register make class static for illegal enclosing usage error (IDEA-155700)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/makeInnerStatic/afterInnerClass.java

@@ -0,0 +1,18 @@
+// "Make 'C2' static" "true"
+class C {
+  public abstract static class C2 {
+    abstract void m();
+  }
+}
+
+class Test {
+
+  public static void main(String[] args) {
+    new C.C2() {
+      @Override
+      void m() {
+
+      }
+    };
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/makeInnerStatic/beforeInnerClass.java

@@ -0,0 +1,18 @@
+// "Make 'C2' static" "true"
+class C {
+  public abstract class C2 {
+    abstract void m();
+  }
+}
+
+class Test {
+
+  public static void main(String[] args) {
+    new C.<caret>C2() {
+      @Override
+      void m() {
+
+      }
+    };
+  }
+}