[inspector] cache stack frame for call sites

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index d1fe2e4741799087c94c8cdc7fd14917f80aa8f9..a7581bb7dadd0a6491e587f83c92fa52a6eed0e2 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -8655,8 +8655,8 @@ class Internals {
   static const int kNodeIsIndependentShift = 3;
   static const int kNodeIsActiveShift = 4;
 
-  static const int kJSApiObjectType = 0xbb;
-  static const int kJSObjectType = 0xbc;
+  static const int kJSApiObjectType = 0xbc;
+  static const int kJSObjectType = 0xbd;

[Yang, 2017/04/12 15:25:35]

You don't have to make this change (and therefore wait for branch cut) if you
simply use TUPLE2_TYPE for instance type instead of introducing a new one.

   static const int kFirstNonstringType = 0x80;
   static const int kOddballType = 0x82;
   static const int kForeignType = 0x86;