fix ResolutionCopier.visitAdjacentStrings

pkg/analyzer/lib/src/generated/parser.dart

Index: pkg/analyzer/lib/src/generated/parser.dart
diff --git a/pkg/analyzer/lib/src/generated/parser.dart b/pkg/analyzer/lib/src/generated/parser.dart
index 8ec719a7de2a7dba50572859c073aef72a8ca412..debbd5edadd5db57cd08cb0bd0dbedf9e1ad3d25 100644
--- a/pkg/analyzer/lib/src/generated/parser.dart
+++ b/pkg/analyzer/lib/src/generated/parser.dart
@@ -9973,7 +9973,12 @@ class ResolutionCopier implements AstVisitor<bool> {
   @override
   bool visitAdjacentStrings(AdjacentStrings node) {
     AdjacentStrings toNode = this._toNode as AdjacentStrings;
-    return _isEqualNodeLists(node.strings, toNode.strings);
+    if (_isEqualNodeLists(node.strings, toNode.strings)) {
+      toNode.staticType = node.staticType;
+      toNode.propagatedType = node.propagatedType;
+      return true;
+    }
+    return false;
   }
 
   @override