tree ed36c7e31da871173ccff52c21de9a1588526187
parent 5d0c7d196287faae8772c9eedc5dbc243140a2fc
author Ruslan Ermilov <ru@nginx.com> 1507748668 +0300
committer Ruslan Ermilov <ru@nginx.com> 1507748668 +0300

Upstream: fixed $upstream_status when upstream returns 503/504.

If proxy_next_upstream includes http_503/http_504, and upstream
returns 503/504, $upstream_status converted this to 502 for any
values except the last one.