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diff src/share/vm/compiler/oopMap.hpp @ 858:5314d85ffd54

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6826736: CMS: core dump with -XX:+UseCompressedOops Summary: Fix deoptimization code and OopMapSet::all_do() to check for oop = narrow_oop_base. Reviewed-by: jcoomes, phh, ysr, never
author kvn
date Wed, 22 Jul 2009 15:48:51 -0700
parents 4a4c365f777d
children 89e0543e1737
line wrap: on
line diff
--- a/src/share/vm/compiler/oopMap.hpp	Tue Jul 21 21:33:44 2009 -0700
+++ b/src/share/vm/compiler/oopMap.hpp	Wed Jul 22 15:48:51 2009 -0700
@@ -233,6 +233,10 @@
   int heap_size() const;
   void copy_to(address addr);
 
+  // Methods oops_do() and all_do() filter out NULL oops and
+  // oop == Universe::narrow_oop_base() before passing oops
+  // to closures.
+
   // Iterates through frame for a compiled method
   static void oops_do            (const frame* fr,
                                   const RegisterMap* reg_map, OopClosure* f);