File openjdk-6-src-b17-unused-variable.patch of Package java-1_6_0-openjdk

Index: icedtea6-1.7/openjdk/hotspot/src/share/vm/oops/cpCacheOop.hpp
===================================================================
--- icedtea6-1.7.orig/openjdk/hotspot/src/share/vm/oops/cpCacheOop.hpp
+++ icedtea6-1.7/openjdk/hotspot/src/share/vm/oops/cpCacheOop.hpp
@@ -123,6 +123,7 @@ class ConstantPoolCacheEntry VALUE_OBJ_C
   void set_bytecode_2(Bytecodes::Code code);
   void set_f1(oop f1)                            {
     oop existing_f1 = _f1; // read once
+    existing_f1 = existing_f1; // suppress compiler warning
     assert(existing_f1 == NULL || existing_f1 == f1, "illegal field change");
     oop_store(&_f1, f1);
   }
Index: icedtea6-1.7/openjdk/hotspot/src/share/vm/gc_implementation/shared/allocationStats.hpp
===================================================================
--- icedtea6-1.7.orig/openjdk/hotspot/src/share/vm/gc_implementation/shared/allocationStats.hpp
+++ icedtea6-1.7/openjdk/hotspot/src/share/vm/gc_implementation/shared/allocationStats.hpp
@@ -70,6 +70,7 @@ class AllocationStats VALUE_OBJ_CLASS_SP
     _splitBirths = 0;
     _splitDeaths = 0;
     _returnedBytes = 0;
+    dummy = dummy; //suppress compiler warning
   }
 
   AllocationStats() {
Index: icedtea6-1.7/openjdk/hotspot/src/share/vm/interpreter/bytecode.hpp
===================================================================
--- icedtea6-1.7.orig/openjdk/hotspot/src/share/vm/interpreter/bytecode.hpp
+++ icedtea6-1.7/openjdk/hotspot/src/share/vm/interpreter/bytecode.hpp
@@ -362,6 +362,7 @@ class Bytecode_loadconstant: public Byte
     assert(stdc == Bytecodes::_ldc ||
            stdc == Bytecodes::_ldc_w ||
            stdc == Bytecodes::_ldc2_w, "load constant");
+    stdc = stdc; //suppress compiler warning
   }
 
   int index() const;
Index: icedtea6-1.7/openjdk/hotspot/src/share/vm/opto/regalloc.hpp
===================================================================
--- icedtea6-1.7.orig/openjdk/hotspot/src/share/vm/opto/regalloc.hpp
+++ icedtea6-1.7/openjdk/hotspot/src/share/vm/opto/regalloc.hpp
@@ -108,6 +108,7 @@ public:
     assert( n->_idx < _node_regs_max_index, "Exceeded _node_regs array");
     OptoReg::Name first = _node_regs[n->_idx].first();
     OptoReg::Name second = _node_regs[n->_idx].second();
+    second = second; //suppress compiler warning
     assert( !OptoReg::is_valid(second) || second == first+1, "" );
     assert(OptoReg::is_reg(first), "out of range");
     return Matcher::_regEncode[first];