Add an assigned variables analysis....

src/compiler.cc

Index: src/compiler.cc
===================================================================
--- src/compiler.cc	(revision 4066)
+++ src/compiler.cc	(working copy)
@@ -79,6 +79,15 @@
     return Handle<Code>::null();
   }
 
+  if (function->scope()->num_parameters() > 0 ||
+      function->scope()->num_stack_slots()) {
+    AssignedVariablesAnalyzer ava(function);
+    ava.Analyze();
+    if (ava.HasStackOverflow()) {
+      return Handle<Code>::null();
+    }
+  }
+
   if (FLAG_use_flow_graph) {
     FlowGraphBuilder builder;
     builder.Build(function);
@@ -463,6 +472,15 @@
       return Handle<JSFunction>::null();
     }
 
+    if (literal->scope()->num_parameters() > 0 ||
+        literal->scope()->num_stack_slots()) {
+      AssignedVariablesAnalyzer ava(literal);
+      ava.Analyze();
+      if (ava.HasStackOverflow()) {
+        return Handle<JSFunction>::null();
+      }
+    }
+
     if (FLAG_use_flow_graph) {
       FlowGraphBuilder builder;
       builder.Build(literal);