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

src/arm/lithium-arm.cc

Index: src/arm/lithium-arm.cc
===================================================================
--- src/arm/lithium-arm.cc	(revision 8196)
+++ src/arm/lithium-arm.cc	(working copy)
@@ -111,13 +111,19 @@
 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);
+  for (int i = 0; i < results_.length(); i++) {
+    if (i > 0) stream->Add(" ");
+    results_[i]->PrintTo(stream);
+  }
 }