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encoding.c: check external encoding

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* encoding.c (rb_enc_get_index): external encoding may not be Data
  object.  [ruby-core:89016] [Bug #15122]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64753 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2018-09-15 16:27:06 +00:00
parent 97f8d0fb9e
commit e040465153
2 changed files with 8 additions and 1 deletions
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2
encoding.c
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@ -803,7 +803,7 @@ rb_enc_get_index(VALUE obj)
if (NIL_P(tmp)) {
tmp = rb_funcallv(obj, rb_intern("external_encoding"), 0, 0);
}
if (is_data_encoding(tmp)) {
if (is_obj_encoding(tmp)) {
i = enc_check_encoding(tmp);
}
break;

7
test/ruby/test_io.rb
View file

@ -3855,4 +3855,11 @@ __END__
th.join
end;
end
def test_external_encoding_index
IO.pipe {|r, w|
assert_raise(TypeError) {Marshal.dump(r)}
assert_raise(TypeError) {Marshal.dump(w)}
}
end
end