Bug #9749: r45589 introduced an incompatibility

• Status: Closed
• Assignee: nobu (Nobuyoshi Nakada)
• Target version: 2.2.0
• ruby -v: ruby 2.2.0dev (2014-04-16 trunk 45599) [x86_64-linux]
• Backport: 2.0.0: DONTNEED, 2.1: DONTNEED

[mame (Yusuke Endoh)]

$ ruby -ve 'ary = []; (1..10).each_slice(3, &lambda {|a, *| ary << a }); p ary'
ruby 2.1.0p0 (2013-12-25 revision 44422) [x86_64-linux]
[[1, 2, 3], [4, 5, 6], [7, 8, 9], [10]]

$ ./miniruby -ve 'ary = []; (1..10).each_slice(3, &lambda {|a, *| ary << a }); p ary'
ruby 2.2.0dev (2014-04-16 trunk 45599) [x86_64-linux]
[[10], [10], [10], [10]]

See also: https://github.com/ruby/ruby/pull/596#issuecomment-40594384

--
Yusuke Endoh [e-mail]

[nobu (Nobuyoshi Nakada)]

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

Applied in changeset r45603.

---

enum.c: fix condition to recycle block argument

• enum.c (dont_recycle_block_arg): fix condition to recycle block
  argument. lambda with rest can get internal array directly.
  [ruby-core:62060] [Bug #9749]

[usa (Usaku NAKAMURA)]

• Backport changed from 2.0.0: UNKNOWN, 2.1: UNKNOWN to 2.0.0: DONTNEED, 2.1: DONTNEED