qualify field access in initializer when shadowed by new declaration (IDEA-173780)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/createLocalVarFromInstanceof/afterShadowField.java

@@ -0,0 +1,12 @@
+// "Insert '(String)x' declaration" "true"
+
+class C {
+  Object x = new Object();
+
+  void x() {
+    if (x instanceof String) {
+        String x = (String) this.x;
+        <caret>
+    }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/createLocalVarFromInstanceof/beforeShadowField.java

@@ -0,0 +1,11 @@
+// "Insert '(String)x' declaration" "true"
+
+class C {
+  Object x = new Object();
+
+  void x() {
+    if (x insta<caret>nceof String) {
+
+    }
+  }
+}