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Bug #8703

hash_type is not duplicated if hash is empty

Added by Masaki Matsushita almost 3 years ago. Updated over 2 years ago.

Status:
Closed
Priority:
Normal
Assignee:
-
ruby -v:
ruby 2.1.0dev (2013-07-29 trunk 42224) [x86_64-linux]
[ruby-core:56256]

Description

{}.compare_by_identity.dup.compare_by_identity? #=> false
{1=>1}.compare_by_identity.dup.compare_by_identity? #=> true

I think it is a bug.

patch.diff View (449 Bytes) Masaki Matsushita, 07/29/2013 04:30 PM

Associated revisions

Revision 42227
Added by Nobuyoshi Nakada almost 3 years ago

hash.c: copied identhash

  • hash.c (rb_hash_initialize_copy): copy st_table type even if empty. [Bug #8703]

Revision 42227
Added by Nobuyoshi Nakada almost 3 years ago

hash.c: copied identhash

  • hash.c (rb_hash_initialize_copy): copy st_table type even if empty. [Bug #8703]

Revision 42227
Added by Nobuyoshi Nakada almost 3 years ago

hash.c: copied identhash

  • hash.c (rb_hash_initialize_copy): copy st_table type even if empty. [Bug #8703]

Revision 42229
Added by Nobuyoshi Nakada almost 3 years ago

hash.c: copied identhash

  • hash.c (rb_hash_initialize_copy): copy st_table type even if empty. [Bug #8703]

Revision 42229
Added by Nobuyoshi Nakada almost 3 years ago

hash.c: copied identhash

  • hash.c (rb_hash_initialize_copy): copy st_table type even if empty. [Bug #8703]

Revision 42229
Added by Nobuyoshi Nakada almost 3 years ago

hash.c: copied identhash

  • hash.c (rb_hash_initialize_copy): copy st_table type even if empty. [Bug #8703]

History

#1 Updated by Nobuyoshi Nakada almost 3 years ago

  • Status changed from Open to Closed
  • % Done changed from 0 to 100

This issue was solved with changeset r42227.
Masaki, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.


hash.c: copied identhash

  • hash.c (rb_hash_initialize_copy): copy st_table type even if empty. [Bug #8703]

#2 [ruby-core:60701] Updated by Usaku NAKAMURA over 2 years ago

  • Backport changed from 1.9.3: REQUIRED, 2.0.0: REQUIRED to 1.9.3: DONTNEED, 2.0.0: REQUIRED

#3 [ruby-core:60766] Updated by Tomoyuki Chikanaga over 2 years ago

  • Backport changed from 1.9.3: DONTNEED, 2.0.0: REQUIRED to 1.9.3: DONTNEED, 2.0.0: DONE

r42224, r42225, r42226, r42227, r42228, r42229 and r42232 were backported to ruby_2_0_0 at 44979.

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