In optimized code use IC calls for instance calls that have no IC data instead of deoptimizing. The…

runtime/vm/object.h

Index: runtime/vm/object.h
===================================================================
--- runtime/vm/object.h	(revision 14798)
+++ runtime/vm/object.h	(working copy)
@@ -2799,6 +2799,12 @@
 
   void set_deopt_reason(intptr_t reason) const;
 
+  bool is_closure_call() const {
+    return raw_ptr()->is_closure_call_  == 1;

[Kevin Millikin (Google), 2012/11/13 17:56:53]

There's an extra space before ==.

[srdjan, 2012/11/13 18:21:39]

Done.

+  }
+
+  void set_is_closure_call(bool value) const;
+
   intptr_t NumberOfChecks() const;
 
   static intptr_t InstanceSize() {
@@ -2821,6 +2827,10 @@
     return OFFSET_OF(RawICData, function_);
   }
 
+  static intptr_t is_closure_call_offset() {
+    return OFFSET_OF(RawICData, is_closure_call_);
+  }
+
   // Adding checks.
 
   // Adds one more class test to ICData. Length of 'classes' must be equal to