Issue 24765. Don't re-resolve already resolved variable references.

pkg/analyzer/test/generated/non_error_resolver_test.dart

Index: pkg/analyzer/test/generated/non_error_resolver_test.dart
diff --git a/pkg/analyzer/test/generated/non_error_resolver_test.dart b/pkg/analyzer/test/generated/non_error_resolver_test.dart
index 56aa853cbf64ad4112326614eb67b9385f199277..719d159d4321adac987bdab92a3e6a6d413f11e9 100644
--- a/pkg/analyzer/test/generated/non_error_resolver_test.dart
+++ b/pkg/analyzer/test/generated/non_error_resolver_test.dart
@@ -3719,6 +3719,21 @@ f(bool pb, pd) {
     verify([source]);
   }
 
+  void test_nonBoolNegationExpression_dynamic() {
+    Source source = addSource(r'''
+f1(bool dynamic) {
+  !dynamic;
+}
+f2() {
+  bool dynamic = true;
+  !dynamic;
+}
+''');
+    computeLibrarySourceErrors(source);
+    assertNoErrors(source);
+    verify([source]);
+  }
+
   void test_nonBoolOperand_and_bool() {
     Source source = addSource(r'''
 bool f(bool left, bool right) {