field can be final: skip uninitialized fields used in class initializers (IDEA-156452)

java/java-tests/testData/inspection/fieldCanBeLocal/fieldNonInitializedUsedInClassInitializer/expected.xml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<problems/>

java/java-tests/testData/inspection/fieldCanBeLocal/fieldNonInitializedUsedInClassInitializer/src/Test.java

@@ -0,0 +1,6 @@
+class G {
+    private Object foo;
+    {
+        System.out.println(foo);
+    }
+}

java/java-tests/testSrc/com/intellij/codeInspection/FieldCanBeLocalTest.java

@@ -41,6 +41,7 @@ public class FieldCanBeLocalTest extends InspectionTestCase {
   public void testFieldUsedForWritingInLambda() throws Exception {doTest();}
   public void testStaticQualifiedFieldAccessForWriting() throws Exception {doTest();}
   public void testFieldReferencedFromAnotherObject() throws Exception {doTest();}
+  public void testFieldNonInitializedUsedInClassInitializer() throws Exception {doTest();}
   public void testIgnoreAnnotated() throws Exception {
     final FieldCanBeLocalInspection inspection = new FieldCanBeLocalInspection();
     doTestConfigured(inspection);