array.c (rb_ary_shared_with_p): fix cache validity check.
If #pop or #shift has been called against $: or $", the array will
be still shared with the snapshot. We check array length for cache
validity. [ruby-core:49518] [Bug #7383]
test/ruby/test_require.rb
(TestRequire#test_require_with_array_pop,
TestRequire#test_require_with_array_shift): add tests for above.
Fix cache validity check of require
array.c (rb_ary_shared_with_p): fix cache validity check.
If #pop or #shift has been called against $: or $", the array will
be still shared with the snapshot. We check array length for cache
validity.
[ruby-core:49518] [Bug #7383]
test/ruby/test_require.rb
(TestRequire#test_require_with_array_pop,
TestRequire#test_require_with_array_shift): add tests for above.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37808 b2dd03c8-39d4-4d8f-98ff-823fe69b080e