PPC: [stubs] Don't pass name to Load/StoreGlobalViaContext stubs.

src/ppc/lithium-ppc.cc

Index: src/ppc/lithium-ppc.cc
diff --git a/src/ppc/lithium-ppc.cc b/src/ppc/lithium-ppc.cc
index 19ea818a35d0985425920c4c12d01a042ee3fd3a..d95a3e813a7c0e96b1dad91caba9a8d21e62b183 100644
--- a/src/ppc/lithium-ppc.cc
+++ b/src/ppc/lithium-ppc.cc
@@ -344,8 +344,7 @@ void LAccessArgumentsAt::PrintDataTo(StringStream* stream) {
 
 
 void LLoadGlobalViaContext::PrintDataTo(StringStream* stream) {
-  stream->Add(String::cast(*name())->ToCString().get());
-  stream->Add(" depth:%d slot:%d", depth(), slot_index());
+  stream->Add("depth:%d slot:%d", depth(), slot_index());
 }
 
 
@@ -368,10 +367,8 @@ void LStoreNamedGeneric::PrintDataTo(StringStream* stream) {
 
 
 void LStoreGlobalViaContext::PrintDataTo(StringStream* stream) {
-  stream->Add(String::cast(*name())->ToCString().get());
-  stream->Add(" <- ");
+  stream->Add("depth:%d slot:%d <- ", depth(), slot_index());
   value()->PrintTo(stream);
-  stream->Add(" depth:%d slot:%d", depth(), slot_index());
 }