VM-codegen: Add IL instruction to check if a Smi is in a constant range

runtime/vm/flow_graph_compiler.h

Index: runtime/vm/flow_graph_compiler.h
diff --git a/runtime/vm/flow_graph_compiler.h b/runtime/vm/flow_graph_compiler.h
index 0e91b00f39f13665cf97adf257fa9af5063623c6..0a7949af78c92d50caccbfdce8545ce91240c137 100644
--- a/runtime/vm/flow_graph_compiler.h
+++ b/runtime/vm/flow_graph_compiler.h
@@ -608,7 +608,8 @@ class FlowGraphCompiler : public ValueObject {
   static bool LookupMethodFor(int class_id,

[Vyacheslav Egorov (Google), 2017/06/28 13:53:47]

If possible please exclude abstract class change from this CL as it is not
directly related.

I would like to keep CL minimal (e.g. they solve one particular problem).

[erikcorry, 2017/07/03 08:59:55]

Done.

                               const String& name,
                               const ArgumentsDescriptor& args_desc,
-                              Function* fn_return);
+                              Function* fn_return,
+                              bool* class_is_abstract_return = NULL);
 
 #if defined(TARGET_ARCH_DBC)
   enum CallResult {