[dart2wasm] Fix sync* iterable element types

Fixes tests: - co19/Language/Functions/element_type_A01_t03 - co19/Language/Functions/element_type_A01_t04 - co19/Language/Functions/element_type_A01_t06 Fixes #54413. Same change for `async*` functions was made in https://dart-review.googlesource.com/c/sdk/+/342561. Change-Id: Ib9e23b3fff9e2f1b952b5ba114ec70d5a8aea372 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/343141 Reviewed-by: Martin Kustermann <[email protected]> Commit-Queue: Ömer Ağacan <[email protected]>
dart-lang · Dec 22, 2023 · 4d3895a · 4d3895a
1 parent 64584c1
commit 4d3895a
Showing 1 changed file with 1 addition and 5 deletions.
diff --git a/pkg/dart2wasm/lib/sync_star.dart b/pkg/dart2wasm/lib/sync_star.dart
@@ -264,11 +264,7 @@ class SyncStarCodeGenerator extends CodeGenerator {
       FunctionNode functionNode, Context? context, w.BaseFunction resumeFun) {
     // Instantiate a [_SyncStarIterable] containing the context and resume
     // function for this `sync*` function.
-    DartType returnType = functionNode.returnType;
-    DartType elementType = returnType is InterfaceType &&
-            returnType.classNode == translator.coreTypes.iterableClass
-        ? returnType.typeArguments.single
-        : DynamicType();
+    DartType elementType = functionNode.emittedValueType!;
     translator.functions.allocateClass(syncStarIterableInfo.classId);
     b.i32_const(syncStarIterableInfo.classId);
     b.i32_const(initialIdentityHash);