X87: [stubs] Don't pass name to Load/StoreGlobalViaContext stubs.

src/x87/lithium-x87.cc

Index: src/x87/lithium-x87.cc
diff --git a/src/x87/lithium-x87.cc b/src/x87/lithium-x87.cc
index 2f5f15f2887132d12d63a30090ee82f8713c54e9..7a31cf6c62d90e095faa6d30626ceda7be12c236 100644
--- a/src/x87/lithium-x87.cc
+++ b/src/x87/lithium-x87.cc
@@ -391,8 +391,7 @@ LOperand* LPlatformChunk::GetNextSpillSlot(RegisterKind kind) {
 
 
 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());
 }
 
 
@@ -415,10 +414,8 @@ 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());
 }