Bug #6796: fix test failure of numeric/bignum built with clang -O

• Status: Rejected
• Assignee: -
• Target version: -
• ruby -v: ruby 1.8.7 (2012-06-29 patchlevel 370) [i686-darwin11.4.2]

[kimuraw (Wataru Kimura)]

=begin

木村といいます。

clangで最適化オプションをつけてコンパイルすると、bignum関連のテストが
いくつか失敗していしまいます。
添付のパッチでこの問題が解決することを確認しました。

環境

• Mac OS X 10.7.4
• clang-3.0
• ruby-1.8.7-p370

% ./ruby -v
ruby 1.8.7 (2012-06-29 patchlevel 370) [i686-darwin11.4.2]
% make TESTS=ruby test-all
./miniruby -I./lib -I.ext/common -I./- -r./ext/purelib.rb ./runruby.rb --extout=.ext -- "./test/runner.rb" --basedir="./test" --runner=console ruby
Loaded suite ruby
Started
............................./test/ruby/test_array.rb:536: warning: given block not used
.........................................................................FE../test/ruby/test_bignum.rb:109: warning: Bignum out of Float range
./test/ruby/test_bignum.rb:110: warning: Bignum out of Float range
...............................................................................................................................................................................................................F.......F....F..F.....F..........F.......................................................................................................................................................................................................................................................................................
Finished in 68.103073 seconds.

1. Failure:
   test_bignum(TestBignum) [./test/ruby/test_bignum.rb:20]:
   <815915283247897734345611269596115894272000000000> expected but was
   <12458531232290854317486386476939789467648000000>.

2. Error:
   test_calc(TestBignum):
   ZeroDivisionError: divided by 0
   ./test/ruby/test_bignum.rb:55:in modulo' ./test/ruby/test_bignum.rb:55:in test_calc'

3. Failure:
   test_readpartial_pos(TestIO)
   [./test/ruby/test_io.rb:28:in test_readpartial_pos' ./test/ruby/test_io.rb:25:in open'
   ./test/ruby/test_io.rb:25:in test_readpartial_pos' ./test/ruby/test_io.rb:9:in mkcdtmpdir'
   ./test/ruby/test_io.rb:8:in chdir' ./test/ruby/test_io.rb:8:in mkcdtmpdir'
   /Volumes/CHome/kimuraw/work/ruby/ruby_1_8_7/lib/tmpdir.rb:129:in mktmpdir' ./test/ruby/test_io.rb:7:in mkcdtmpdir'
   ./test/ruby/test_io.rb:23:in `test_readpartial_pos']:
   <2> expected but was
   <0>.

4. Failure:
   test_divmod(TestInteger)
   [./test/ruby/test_integer.rb:219:in test_divmod' ./test/ruby/test_integer.rb:212:in each'
   ./test/ruby/test_integer.rb:212:in test_divmod' ./test/ruby/test_integer.rb:211:in each'
   ./test/ruby/test_integer.rb:211:in `test_divmod']:
   <-79228162514264337593543950338> expected but was
   <-2>.

5. Failure:
   test_lshift(TestInteger)
   [./test/ruby/test_integer.rb:308:in test_lshift' ./test/ruby/test_integer.rb:303:in each'
   ./test/ruby/test_integer.rb:303:in test_lshift' ./test/ruby/test_integer.rb:302:in each'
   ./test/ruby/test_integer.rb:302:in `test_lshift']:
   -6277101735386680763835789423207666416102355444464034512898 << 63.
   <57896044618658097711785492504343953926634992332820282019747238748030274371584> expected but was
   <-57896044618658097711785492504343953926634992332820282019747238748030274371584>.

6. Failure:
   test_mult(TestInteger)
   [./test/ruby/test_integer.rb:205:in test_mult' ./test/ruby/test_integer.rb:198:in each'
   ./test/ruby/test_integer.rb:198:in test_mult' ./test/ruby/test_integer.rb:197:in each'
   ./test/ruby/test_integer.rb:197:in `test_mult']:
   -6277101735386680763835789423207666416102355444464034512898 * -4611686018427387906.
   <28948022309329048868446949722945338490989075012825473841617161661100467421188> expected but was
   <28948022309329048868446949722945338490989075012825473842078330262943206211588>.

7. Failure:
   test_pow(TestInteger)
   [./test/ruby/test_integer.rb:243:in test_pow' ./test/ruby/test_integer.rb:234:in each'
   ./test/ruby/test_integer.rb:234:in test_pow' ./test/ruby/test_integer.rb:233:in each'
   ./test/ruby/test_integer.rb:233:in `test_pow']:
   ((-4611686018427387904) ** 2) / -4611686018427387904 / ...(2 times)...
   <1> expected but was
   <0>.

8. Failure:
   test_rshift(TestInteger)
   [./test/ruby/test_integer.rb:330:in test_rshift' ./test/ruby/test_integer.rb:325:in each'
   ./test/ruby/test_integer.rb:325:in test_rshift' ./test/ruby/test_integer.rb:324:in each'
   ./test/ruby/test_integer.rb:324:in `test_rshift']:
   -6277101735386680763835789423207666416102355444464034512898 >> -65.
   <0> expected but was
   <-231584178474632390847141970017375815706539969331281128078988954992121097486336>.

624 tests, 452824 assertions, 7 failures, 1 errors
make: *** [test-all] Error 1
make TESTS=ruby test-all 62.34s user 0.91s system 92% cpu 1:08.44 total

=end

[sorah (Sorah Fukumori)]

• Project changed from Backport187 to Ruby 1.8

[sorah (Sorah Fukumori)]

• Tracker changed from Feature to Bug

[sorah (Sorah Fukumori)]

• Status changed from Open to Rejected
• ruby -v set to ruby 1.8.7 (2012-06-29 patchlevel 370) [i686-darwin11.4.2]

1.8.7 の bug fix は終了しています。

http://www.ruby-lang.org/ja/news/2011/10/07/plans-for-1-8-7/

[knu (Akinori MUSHA)]

ruby_1_8には入れておきます。（r36546）