[Truffle] Fixed an NPE when a SharedMethodInfo has a null argumentsDe…

…scriptors.
jruby · Nov 23, 2015 · 5446cc2 · 5446cc2 · nirvdrum · Nov 23, 2015
1 parent 1a6741e
commit 5446cc2
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/truffle/src/main/java/org/jruby/truffle/runtime/methods/SharedMethodInfo.java b/truffle/src/main/java/org/jruby/truffle/runtime/methods/SharedMethodInfo.java
@@ -68,6 +68,10 @@ public boolean isBlock() {
     }
 
     public ArgumentDescriptor[] getArgumentDescriptors() {
+        if (argumentDescriptors == null) {
+            return new ArgumentDescriptor[] {};
+        }
+
         return Arrays.copyOf(argumentDescriptors, argumentDescriptors.length);
     }