Track live instance and allocation counts for classes

runtime/vm/assembler_ia32.h

Index: runtime/vm/assembler_ia32.h
diff --git a/runtime/vm/assembler_ia32.h b/runtime/vm/assembler_ia32.h
index f53bf3777dd00b03f6e10e8812b33aee7566c053..c95976af31fe837fde69f69c60c7d3f2de6b3662 100644
--- a/runtime/vm/assembler_ia32.h
+++ b/runtime/vm/assembler_ia32.h
@@ -759,14 +759,18 @@ class Assembler : public ValueObject {
   //   L:
   static const intptr_t kEntryPointToPcMarkerOffset = 8;
 
+  void BumpAllocationCount(intptr_t cid,
+                           Register temp_reg);
+
   // Inlined allocation of an instance of class 'cls', code has no runtime
   // calls. Jump to 'failure' if the instance cannot be allocated here.
   // Allocated instance is returned in 'instance_reg'.
   // Only the tags field of the object is initialized.
   void TryAllocate(const Class& cls,
-                          Label* failure,
-                          bool near_jump,
-                          Register instance_reg);
+                   Label* failure,
+                   bool near_jump,
+                   Register instance_reg,
+                   Register temp_reg);
 
   // Debugging and bringup support.
   void Stop(const char* message);