Support instance getters and setters, indexed loads and stores.

runtime/vm/flow_graph_compiler_x64.h

Index: runtime/vm/flow_graph_compiler_x64.h
diff --git a/runtime/vm/flow_graph_compiler_x64.h b/runtime/vm/flow_graph_compiler_x64.h
index c62ff3c84f9659c31aae8c95ed242084a98f5524..3c9d23ce17b78e5bab7306e00bd8b2fad2a7b469 100644
--- a/runtime/vm/flow_graph_compiler_x64.h
+++ b/runtime/vm/flow_graph_compiler_x64.h
@@ -63,7 +63,18 @@ class FlowGraphCompiler : public FlowGraphVisitor {
   // Emit code to load a Value into register RAX.
   void LoadValue(Value* value);
 
+  // Emit an instance call.
+  void EmitInstanceCall(intptr_t node_id,
+                        intptr_t token_index,
+                        const String& function_name,
+                        intptr_t argument_count,
+                        const Array& argument_names,
+                        intptr_t checked_argument_count);
+
   // Infrastructure copied from class CodeGenerator.
+  void GenerateCall(intptr_t token_index,
+                    const ExternalLabel* label,
+                    PcDescriptors::Kind kind);
   void GenerateCallRuntime(intptr_t node_id,
                            intptr_t token_index,
                            const RuntimeEntry& entry);