Add asserts and state tracking to ensure that we do not call

src/builtins.cc

Index: src/builtins.cc
===================================================================
--- src/builtins.cc	(revision 8110)
+++ src/builtins.cc	(working copy)
@@ -1616,7 +1616,10 @@
       // We pass all arguments to the generator, but it may not use all of
       // them.  This works because the first arguments are on top of the
       // stack.
-      g(&masm, functions[i].name, functions[i].extra_args);
+      {
+        NoCurrentFrameScope scope(&masm);

[Søren Thygesen Gjesse, 2011/05/31 07:51:45]

This might deserve a comment.

[Erik Corry, 2011/05/31 11:52:52]

Replaced with an assert that there is no current frame.

+        g(&masm, functions[i].name, functions[i].extra_args);
+      }
       // Move the code into the object heap.
       CodeDesc desc;
       masm.GetCode(&desc);