Bug #18171: `Marshal` ignores `Hash#compare_by_identity`

• Status: Closed
• Assignee: matz (Yukihiro Matsumoto)
• Target version: -
• Backport: 2.6: UNKNOWN, 2.7: UNKNOWN, 3.0: UNKNOWN

[nobu (Nobuyoshi Nakada)]

Is this a bug?

h = {}.compare_by_identity
h["a"+"1"] = "1"
h["a"+"1"] = "2"
p h                             #=> {"a1"=>"1", "a1"=>"2"}
p Marshal.load(Marshal.dump(h)) #=> {"a1"=>"2"}

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed

Applied in changeset git|d08721465850a6e6954b43bbfebe2ed5a7256dec.

---

Restore Hash#compare_by_identity mode [Bug #18171]