[stable] [dart2wasm] Remove experimental warning for `dart compile wa…

…sm` and make `dart compile --help` show the wasm subcommand

Bug: #32894
Change-Id: Ia0d57385879630c9c4c289465c797b84444c36fc
Cherry-pick: https://dart-review.googlesource.com/c/sdk/+/368307
Cherry-pick-request: #55857
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/368420
Reviewed-by: Ömer Ağacan <omersa@google.com>
Commit-Queue: Martin Kustermann <kustermann@google.com>

CHANGELOG.md

@@ -1,3 +1,9 @@
+## 3.4.2
+
+This is a patch release that:
+
+- Marks `dart compile wasm` as no longer experimental.
+
 ## 3.4.1 - 2024-05-22
 
 This is a patch release that:

pkg/dart2wasm/lib/dart2wasm.dart

@@ -123,9 +123,6 @@ WasmCompilerOptions parseArguments(List<String> arguments) {
   Never usage() {
     print("Usage: dart2wasm [<options>] <infile.dart> <outfile.wasm>");
     print("");
-    print("*NOTE*: Wasm compilation is experimental.");
-    print("The support may change, or be removed, with no advance notice.");
-    print("");
     print("Options:");
     for (String line in parser.usage.split('\n')) {
       print('\t$line');

pkg/dartdev/lib/src/commands/compile.dart

@@ -589,7 +589,7 @@ class CompileWasmCommand extends CompileSubcommandCommand {
       .toList();
 
   CompileWasmCommand({bool verbose = false})
-      : super(commandName, help, verbose, hidden: !verbose) {
+      : super(commandName, help, verbose) {
     argParser
       ..addOption(
         outputFileOption.flag,