[njs] Returning MemoryError exception without any allocations.

[Dmitry Volyntsev]

details:   http://hg.nginx.org/njs/rev/00762256c67a
branches:  
changeset: 555:00762256c67a
user:      Dmitry Volyntsev <xeioex at nginx.com>
date:      Fri Jul 13 15:12:11 2018 +0300
description:
Returning MemoryError exception without any allocations.

diffstat:

 njs/njs_vm.c |  4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diffs (15 lines):

diff -r 0c131f169fe6 -r 00762256c67a njs/njs_vm.c
--- a/njs/njs_vm.c	Thu Jul 12 15:24:18 2018 +0300
+++ b/njs/njs_vm.c	Fri Jul 13 15:12:11 2018 +0300
@@ -3162,8 +3162,10 @@ again:
         if (nxt_slow_path(src->type == NJS_OBJECT_INTERNAL_ERROR)) {
 
             /* MemoryError is a nonextensible internal error. */
+
             if (!src->data.u.object->extensible) {
-                src = &njs_string_memory_error;
+                njs_string_get(&njs_string_memory_error, dst);
+                return NXT_OK;
             }
         }