[Truffle] Avoid an NPE when fetching the source section from a child …

…of an optimized LoopNode.
jruby · Nov 1, 2016 · e1a2252 · e1a2252
1 parent e93d9c7
commit e1a2252
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/truffle/src/main/java/org/jruby/truffle/language/RubyBaseNode.java b/truffle/src/main/java/org/jruby/truffle/language/RubyBaseNode.java
@@ -242,7 +242,13 @@ public SourceSection getSourceSection() {
         if (sourceStartLine == 0) {
             return null;
         } else {
-            return getRubySourceSection().toSourceSection(getRootNode().getSourceSection().getSource());
+            final RootNode rootNode = getRootNode();
+
+            if (rootNode == null) {
+                return null;
+            }
+
+            return getRubySourceSection().toSourceSection(rootNode.getSourceSection().getSource());
         }
     }