Ruby

merge revision(s) 99d8c4832a7133ca52578d015e3ddcfd94820f4a: [Backport #18160]

 Preserve the encoding of the argument in IndexError [Bug #18160] --- re.c | 20 ++++++++++---------- test/ruby/test_regexp.rb | 7 ++++++- 2 files changed, 16 insertions(+), 11 deletions(-)