[kernel] Debugging of switch statement

pkg/kernel/lib/ast.dart

Index: pkg/kernel/lib/ast.dart
diff --git a/pkg/kernel/lib/ast.dart b/pkg/kernel/lib/ast.dart
index 220878e634f487b430237ee6203ddd5013345595..9d6d5cdd073424bf9d2999e6e6673af3d96dd8bc 100644
--- a/pkg/kernel/lib/ast.dart
+++ b/pkg/kernel/lib/ast.dart
@@ -3080,22 +3080,26 @@ class SwitchStatement extends Statement {
 /// This is a potential target of [ContinueSwitchStatement].
 class SwitchCase extends TreeNode {
   final List<Expression> expressions;
+  final List<int> expressionOffsets;
   Statement body;
   bool isDefault;
 
-  SwitchCase(this.expressions, this.body, {this.isDefault: false}) {
+  SwitchCase(this.expressions, this.expressionOffsets, this.body,
+      {this.isDefault: false}) {
     setParents(expressions, this);
     body?.parent = this;
   }
 
   SwitchCase.defaultCase(this.body)
       : isDefault = true,
-        expressions = <Expression>[] {
+        expressions = <Expression>[],
+        expressionOffsets = <int>[] {
     body?.parent = this;
   }
 
   SwitchCase.empty()
       : expressions = <Expression>[],
+        expressionOffsets = <int>[],
         body = null,
         isDefault = false;