Started new compiler for ia32. Getters and setters can be intrinsified within the new compiler.

runtime/vm/flow_graph_compiler_x64.cc

Index: runtime/vm/flow_graph_compiler_x64.cc
===================================================================
--- runtime/vm/flow_graph_compiler_x64.cc	(revision 8112)
+++ runtime/vm/flow_graph_compiler_x64.cc	(working copy)
@@ -91,6 +91,7 @@
       block_info_(block_order.length()),
       current_block_(NULL),
       pc_descriptors_list_(NULL),
+      stackmap_builder_(NULL),
       exception_handlers_list_(NULL),
       deopt_stubs_(),
       is_optimizing_(is_optimizing) {
@@ -1622,8 +1623,14 @@
 
 
 void FlowGraphCompiler::FinalizeStackmaps(const Code& code) {
-  // TODO(srdjan): Compute stack maps for optimizing compiler.
-  code.set_stackmaps(Array::Handle());
+  if (stackmap_builder_ == NULL) {
+    // The unoptimizing compiler has no stack maps.
+    code.set_stackmaps(Array::Handle());
+  } else {
+    // Finalize the stack map array and add it to the code object.
+    code.set_stackmaps(
+        Array::Handle(stackmap_builder_->FinalizeStackmaps(code)));
+  }
 }