Backport #5890: Please backport r34236

• Status: Closed
• Assignee: -

[john_firebaugh (John Firebaugh)]

This revision resolves the following issues:

inconsistent treatment of 8 bit characters in US-ASCII (http://bugs.ruby-lang.org/issues/5855)
Integer#chr may return a string with multiple characters (http://bugs.ruby-lang.org/issues/5863)
Integer#chr raises on some invalid codepoints but returns an invalidly-encoded string for others (http://bugs.ruby-lang.org/issues/5864)

[naruse (Yui NARUSE)]

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

This issue was solved with changeset r34501.
John, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.

---

merge revision(s) 34236: [Backport #5890]

* numeric.c (rb_enc_uint_char): raise RangeError when added codepoint
  is invalid. [Feature #5855] [Bug #5863] [Bug #5864]

* string.c (rb_str_concat): ditto.

* string.c (rb_str_concat): set encoding as ASCII-8BIT when the string
  is US-ASCII and the argument is an integer greater than 127.

* regenc.c (onigenc_mb2_code_to_mbclen): rearrange error code.

* enc/euc_jp.c (code_to_mbclen): ditto.

* enc/shift_jis.c (code_to_mbclen): ditto.