Add support for hydrogen control instructions with >2 successor blocks.

src/x64/lithium-x64.cc

Index: src/x64/lithium-x64.cc
===================================================================
--- src/x64/lithium-x64.cc	(revision 8261)
+++ src/x64/lithium-x64.cc	(working copy)
@@ -113,21 +113,18 @@
 template<int R, int I, int T>
 void LTemplateInstruction<R, I, T>::PrintDataTo(StringStream* stream) {
   stream->Add("= ");
-  inputs_.PrintOperandsTo(stream);
+  for (int i = 0; i < inputs_.length(); i++) {
+    if (i > 0) stream->Add(" ");
+    inputs_[i]->PrintTo(stream);
+  }
 }
 
 
 template<int R, int I, int T>
 void LTemplateInstruction<R, I, T>::PrintOutputOperandTo(StringStream* stream) {
-  results_.PrintOperandsTo(stream);
-}
-
-
-template<typename T, int N>
-void OperandContainer<T, N>::PrintOperandsTo(StringStream* stream) {
-  for (int i = 0; i < N; i++) {
+  for (int i = 0; i < results_.length(); i++) {
     if (i > 0) stream->Add(" ");
-    elems_[i]->PrintTo(stream);
+    results_[i]->PrintTo(stream);
   }
 }