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eval.c: no overwrite SystemStackError backtrace

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* eval.c (setup_exception): should not overwrite SystemStackError
  backtrace if set already.  [ruby-core:63377] [Feature #6216]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46594 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-06-28 04:58:53 +00:00
parent 3ff85b795a
commit fd4df3be5c
3 changed files with 16 additions and 7 deletions
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4
test/ruby/test_exception.rb
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@ -533,6 +533,10 @@ end.join
e = assert_raise(SystemStackError, feature6216) {m}
level = e.backtrace.size
assert_operator(level, :>, 10, feature6216)
feature6216 = '[ruby-core:63377] [Feature #6216]'
e = assert_raise(SystemStackError, feature6216) {raise e}
assert_equal(level, e.backtrace.size, feature6216)
end
def test_machine_stackoverflow