Merge the partial_snapshots branch back into bleeding_edge. For...

src/frames.cc

Index: src/frames.cc
===================================================================
--- src/frames.cc	(revision 4215)
+++ src/frames.cc	(working copy)
@@ -346,6 +346,7 @@
 
 void StackFrame::Cook() {
   Code* code = this->code();
+  ASSERT(code->IsCode());
   for (StackHandlerIterator it(this, top_handler()); !it.done(); it.Advance()) {
     it.handler()->Cook(code);
   }
@@ -356,6 +357,7 @@
 
 void StackFrame::Uncook() {
   Code* code = this->code();
+  ASSERT(code->IsCode());
   for (StackHandlerIterator it(this, top_handler()); !it.done(); it.Advance()) {
     it.handler()->Uncook(code);
   }