Adding Native Call node : a native function consists of that node, it does call into C runtime. In …

runtime/vm/flow_graph_compiler_x64.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/flow_graph_compiler.h"
 
 #include "vm/ast_printer.h"
@@ skipping 81 matching lines @@
 
 void FlowGraphCompiler::VisitStoreLocal(StoreLocalComp* comp) {
   if (comp->local().is_captured()) {
     Bailout("store to context variable");
   }
   LoadValue(comp->value());
   __ movq(Address(RBP, comp->local().index() * kWordSize), RAX);
 }
 
 
+void FlowGraphCompiler::VisitNativeCall(NativeCallComp* comp) {
+  Bailout("NativeCallComp");
+}
+
+
 void FlowGraphCompiler::VisitJoinEntry(JoinEntryInstr* instr) {
   Bailout("JoinEntryInstr");
 }
 
 
 void FlowGraphCompiler::VisitTargetEntry(TargetEntryInstr* instr) {
   // Since we don't handle branching control flow yet, there is nothing to do.
 }
 
 
@@ skipping 185 matching lines @@
 void FlowGraphCompiler::FinalizeExceptionHandlers(const Code& code) {
   // We don't compile exception handlers yet.
   code.set_exception_handlers(
       ExceptionHandlers::Handle(ExceptionHandlers::New(0)));
 }
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64