ensure correct expression is checked during read before write variable check (IDEA-135937)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/highlighting/FieldInitializedUsedInLambda.java

@@ -0,0 +1,17 @@
+
+import java.util.Comparator;
+
+class Test {
+  private final int x;
+
+  public Test(int x) {
+    this.x = x;
+  }
+
+  public static final Comparator<Test> comparator = (o1, o2) -> {
+    if (o1.x == o2.x) {
+    }
+    <error descr="'Test.this' cannot be referenced from a static context">this</error>.x != o2.x;
+    return 0;
+  };
+}