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re.c: stop a wrong warning of "flags ignored" on Regexp.new(//)

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[Bug #18669]
This commit is contained in:
Yusuke Endoh 2022-03-31 10:07:09 +09:00
parent 3a70d4cd60
commit c499a4c28a
2 changed files with 3 additions and 1 deletions
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2
re.c
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@ -3557,7 +3557,7 @@ rb_reg_initialize_m(int argc, VALUE *argv, VALUE self)
if (RB_TYPE_P(src, T_REGEXP)) {
VALUE re = src;
if (opts != Qundef) {
if (opts != Qnil) {
rb_warn("flags ignored");
}
rb_reg_check(re);

2
test/ruby/test_regexp.rb
View File

@ -557,6 +557,8 @@ class TestRegexp < Test::Unit::TestCase
def test_initialize
assert_raise(ArgumentError) { Regexp.new }
assert_equal(/foo/, assert_warning(/ignored/) {Regexp.new(/foo/, Regexp::IGNORECASE)})
assert_equal(/foo/, assert_no_warning(/ignored/) {Regexp.new(/foo/)})
assert_equal(/foo/, assert_no_warning(/ignored/) {Regexp.new(/foo/, timeout: nil)})
assert_equal(Encoding.find("US-ASCII"), Regexp.new("b..", nil, "n").encoding)
assert_equal("bar", "foobarbaz"[Regexp.new("b..", nil, "n")])