Issue 23332. Don't compute overrides for static members.

pkg/analysis_server/lib/src/computer/computer_overrides.dart

Index: pkg/analysis_server/lib/src/computer/computer_overrides.dart
diff --git a/pkg/analysis_server/lib/src/computer/computer_overrides.dart b/pkg/analysis_server/lib/src/computer/computer_overrides.dart
index ba7cb7620e0ac64932010b11f213a979e331aeb9..4c8cc8f1afe3498cf8f85c37d26e851c2e59765c 100644
--- a/pkg/analysis_server/lib/src/computer/computer_overrides.dart
+++ b/pkg/analysis_server/lib/src/computer/computer_overrides.dart
@@ -29,10 +29,16 @@ class DartUnitOverridesComputer {
         _currentClass = unitMember.element;
         for (ClassMember classMember in unitMember.members) {
           if (classMember is MethodDeclaration) {
+            if (classMember.isStatic) {
+              continue;
+            }
             SimpleIdentifier nameNode = classMember.name;
             _addOverride(nameNode.offset, nameNode.length, nameNode.name);
           }
           if (classMember is FieldDeclaration) {
+            if (classMember.isStatic) {
+              continue;
+            }
             List<VariableDeclaration> fields = classMember.fields.variables;
             for (VariableDeclaration field in fields) {
               SimpleIdentifier nameNode = field.name;