Strict mode delete.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 264cc0bc736c12299917dba361eb6d9b54b77feb..559ada63f41922bdb30efb209884a6b9a1280be3 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -1286,7 +1286,12 @@ class HeapNumber: public HeapObject {
 // caching.
 class JSObject: public HeapObject {
  public:
-  enum DeleteMode { NORMAL_DELETION, FORCE_DELETION };
+  enum DeleteMode {
+    NORMAL_DELETION,
+    STRICT_DELETION,
+    FORCE_DELETION
+  };

[Martin Maly, 2011/02/14 05:15:22]

This enum felt like natural place to capture strict delete. I actually
originally built the code passing around additional parameter and then
consolidated back to this enum, making sure all code paths are handled.

+
   enum ElementsKind {
     // The only "fast" kind.
     FAST_ELEMENTS,