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regexec.c: invalidate previously matched position

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* regexec.c (match_at): invalidate end position not yet matched
  when new start position is pushed, to dispose previously stored
  position.  [ruby-core:83743] [Bug #14101]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60755 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2017-11-13 05:50:54 +00:00
parent 0c467565ca
commit 24d38cc447
2 changed files with 4 additions and 0 deletions
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test/ruby/test_regexp.rb
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@ -1238,6 +1238,9 @@ class TestRegexp < Test::Unit::TestCase
assert_equal(0, /\/\*((?~\*\/))\*\// =~ "/*abc*def/xyz*/ /* */")
assert_equal("abc*def/xyz", $1)
assert_equal(0, /(?~(a)c)/ =~ "abb")
assert_nil($1)
end
# This assertion is for porting x2() tests in testpy.py of Onigmo.