Add enough compiler support to compile empty functions on x64.

runtime/vm/flow_graph_builder.cc

Index: runtime/vm/flow_graph_builder.cc
diff --git a/runtime/vm/flow_graph_builder.cc b/runtime/vm/flow_graph_builder.cc
index 01ad7fde8940ebd34d7b186bd028e7dd576ed9f2..439e549214092934424717804d29cd102209774d 100644
--- a/runtime/vm/flow_graph_builder.cc
+++ b/runtime/vm/flow_graph_builder.cc
@@ -561,22 +561,32 @@ void TestGraphVisitor::VisitInstanceCallNode(InstanceCallNode* node) {
 }
 
 
-// <Expression> ::= StaticCall { function: Function
-//                               arguments: <ArgumentList> }
-StaticCallComp* EffectGraphVisitor::TranslateStaticCall(
-    const StaticCallNode& node) {
-  ArgumentListNode* arguments = node.arguments();
-  int length = arguments->length();
-  ZoneGrowableArray<Value*>* values = new ZoneGrowableArray<Value*>(length);
+void EffectGraphVisitor::TranslateArgumentList(
+    const ArgumentListNode& node, ZoneGrowableArray<Value*>* values) {
   int index = temp_index();
-  for (intptr_t i = 0; i < length; ++i) {
+  for (intptr_t i = 0; i < node.length(); ++i) {
     ValueGraphVisitor for_value(owner(), index);
-    arguments->NodeAt(i)->Visit(&for_value);
+    node.NodeAt(i)->Visit(&for_value);
     Append(for_value);
-    CHECK_ALIVE(return NULL);
-    values->Add(for_value.value());
+    CHECK_ALIVE(return);
+    Value* argument_value = for_value.value();
     index = for_value.temp_index();
+    if (argument_value->IsConstant()) {
+      AddInstruction(new BindInstr(index, argument_value));
+      argument_value = new TempValue(index++);
+    }
+    values->Add(argument_value);
   }
+}
+
+// <Expression> ::= StaticCall { function: Function
+//                               arguments: <ArgumentList> }
+StaticCallComp* EffectGraphVisitor::TranslateStaticCall(
+    const StaticCallNode& node) {
+  int length = node.arguments()->length();
+  ZoneGrowableArray<Value*>* values = new ZoneGrowableArray<Value*>(length);
+  TranslateArgumentList(*node.arguments(), values);
+  CHECK_ALIVE(return NULL);
   return new StaticCallComp(node.function(), values);
 }