Description: at least in 7b143, building without the precompiled headers doesn't work.
 patch attached.
Forwarded: http://mail.openjdk.java.net/pipermail/zero-dev/2011-July/000385.html

--- openjdk/hotspot/src/cpu/zero/vm/entry_zero.hpp.orig
+++ openjdk/hotspot/src/cpu/zero/vm/entry_zero.hpp
@@ -26,6 +26,8 @@
 #ifndef CPU_ZERO_VM_ENTRY_ZERO_HPP
 #define CPU_ZERO_VM_ENTRY_ZERO_HPP
 
+#include "interpreter/cppInterpreter.hpp"
+
 class ZeroEntry {
  public:
   ZeroEntry() {
--- openjdk/hotspot/src/cpu/zero/vm/nativeInst_zero.cpp.orig
+++ openjdk/hotspot/src/cpu/zero/vm/nativeInst_zero.cpp
@@ -25,6 +25,7 @@

 #include "precompiled.hpp"
 #include "assembler_zero.inline.hpp"
+#include "entry_zero.hpp"
 #include "memory/resourceArea.hpp"
 #include "nativeInst_zero.hpp"
 #include "oops/oop.inline.hpp"