--- a/graal/GraalCompiler/src/com/sun/c1x/gen/LIRGenerator.java	Wed Apr 27 21:29:17 2011 +0200
+++ b/graal/GraalCompiler/src/com/sun/c1x/gen/LIRGenerator.java	Wed Apr 27 21:38:22 2011 +0200
@@ -1597,7 +1597,7 @@
         }
 
         public boolean requiresNullCheck() {
-            return current == null || current instanceof InstanceOf || current instanceof CheckCast;//current.canTrap();
+            return current == null || current.canTrap();
         }
 
         public boolean requiresBoundsCheck() {
@@ -1605,11 +1605,11 @@
         }
 
         public boolean requiresReadBarrier() {
-            return current == null || current.kind == CiKind.Object;
+            return current == null || true;
         }
 
         public boolean requiresWriteBarrier() {
-            return current == null || current.kind == CiKind.Object;
+            return current == null || true;
         }
 
         public boolean requiresArrayStoreCheck() {