In the toplevel compiler, shift the responsibility of assigning a...

src/ast.h

Index: src/ast.h
===================================================================
--- src/ast.h	(revision 3152)
+++ src/ast.h	(working copy)
@@ -747,6 +747,8 @@
     Expression* value() { return value_; }
     Kind kind() { return kind_; }
 
+    bool IsCompileTimeValue();
+
    private:
     Literal* key_;
     Expression* value_;