To improve clarity and align with the style guide's principle of readability, I recommend removing it.1

Standard: c++20

Style Guide References

Footnotes

  1. Code should be optimized for readability. (link)

@chinmaygarde chinmaygarde added the autosubmit Merge PR when tree becomes green via auto submit App label Sep 2, 2025
@auto-submit auto-submit bot added this pull request to the merge queue Sep 2, 2025
Merged via the queue into flutter:master with commit 754b93f Sep 2, 2025
68 of 69 checks passed
@flutter-dashboard flutter-dashboard bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Sep 2, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Sep 3, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Sep 3, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Sep 3, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Sep 4, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Sep 4, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Sep 4, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Sep 4, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Sep 5, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Sep 5, 2025
auto-submit bot pushed a commit to flutter/packages that referenced this pull request Sep 5, 2025
Roll Flutter from 6b18740d5a23 to 87d5b753196c (88 revisions)

flutter/flutter@6b18740...87d5b75

2025-09-05 [email protected] [ Device Lab ] Add regression testing for flutter/flutter#174952 (flutter/flutter#174956)
2025-09-05 [email protected] Roll Skia from 0ca53adfc6cc to 845ec125e94c (2 revisions) (flutter/flutter#174978)
2025-09-05 [email protected] [a11y-app] Fix NavigationRail leading and trailing labels (flutter/flutter#174861)
2025-09-05 [email protected] Roll Skia from d7e99be07d5d to 0ca53adfc6cc (5 revisions) (flutter/flutter#174972)
2025-09-05 [email protected] Roll Fuchsia Linux SDK from izfNA3o_2zL4Cjqmy... to xG_uERsxHvUwFHpF2... (flutter/flutter#174970)
2025-09-04 [email protected] Fix IconButton.color overrided by IconButtomTheme (flutter/flutter#174515)
2025-09-04 [email protected] [web] Reuse chrome instance to run all flutter tests (flutter/flutter#174957)
2025-09-04 [email protected] fix(Semantics): Ensure semantics properties take priority over button's (flutter/flutter#174473)
2025-09-04 [email protected] Make every LLDB Init error message actionable (flutter/flutter#174726)
2025-09-04 [email protected] Fix table cell semantics rect alignment issues.  (flutter/flutter#174914)
2025-09-04 [email protected] Fix: Use route navigator for CupertinoSheetRoute pop (flutter/flutter#173103)
2025-09-04 [email protected] [ Widget Preview] Add `group` property to `Preview` (flutter/flutter#174849)
2025-09-04 [email protected] Allow OverlayPortal.overlayChildLayoutBuilder to choose root Overlay (flutter/flutter#174239)
2025-09-04 [email protected] Roll Skia from 7c2f502e3304 to d7e99be07d5d (18 revisions) (flutter/flutter#174936)
2025-09-04 [email protected] Remove 'terms of use' wording from web_unicode (flutter/flutter#174939)
2025-09-04 [email protected] [ Tool ] Remove leftover Android x86 deprecation warning constant (flutter/flutter#174941)
2025-09-04 [email protected] Prevent potential crash when accessing window in FlutterSceneDelegate (flutter/flutter#174873)
2025-09-04 [email protected] Roll Packages from 42bb347 to 98580c6 (5 revisions) (flutter/flutter#174943)
2025-09-04 [email protected] [ Device Lab ] Fix wakefulness check to only match log entries with string values (flutter/flutter#174953)
2025-09-04 [email protected] Fix expanded DropdownMenu panel is shorter than text field (flutter/flutter#174443)
2025-09-04 [email protected] Add a `viewController` property to the ios/macOS `FlutterPluginRegistrar` protocol  (flutter/flutter#174168)
2025-09-03 [email protected] Roll Fuchsia Linux SDK from J3T_wZqL_57mRfWky... to izfNA3o_2zL4Cjqmy... (flutter/flutter#174908)
2025-09-03 [email protected] Wires up Android API to set section locale (flutter/flutter#173364)
2025-09-03 [email protected] Delete impeller::SPrintF. (flutter/flutter#174900)
2025-09-03 [email protected] Make sure that a DropdownMenuFormField doesn't crash in 0x0 environment (flutter/flutter#174777)
2025-09-03 [email protected] Remove unnecessary `presubmit_max_attempts` from .ci.yaml (flutter/flutter#174885)
2025-09-03 [email protected] Use local canvaskit in `dart_data_asset_test.dart` (flutter/flutter#174891)
2025-09-03 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Mark Linux web_canvaskit_tests_7_last as bringup (#174878)" (flutter/flutter#174897)
2025-09-03 [email protected] Correct intrinsics calculation for CupertinoTextField with placeholder (flutter/flutter#174889)
2025-09-03 [email protected] Considers large title height in CupertinoNavigationBar's preferred size (flutter/flutter#173722)
2025-09-03 [email protected] [A11y] Add semantics for CupertinoExpansionTile (flutter/flutter#174480)
2025-09-03 [email protected] Fix LinearProgressIndicator track painting. (flutter/flutter#173108)
2025-09-03 [email protected] update triage documentation to include team-android (flutter/flutter#174850)
2025-09-03 [email protected] Update `test_timeout_secs` to match `timeout` for `Linux web_skwasm_tests_*` and `Linux web_canvaskit_tests_*` (flutter/flutter#174881)
2025-09-03 [email protected] Roll Packages from 5d785a0 to 42bb347 (10 revisions) (flutter/flutter#174876)
2025-09-03 [email protected] Fixup formatting of gn files in the old buildroot. (flutter/flutter#174852)
2025-09-03 [email protected] Roll Dart SDK to 3.10.0-162.1.beta (flutter/flutter#174834)
2025-09-03 [email protected] Mark Linux web_canvaskit_tests_7_last as bringup (flutter/flutter#174878)
2025-09-02 [email protected] [Impeller] Fix overdraw in DrawRect geometry (flutter/flutter#174735)
2025-09-02 [email protected] Patch .clang-format files to specify C++20. (flutter/flutter#174848)
2025-09-02 [email protected] Add data assets (flutter/flutter#174685)
2025-09-02 [email protected] refactors `FlutterPlugin.kt` to use one line statement in the `into` bloc (flutter/flutter#174759)
2025-09-02 [email protected] Ensures initial semantics state is sent to engine (flutter/flutter#174845)
2025-09-02 [email protected] [Android] Break up plugin_test integration tests (flutter/flutter#174728)
2025-09-02 [email protected] Fix: Assertion failure in RawScrollbarState with dynamic controller assignment (flutter/flutter#173156)
2025-09-02 [email protected] Roll Skia from 359f3d7cc7ed to 7c2f502e3304 (1 revision) (flutter/flutter#174844)
...
mboetger pushed a commit to mboetger/flutter that referenced this pull request Sep 18, 2025
Clang format will reject valid uses of C++ (like the spaceship operator
definition) because they are not valid C++11. This tweaks how
clang-format treats sources.

I tried to get rid of the redundant .clang-format files but they all
specify other options and don't cascade. So just let the files be and
only updated the version.
Jaineel-Mamtora pushed a commit to Jaineel-Mamtora/flutter_forked that referenced this pull request Sep 24, 2025
Clang format will reject valid uses of C++ (like the spaceship operator
definition) because they are not valid C++11. This tweaks how
clang-format treats sources.

I tried to get rid of the redundant .clang-format files but they all
specify other options and don't cascade. So just let the files be and
only updated the version.
danferreira pushed a commit to danferreira/packages that referenced this pull request Oct 22, 2025
…r#9962)

Roll Flutter from 6b18740d5a23 to 87d5b753196c (88 revisions)

flutter/flutter@6b18740...87d5b75

2025-09-05 [email protected] [ Device Lab ] Add regression testing for flutter/flutter#174952 (flutter/flutter#174956)
2025-09-05 [email protected] Roll Skia from 0ca53adfc6cc to 845ec125e94c (2 revisions) (flutter/flutter#174978)
2025-09-05 [email protected] [a11y-app] Fix NavigationRail leading and trailing labels (flutter/flutter#174861)
2025-09-05 [email protected] Roll Skia from d7e99be07d5d to 0ca53adfc6cc (5 revisions) (flutter/flutter#174972)
2025-09-05 [email protected] Roll Fuchsia Linux SDK from izfNA3o_2zL4Cjqmy... to xG_uERsxHvUwFHpF2... (flutter/flutter#174970)
2025-09-04 [email protected] Fix IconButton.color overrided by IconButtomTheme (flutter/flutter#174515)
2025-09-04 [email protected] [web] Reuse chrome instance to run all flutter tests (flutter/flutter#174957)
2025-09-04 [email protected] fix(Semantics): Ensure semantics properties take priority over button's (flutter/flutter#174473)
2025-09-04 [email protected] Make every LLDB Init error message actionable (flutter/flutter#174726)
2025-09-04 [email protected] Fix table cell semantics rect alignment issues.  (flutter/flutter#174914)
2025-09-04 [email protected] Fix: Use route navigator for CupertinoSheetRoute pop (flutter/flutter#173103)
2025-09-04 [email protected] [ Widget Preview] Add `group` property to `Preview` (flutter/flutter#174849)
2025-09-04 [email protected] Allow OverlayPortal.overlayChildLayoutBuilder to choose root Overlay (flutter/flutter#174239)
2025-09-04 [email protected] Roll Skia from 7c2f502e3304 to d7e99be07d5d (18 revisions) (flutter/flutter#174936)
2025-09-04 [email protected] Remove 'terms of use' wording from web_unicode (flutter/flutter#174939)
2025-09-04 [email protected] [ Tool ] Remove leftover Android x86 deprecation warning constant (flutter/flutter#174941)
2025-09-04 [email protected] Prevent potential crash when accessing window in FlutterSceneDelegate (flutter/flutter#174873)
2025-09-04 [email protected] Roll Packages from 42bb347 to 98580c6 (5 revisions) (flutter/flutter#174943)
2025-09-04 [email protected] [ Device Lab ] Fix wakefulness check to only match log entries with string values (flutter/flutter#174953)
2025-09-04 [email protected] Fix expanded DropdownMenu panel is shorter than text field (flutter/flutter#174443)
2025-09-04 [email protected] Add a `viewController` property to the ios/macOS `FlutterPluginRegistrar` protocol  (flutter/flutter#174168)
2025-09-03 [email protected] Roll Fuchsia Linux SDK from J3T_wZqL_57mRfWky... to izfNA3o_2zL4Cjqmy... (flutter/flutter#174908)
2025-09-03 [email protected] Wires up Android API to set section locale (flutter/flutter#173364)
2025-09-03 [email protected] Delete impeller::SPrintF. (flutter/flutter#174900)
2025-09-03 [email protected] Make sure that a DropdownMenuFormField doesn't crash in 0x0 environment (flutter/flutter#174777)
2025-09-03 [email protected] Remove unnecessary `presubmit_max_attempts` from .ci.yaml (flutter/flutter#174885)
2025-09-03 [email protected] Use local canvaskit in `dart_data_asset_test.dart` (flutter/flutter#174891)
2025-09-03 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Mark Linux web_canvaskit_tests_7_last as bringup (#174878)" (flutter/flutter#174897)
2025-09-03 [email protected] Correct intrinsics calculation for CupertinoTextField with placeholder (flutter/flutter#174889)
2025-09-03 [email protected] Considers large title height in CupertinoNavigationBar's preferred size (flutter/flutter#173722)
2025-09-03 [email protected] [A11y] Add semantics for CupertinoExpansionTile (flutter/flutter#174480)
2025-09-03 [email protected] Fix LinearProgressIndicator track painting. (flutter/flutter#173108)
2025-09-03 [email protected] update triage documentation to include team-android (flutter/flutter#174850)
2025-09-03 [email protected] Update `test_timeout_secs` to match `timeout` for `Linux web_skwasm_tests_*` and `Linux web_canvaskit_tests_*` (flutter/flutter#174881)
2025-09-03 [email protected] Roll Packages from 5d785a0 to 42bb347 (10 revisions) (flutter/flutter#174876)
2025-09-03 [email protected] Fixup formatting of gn files in the old buildroot. (flutter/flutter#174852)
2025-09-03 [email protected] Roll Dart SDK to 3.10.0-162.1.beta (flutter/flutter#174834)
2025-09-03 [email protected] Mark Linux web_canvaskit_tests_7_last as bringup (flutter/flutter#174878)
2025-09-02 [email protected] [Impeller] Fix overdraw in DrawRect geometry (flutter/flutter#174735)
2025-09-02 [email protected] Patch .clang-format files to specify C++20. (flutter/flutter#174848)
2025-09-02 [email protected] Add data assets (flutter/flutter#174685)
2025-09-02 [email protected] refactors `FlutterPlugin.kt` to use one line statement in the `into` bloc (flutter/flutter#174759)
2025-09-02 [email protected] Ensures initial semantics state is sent to engine (flutter/flutter#174845)
2025-09-02 [email protected] [Android] Break up plugin_test integration tests (flutter/flutter#174728)
2025-09-02 [email protected] Fix: Assertion failure in RawScrollbarState with dynamic controller assignment (flutter/flutter#173156)
2025-09-02 [email protected] Roll Skia from 359f3d7cc7ed to 7c2f502e3304 (1 revision) (flutter/flutter#174844)
...
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Nov 12, 2025
lucaantonelli pushed a commit to lucaantonelli/flutter that referenced this pull request Nov 21, 2025
Clang format will reject valid uses of C++ (like the spaceship operator
definition) because they are not valid C++11. This tweaks how
clang-format treats sources.

I tried to get rid of the redundant .clang-format files but they all
specify other options and don't cascade. So just let the files be and
only updated the version.
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