Cleanup a comment and the code related to it that was very confusing to read.

Author: plummercj

src/jdk.jdwp.agent/share/native/libjdwp/stepControl.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2022, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -463,9 +463,15 @@ handleMethodEnterEvent(JNIEnv *env, EventInfo *evinfo,
          */
         JDI_ASSERT(step->depth == JDWP_STEP_DEPTH(INTO));
 
-        if (    (!eventFilter_predictFiltering(step->stepHandlerNode, clazz, classname))
-             && (   step->granularity != JDWP_STEP_SIZE(LINE)
-                 || hasLineNumbers(method) ) ) {
+        /*
+         * We need to figure out if we are entering a method that we want to resume
+         * single stepping in. If the class of this method is being filtered out, then
+         * we don't resume. Otherwise, if we are not line stepping then we resume, and
+         * if we are line stepping we don't resume unless the method has LineNumbers.
+         */
+        jboolean filteredOut = eventFilter_predictFiltering(step->stepHandlerNode, clazz, classname);
+        jboolean isStepLine = step->granularity == JDWP_STEP_SIZE(LINE);
+        if (!filteredOut && (!isStepLine || hasLineNumbers(method))) {
             /*
              * We've found a suitable method in which to resume stepping.
              * We can also get rid of the method entry handler now.