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diff graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java @ 11682:976ebd1973d1

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The runtime might not always be able to report an array length
author Christian Wimmer <christian.wimmer@oracle.com>
date Tue, 17 Sep 2013 10:31:22 -0700
parents f091e0d6f4f3
children 226ef8ab5bc0
line wrap: on
line diff
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java	Tue Sep 17 17:09:43 2013 +0200
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java	Tue Sep 17 10:31:22 2013 -0700
@@ -476,9 +476,9 @@
     }
 
     @Override
-    public int lookupArrayLength(Constant array) {
+    public Integer lookupArrayLength(Constant array) {
         if (array.getKind() != Kind.Object || array.isNull() || !array.asObject().getClass().isArray()) {
-            throw new IllegalArgumentException(array + " is not an array");
+            return null;
         }
         return Array.getLength(array.asObject());
     }