Reorder switch clauses using newly-introduced execution counters in

src/x64/lithium-x64.cc

Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index fe23709a8d8aa9e456acf63904731855fa23876b..de016f27b87ea79173a393d1ab8b3b03b1ac2d1c 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -711,6 +711,23 @@ LInstruction* LChunkBuilder::DoSoftDeoptimize(HSoftDeoptimize* instr) {
 }
 
 
+LInstruction* LChunkBuilder::DoDeoptCounter(HDeoptCounter* instr) {
+  return AssignEnvironment(new(zone()) LDeoptCounter(instr->id(),
+                                                     instr->initial_value(),
+                                                     instr->max_value()));
+}
+
+
+LInstruction* LChunkBuilder::DoDeoptCounterAdd(HDeoptCounterAdd* instr) {
+  LOperand* temp = TempRegister();
+  LOperand* temp2 = TempRegister();
+  return AssignEnvironment(new(zone()) LDeoptCounterAdd(instr->counter()->id(),
+                                                        instr->delta(),
+                                                        temp,
+                                                        temp2));
+}
+
+
 LInstruction* LChunkBuilder::DoDeoptimize(HDeoptimize* instr) {
   return AssignEnvironment(new(zone()) LDeoptimize);
 }