In preparation for lazy deoptimization add "is_alive_" field to RawCode: visit embedded pointers on…

runtime/vm/raw_object.h

Index: runtime/vm/raw_object.h
===================================================================
--- runtime/vm/raw_object.h	(revision 11927)
+++ runtime/vm/raw_object.h	(working copy)
@@ -762,8 +762,11 @@
   }
 
   intptr_t pointer_offsets_length_;
-  // This cannot be boolean because of alignment issues on x64 architectures.
+  // These fields cannot be boolean because of alignment issues on x64
+  // architectures.
   intptr_t is_optimized_;
+  // If true, the embedded object pointers will be visited during GC.
+  intptr_t is_alive_;

[siva, 2012/09/06 16:57:55]

Not for this CL but at some point we should consider making these fields bit
fields (similar to what we have done with function, field etc.

[srdjan, 2012/09/06 17:06:03]

Agree.

 
   // Variable length data follows here.
   int32_t data_[0];