# HG changeset patch
# User Christian Wimmer <christian.wimmer@oracle.com>
# Date 1354646781 28800
# Node ID b16fdf354ba5d08079e816ad8e7944675ab79b1f
# Parent  4632b14e56dd3e386b4f168479cc7288bd8cd1ac
Assertion in Java code to prevent crash in native code

diff -r 4632b14e56dd -r b16fdf354ba5 graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotResolvedObjectType.java
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotResolvedObjectType.java	Tue Dec 04 10:44:41 2012 -0800
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotResolvedObjectType.java	Tue Dec 04 10:46:21 2012 -0800
@@ -106,6 +106,7 @@
      * @return the {@link HotSpotResolvedObjectType} corresponding to {@code javaClass}
      */
     public static ResolvedJavaType fromClass(Class javaClass) {
+        assert javaClass != null;
         ResolvedJavaType type = (ResolvedJavaType) unsafe.getObject(javaClass, (long) HotSpotGraalRuntime.getInstance().getConfig().graalMirrorInClassOffset);
         if (type == null) {
             type = HotSpotGraalRuntime.getInstance().getCompilerToVM().getResolvedType(javaClass);