Strict mode delete of unqualified identifier.

src/messages.js

Index: src/messages.js
diff --git a/src/messages.js b/src/messages.js
index 1e41b178ccfdf0aef09727cfe93f6fa9803871db..ac7962c5cd2c5d257a1f56d3cff7c962f1928984 100644
--- a/src/messages.js
+++ b/src/messages.js
@@ -224,6 +224,7 @@ function FormatMessage(message) {
       strict_lhs_postfix:           ["Postfix increment/decrement may not have eval or arguments operand in strict mode"],
       strict_lhs_prefix:            ["Prefix increment/decrement may not have eval or arguments operand in strict mode"],
       strict_reserved_word:         ["Use of future reserved word in strict mode"],
+      strict_delete:                ["Delete of an unqualified identifier in strict mode."],
     };
   }
   var message_type = %MessageGetType(message);