Add a stubbed-out implementation of FlowGraphCompiler for ia32 and arm.

runtime/vm/flow_graph_compiler_x64.cc

Index: runtime/vm/flow_graph_compiler_x64.cc
diff --git a/runtime/vm/flow_graph_compiler_x64.cc b/runtime/vm/flow_graph_compiler_x64.cc
index ef95acc1583b92e11aaad9c6248c6ba32a94efe7..5d1780f7bedb5d874b745eee71ded176eed13b77 100644
--- a/runtime/vm/flow_graph_compiler_x64.cc
+++ b/runtime/vm/flow_graph_compiler_x64.cc
@@ -19,7 +19,6 @@ namespace dart {
 DECLARE_FLAG(bool, print_ast);
 DECLARE_FLAG(bool, print_scopes);
 DECLARE_FLAG(bool, trace_functions);
-DECLARE_FLAG(bool, disassemble);
 
 void FlowGraphCompiler::Bailout(const char* reason) {
   const char* kFormat = "FlowGraphCompiler Bailout: %s.";
@@ -187,17 +186,6 @@ void FlowGraphCompiler::CompileGraph() {
                                       0,
                                       -1);
   __ jmp(&StubCode::FixCallersTargetLabel());
-
-  if (FLAG_disassemble) {
-    const char* function_fullname = function.ToFullyQualifiedCString();
-    OS::Print(";;; Function %s\n", function_fullname);
-    const Code& code = Code::Handle(Code::FinalizeCode("GRAPH", assembler_));
-    const Instructions& instructions =
-        Instructions::Handle(code.instructions());
-    uword start = instructions.EntryPoint();
-    Disassembler::Disassemble(start, start + assembler_->CodeSize());
-    OS::Print("\n");
-  }
 }
 
 
@@ -222,6 +210,30 @@ void FlowGraphCompiler::AddCurrentDescriptor(PcDescriptors::Kind kind,
 }
 
 
+void FlowGraphCompiler::FinalizePcDescriptors(const Code& code) {
+  ASSERT(pc_descriptors_list_ != NULL);
+  const PcDescriptors& descriptors = PcDescriptors::Handle(
+      pc_descriptors_list_->FinalizePcDescriptors(code.EntryPoint()));
+  CodeGenerator::VerifyPcDescriptors(
+      descriptors, parsed_function_.function().is_optimizable());
+  code.set_pc_descriptors(descriptors);
+}
+
+
+void FlowGraphCompiler::FinalizeVarDescriptors(const Code& code) {
+  const LocalVarDescriptors& var_descs = LocalVarDescriptors::Handle(
+          parsed_function_.node_sequence()->scope()->GetVarDescriptors());
+  code.set_var_descriptors(var_descs);
+}
+
+
+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