--- a/hotspot/src/share/vm/code/nmethod.cpp	Tue Dec 28 09:54:09 2010 -0500
+++ b/hotspot/src/share/vm/code/nmethod.cpp	Fri Jan 07 03:41:07 2011 -0800
@@ -811,9 +811,11 @@
     _stub_offset             = content_offset()      + code_buffer->total_offset_of(code_buffer->stubs());
 
     // Exception handler and deopt handler are in the stub section
+    assert(offsets->value(CodeOffsets::Exceptions) != -1, "must be set");
+    assert(offsets->value(CodeOffsets::Deopt     ) != -1, "must be set");
     _exception_offset        = _stub_offset          + offsets->value(CodeOffsets::Exceptions);
     _deoptimize_offset       = _stub_offset          + offsets->value(CodeOffsets::Deopt);
-    if (has_method_handle_invokes()) {
+    if (offsets->value(CodeOffsets::DeoptMH) != -1) {
       _deoptimize_mh_offset  = _stub_offset          + offsets->value(CodeOffsets::DeoptMH);
     } else {
       _deoptimize_mh_offset  = -1;
@@ -1909,6 +1911,7 @@
       break;
     }
   }
+  assert(has_method_handle_invokes() == (_deoptimize_mh_offset != -1), "must have deopt mh handler");
 
   int size = count * sizeof(PcDesc);
   assert(scopes_pcs_size() >= size, "oob");