Bug #13710: Time zone info lost after doing +/- on time object that loaded from dumped string.

• Status: Closed
• Assignee: -
• Target version: -
• ruby -v: ruby 2.4.1p111 (2017-03-22 revision 58053) [x86_64-darwin15]
• Backport: 2.2: UNKNOWN, 2.3: UNKNOWN, 2.4: UNKNOWN

[Cantin (Cantin Xu)]

See script below.

Time#zone return nil after doing +/- on instance b (which is loaded from dumped string)

a = Marshal.dump(Time.now)
b = Marshal.load(a)
p b.zone  # CST
p (b + 1).zone # nil
p (b - 1).zone # nil
p (Time.now + 1).zone # CST

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed

Applied in changeset trunk|r59258.

---

time.c: preserve marshalled timezone

• time.c (time_add): preserve timezone name restored by Marshal.
  [ruby-core:81892] [Bug #13710]

• time.c (time_mload): reset localtime if having timezone.