Remove HCallGlobal and merge uses with HCallNamed.

src/hydrogen-instructions.cc

Index: src/hydrogen-instructions.cc
diff --git a/src/hydrogen-instructions.cc b/src/hydrogen-instructions.cc
index 5256169ebd425dcd8a90136ded5f7b89b95552bd..f9e09c0c7aa146dbc1aa64e605c5220b0169f598 100644
--- a/src/hydrogen-instructions.cc
+++ b/src/hydrogen-instructions.cc
@@ -982,12 +982,6 @@ void HCallNamed::PrintDataTo(StringStream* stream) {
 }
 
 
-void HCallGlobal::PrintDataTo(StringStream* stream) {
-  stream->Add("%o ", *name());
-  HUnaryCall::PrintDataTo(stream);
-}
-
-
 void HCallKnownGlobal::PrintDataTo(StringStream* stream) {
   stream->Add("%o ", target()->shared()->DebugName());
   stream->Add("#%d", argument_count());