From 90d89a0ca160ec62685c8c76c042457381335968 Mon Sep 17 00:00:00 2001
From: Jens Johansen <jensj@google.com>
Date: Tue, 9 Jun 2026 05:25:53 -0700
Subject: [PATCH] [CFE] Remove unused enableUnscheduledExperiments

Change-Id: I9d3b498ec0b4ae631cc2240dfad589166eae0c4b
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/510340
Commit-Queue: Jens Johansen <jensj@google.com>
Reviewed-by: Johnni Winther <johnniwinther@google.com>
---
 pkg/front_end/lib/src/api_prototype/compiler_options.dart | 5 -----
 pkg/front_end/lib/src/base/command_line_options.dart      | 6 ------
 pkg/front_end/lib/src/base/processed_options.dart         | 3 ---
 pkg/front_end/test/testing/folder_options.dart            | 8 --------
 pkg/front_end/test/testing/suite.dart                     | 2 --
 .../testcases/unscheduled_experiments/folder.options      | 1 -
 pkg/front_end/tool/command_line.dart                      | 5 -----
 7 files changed, 30 deletions(-)
 delete mode 100644 pkg/front_end/testcases/unscheduled_experiments/folder.options

diff --git a/pkg/front_end/lib/src/api_prototype/compiler_options.dart b/pkg/front_end/lib/src/api_prototype/compiler_options.dart
index 0040b7502bf..17341cad588 100644
--- a/pkg/front_end/lib/src/api_prototype/compiler_options.dart
+++ b/pkg/front_end/lib/src/api_prototype/compiler_options.dart
@@ -124,8 +124,6 @@ class CompilerOptions {
   Map<ExperimentalFlag, Version>? experimentEnabledVersionForTesting;
   Map<ExperimentalFlag, Version>? experimentReleasedVersionForTesting;
 
-  bool enableUnscheduledExperiments = false;
-
   /// Environment map used when evaluating `bool.fromEnvironment`,
   /// `int.fromEnvironment` and `String.fromEnvironment` during constant
   /// evaluation. If the map is `null`, all environment constants will be left
@@ -328,9 +326,6 @@ class CompilerOptions {
     if (currentSdkVersion != other.currentSdkVersion) return false;
     if (emitDeps != other.emitDeps) return false;
     if (!equalSets(invocationModes, other.invocationModes)) return false;
-    if (enableUnscheduledExperiments != other.enableUnscheduledExperiments) {
-      return false;
-    }
 
     return true;
   }
diff --git a/pkg/front_end/lib/src/base/command_line_options.dart b/pkg/front_end/lib/src/base/command_line_options.dart
index ed25e5795d8..f86d3b2959c 100644
--- a/pkg/front_end/lib/src/base/command_line_options.dart
+++ b/pkg/front_end/lib/src/base/command_line_options.dart
@@ -32,8 +32,6 @@ class Flags {
   static const String compileSdk = "--compile-sdk";
   static const String dumpIr = "--dump-ir";
   static const String enableExperiment = "--enable-experiment";
-  static const String enableUnscheduledExperiments =
-      "--enable-unscheduled-experiments";
   static const String excludeSource = "--exclude-source";
   static const String omitPlatform = "--omit-platform";
   static const String fatal = "--fatal";
@@ -75,10 +73,6 @@ class Options {
     Flags.enableExperiment,
     const StringListValue(),
   );
-  static const Option<bool> enableUnscheduledExperiments = const Option(
-    Flags.enableUnscheduledExperiments,
-    const BoolValue(false),
-  );
   static const Option<bool> excludeSource = const Option(
     Flags.excludeSource,
     const BoolValue(false),
diff --git a/pkg/front_end/lib/src/base/processed_options.dart b/pkg/front_end/lib/src/base/processed_options.dart
index 2313463d7f1..b2ddb169ca4 100644
--- a/pkg/front_end/lib/src/base/processed_options.dart
+++ b/pkg/front_end/lib/src/base/processed_options.dart
@@ -183,9 +183,6 @@ class ProcessedOptions {
   // Coverage-ignore(suite): Not run.
   bool get emitDeps => _raw.emitDeps;
 
-  // Coverage-ignore(suite): Not run.
-  bool get enableUnscheduledExperiments => _raw.enableUnscheduledExperiments;
-
   bool get hasAdditionalDillModules => _raw.additionalDillModules.isNotEmpty;
 
   /// The entry-points provided to the compiler.
diff --git a/pkg/front_end/test/testing/folder_options.dart b/pkg/front_end/test/testing/folder_options.dart
index 31f591c0ffb..9890dcd2f2f 100644
--- a/pkg/front_end/test/testing/folder_options.dart
+++ b/pkg/front_end/test/testing/folder_options.dart
@@ -29,7 +29,6 @@ const Option<bool> withOutlineOption = const Option(
 
 const List<Option> folderOptionsSpecification = [
   Options.enableExperiment,
-  Options.enableUnscheduledExperiments,
   Options.forceLateLoweringSentinel,
   overwriteCurrentSdkVersion,
   Options.forceLateLowering,
@@ -54,7 +53,6 @@ class SuiteFolderOptions {
   FolderOptions _computeFolderOptions(Directory directory) {
     FolderOptions? folderOptions = _folderOptions[directory.uri];
     if (folderOptions == null) {
-      bool? enableUnscheduledExperiments;
       int? forceLateLowering;
       bool? forceLateLoweringSentinel;
       bool? forceStaticFieldLowering;
@@ -69,7 +67,6 @@ class SuiteFolderOptions {
       if (directory.uri == baseUri) {
         folderOptions = new FolderOptions(
           {},
-          enableUnscheduledExperiments: enableUnscheduledExperiments,
           forceLateLowerings: forceLateLowering,
           forceLateLoweringSentinel: forceLateLoweringSentinel,
           forceStaticFieldLowering: forceStaticFieldLowering,
@@ -97,8 +94,6 @@ class SuiteFolderOptions {
               Options.enableExperiment.read(parsedOptions) ?? <String>[];
           String? overwriteCurrentSdkVersionArgument =
               overwriteCurrentSdkVersion.read(parsedOptions);
-          enableUnscheduledExperiments = Options.enableUnscheduledExperiments
-              .read(parsedOptions);
           forceLateLoweringSentinel = Options.forceLateLoweringSentinel.read(
             parsedOptions,
           );
@@ -132,7 +127,6 @@ class SuiteFolderOptions {
               onError: (String message) => throw new ArgumentError(message),
               onWarning: (String message) => throw new ArgumentError(message),
             ),
-            enableUnscheduledExperiments: enableUnscheduledExperiments,
             forceLateLowerings: forceLateLowering,
             forceLateLoweringSentinel: forceLateLoweringSentinel,
             forceStaticFieldLowering: forceStaticFieldLowering,
@@ -189,7 +183,6 @@ class SuiteFolderOptions {
 /// test folders.
 class FolderOptions {
   final Map<ExperimentalFlag, bool> _explicitExperimentalFlags;
-  final bool? enableUnscheduledExperiments;
   final int? forceLateLowerings;
   final bool? forceLateLoweringSentinel;
   final bool? forceStaticFieldLowering;
@@ -205,7 +198,6 @@ class FolderOptions {
 
   new(
     this._explicitExperimentalFlags, {
-    this.enableUnscheduledExperiments,
     this.forceLateLowerings,
     this.forceLateLoweringSentinel,
     this.forceStaticFieldLowering,
diff --git a/pkg/front_end/test/testing/suite.dart b/pkg/front_end/test/testing/suite.dart
index fe8dc49bd6b..54d5ad4350b 100644
--- a/pkg/front_end/test/testing/suite.dart
+++ b/pkg/front_end/test/testing/suite.dart
@@ -835,8 +835,6 @@ CompilationSetup createCompilationSetup(
       ..onDiagnostic = (CfeDiagnosticMessage message) {
         errors.add(message.plainTextFormatted);
       }
-      ..enableUnscheduledExperiments =
-          folderOptions.enableUnscheduledExperiments ?? false
       ..environmentDefines = folderOptions.defines
       ..explicitExperimentalFlags = experimentalFlags
       ..librariesSpecificationUri = librariesSpecificationUri
diff --git a/pkg/front_end/testcases/unscheduled_experiments/folder.options b/pkg/front_end/testcases/unscheduled_experiments/folder.options
deleted file mode 100644
index b931072359f..00000000000
--- a/pkg/front_end/testcases/unscheduled_experiments/folder.options
+++ /dev/null
@@ -1 +0,0 @@
---enable-unscheduled-experiments
\ No newline at end of file
diff --git a/pkg/front_end/tool/command_line.dart b/pkg/front_end/tool/command_line.dart
index 60a2605924b..c3ed3a21f4d 100644
--- a/pkg/front_end/tool/command_line.dart
+++ b/pkg/front_end/tool/command_line.dart
@@ -42,7 +42,6 @@ const List<Option> optionSpecification = [
   Options.dumpIr,
   Options.showOffsets,
   Options.enableExperiment,
-  Options.enableUnscheduledExperiments,
   Options.excludeSource,
   Options.omitPlatform,
   Options.fatal,
@@ -176,9 +175,6 @@ ProcessedOptions analyzeCommandLine(
   final String? singleRootScheme = Options.singleRootScheme.read(parsedOptions);
   final Uri? singleRootBase = Options.singleRootBase.read(parsedOptions);
 
-  final bool enableUnscheduledExperiments = Options.enableUnscheduledExperiments
-      .read(parsedOptions);
-
   final List<Uri> linkDependencies =
       Options.linkDependencies.read(parsedOptions) ?? [];
 
@@ -237,7 +233,6 @@ ProcessedOptions analyzeCommandLine(
     ..skipPlatformVerification = skipPlatformVerification
     ..explicitExperimentalFlags = explicitExperimentalFlags
     ..environmentDefines = environmentDefines
-    ..enableUnscheduledExperiments = enableUnscheduledExperiments
     ..additionalDillModules = linkDependencies
     ..emitDeps = !noDeps
     ..invocationModes = InvocationMode.parseArguments(invocationModes)