[intrinsic] Drop the %_ValueOf intrinsic.

src/full-codegen/ppc/full-codegen-ppc.cc

Index: src/full-codegen/ppc/full-codegen-ppc.cc
diff --git a/src/full-codegen/ppc/full-codegen-ppc.cc b/src/full-codegen/ppc/full-codegen-ppc.cc
index f6a7197dc8806b2ddd565751ef9ea03aec057a9e..40f387484d59f1fa888eafc9ce031a9187a699e6 100644
--- a/src/full-codegen/ppc/full-codegen-ppc.cc
+++ b/src/full-codegen/ppc/full-codegen-ppc.cc
@@ -2853,24 +2853,6 @@ void FullCodeGenerator::EmitClassOf(CallRuntime* expr) {
 }
 
 
-void FullCodeGenerator::EmitValueOf(CallRuntime* expr) {
-  ZoneList<Expression*>* args = expr->arguments();
-  DCHECK(args->length() == 1);
-  VisitForAccumulatorValue(args->at(0));  // Load the object.
-
-  Label done;
-  // If the object is a smi return the object.
-  __ JumpIfSmi(r3, &done);
-  // If the object is not a value type, return the object.
-  __ CompareObjectType(r3, r4, r4, JS_VALUE_TYPE);
-  __ bne(&done);
-  __ LoadP(r3, FieldMemOperand(r3, JSValue::kValueOffset));
-
-  __ bind(&done);
-  context()->Plug(r3);
-}
-
-
 void FullCodeGenerator::EmitStringCharFromCode(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK(args->length() == 1);