IDEA-190558 Join lines: smart concatenation of assignment and the subsequent reassignment with the method call

java/java-tests/testData/codeInsight/joinLines/AssignmentAndReassignmentWithCall.java

@@ -0,0 +1,10 @@
+class Foo {
+    interface X {
+        X getParent();
+    }
+
+    void test(X x) {
+        <caret>x = x.getParent();
+        x = x.getParent();
+    }
+}