Update V8 to r5091 as required by WebKit r63859.
Change-Id: I8e35d765e6f6c7f89eccff900e1cabe2d5dd6110
diff --git a/src/macros.py b/src/macros.py
index b4be15b..643a285 100644
--- a/src/macros.py
+++ b/src/macros.py
@@ -115,7 +115,8 @@
# Macro for ECMAScript 5 queries of the type:
# "Type(O) is object."
# This is the same as being either a function or an object in V8 terminology.
-macro IS_SPEC_OBJECT_OR_NULL(arg) = (%_IsObject(arg) || %_IsFunction(arg));
+# In addition, an undetectable object is also included by this.
+macro IS_SPEC_OBJECT(arg) = (%_IsSpecObject(arg));
# Inline macros. Use %IS_VAR to make sure arg is evaluated only once.
macro NUMBER_IS_NAN(arg) = (!%_IsSmi(%IS_VAR(arg)) && !(arg == arg));