IDEA-63335 complete current statement error when statement spans on 2 lines

java/java-tests/testData/codeInsight/completeStatement/MultilineReturn.java

@@ -0,0 +1,6 @@
+class Test {
+  Object method() {
+    return
+      null<caret>
+  }
+}

java/java-tests/testData/codeInsight/completeStatement/MultilineReturn_after.java

@@ -0,0 +1,6 @@
+class Test {
+  Object method() {
+      return
+              null;<caret>
+  }
+}