commit 8ddfcbd396f19aaf7ecafb9409f10d443af412e7
author Martin Kustermann <kustermann@google.com> Mon May 26 12:16:21 2025 -0700
committer Commit Queue <dart-scoped@luci-project-accounts.iam.gserviceaccount.com> Mon May 26 12:16:21 2025 -0700
tree 09a4828264a70e3c9f602393ee309d2d9c5da00a
parent fe46d2089f05536666bd96de955af798b09a6165

[dart2wasm] Use `String` as return type of `Record_<X>.toString()`

This will ensure selector computation for `toString()` selector will
use more precise type.

Change-Id: I668197e58d25ac225fd8428dfaa5093e9090de2e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/431041
Reviewed-by: Slava Egorov <vegorov@google.com>
Commit-Queue: Martin Kustermann <kustermann@google.com>

pkg/dart2wasm/lib/record_class_generator.dart

diff --git a/pkg/dart2wasm/lib/record_class_generator.dart b/pkg/dart2wasm/lib/record_class_generator.dart
index e5f6c4a..4c9ada3 100644
--- a/pkg/dart2wasm/lib/record_class_generator.dart
+++ b/pkg/dart2wasm/lib/record_class_generator.dart
@@ -395,7 +395,8 @@
         Procedure(
           Name('toString', library),
           ProcedureKind.Method,
-          FunctionNode(ReturnStatement(stringExpression)),
+          FunctionNode(ReturnStatement(stringExpression),
+              returnType: coreTypes.stringNonNullableRawType),
           fileUri: library.fileUri,
         ),
         coreTypes);