Merge 6095:6198 from bleeding_edge to experimental/gc.

src/ast.cc

Index: src/ast.cc
===================================================================
--- src/ast.cc	(revision 6170)
+++ src/ast.cc	(working copy)
@@ -517,6 +517,9 @@
   if (key()->IsPropertyName()) {
     if (oracle->LoadIsBuiltin(this, Builtins::LoadIC_ArrayLength)) {
       is_array_length_ = true;
+    } else if (oracle->LoadIsBuiltin(this,
+                                     Builtins::LoadIC_FunctionPrototype)) {
+      is_function_prototype_ = true;
     } else {
       Literal* lit_key = key()->AsLiteral();
       ASSERT(lit_key != NULL && lit_key->handle()->IsString());