Shark tweak

[Gary Benson]

Hi all,

This small tweak allows Shark to handle cases where HotSpot's
typeflow pass detects an object reference that is always NULL.

Cheers,
Gary

-- 
http://gbenson.net/
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diff -r c2ab93e26ed7 -r ba0c7c6c4896 ChangeLog
--- a/ChangeLog	Thu Aug 27 13:16:24 2009 -0400
+++ b/ChangeLog	Fri Aug 28 11:01:49 2009 +0100
@@ -1,3 +1,8 @@
+2009-08-28  Gary Benson  <gbenson at redhat.com>
+
+	* ports/hotspot/src/share/vm/shark/sharkState.cpp
+	(SharkEntryState::SharkEntryState): Handle T_NULL.
+
 2009-08-27  Deepak Bhole <dbhole at redhat.com>
 
 	* plugin/icedteanp/IcedTeaNPPlugin.cc
diff -r c2ab93e26ed7 -r ba0c7c6c4896 ports/hotspot/src/share/vm/shark/sharkState.cpp
--- a/ports/hotspot/src/share/vm/shark/sharkState.cpp	Thu Aug 27 13:16:24 2009 -0400
+++ b/ports/hotspot/src/share/vm/shark/sharkState.cpp	Fri Aug 28 11:01:49 2009 +0100
@@ -216,6 +216,10 @@
       value = SharkValue::create_generic(type, NULL, i == 0 && !is_static());
       break;
     
+    case ciTypeFlow::StateVector::T_NULL:
+      value = SharkValue::null();
+      break;
+      
     case ciTypeFlow::StateVector::T_BOTTOM:
       break;