Initial split of precompilation code from compiler.cc

runtime/vm/flow_graph_optimizer.cc

Index: runtime/vm/flow_graph_optimizer.cc
diff --git a/runtime/vm/flow_graph_optimizer.cc b/runtime/vm/flow_graph_optimizer.cc
index b37b654e9206d25da89e68caad4b76648ce0cc95..429cff6b56e6120234df1e212a298e8cd6193d52 100644
--- a/runtime/vm/flow_graph_optimizer.cc
+++ b/runtime/vm/flow_graph_optimizer.cc
@@ -250,6 +250,7 @@ bool FlowGraphOptimizer::TryCreateICData(InstanceCallInstr* call) {
     return true;
   }
 
+#ifdef DART_PRECOMPILER
   if (FLAG_precompilation &&
       (isolate()->object_store()->unique_dynamic_targets() != Array::null())) {
     // Check if the target is unique.
@@ -270,6 +271,7 @@ bool FlowGraphOptimizer::TryCreateICData(InstanceCallInstr* call) {
       return true;
     }
   }
+#endif
 
   // Check if getter or setter in function's class and class is currently leaf.
   if (FLAG_guess_icdata_cid &&