Remove the HValueOf instruction.

src/ia32/lithium-ia32.cc

Index: src/ia32/lithium-ia32.cc
diff --git a/src/ia32/lithium-ia32.cc b/src/ia32/lithium-ia32.cc
index d50313f88f3137ab5a40157a5f72b2542d1db551..4f5c69f75f8933a13c74c4120ea065c13ab2b8d0 100644
--- a/src/ia32/lithium-ia32.cc
+++ b/src/ia32/lithium-ia32.cc
@@ -1703,13 +1703,6 @@ LInstruction* LChunkBuilder::DoElementsKind(HElementsKind* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoValueOf(HValueOf* instr) {
-  LOperand* object = UseRegister(instr->value());
-  LValueOf* result = new(zone()) LValueOf(object, TempRegister());
-  return DefineSameAsFirst(result);
-}
-
-
 LInstruction* LChunkBuilder::DoDateField(HDateField* instr) {
   LOperand* date = UseFixed(instr->value(), eax);
   LDateField* result =