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Bug #9683 » 9683.patch

srawlins (Sam Rawlins), 04/01/2014 06:42 PM

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hash.c
}
static VALUE
ifnone_recursive(VALUE obj, VALUE arg, int recurse) {
if (recurse) return Qnil;
return rb_funcall(RHASH_IFNONE(obj), id_yield, 2, obj, arg);
}
static VALUE
hash_default_value(VALUE hash, VALUE key)
{
if (rb_method_basic_definition_p(CLASS_OF(hash), id_default)) {
VALUE ifnone = RHASH_IFNONE(hash);
if (!FL_TEST(hash, HASH_PROC_DEFAULT)) return ifnone;
if (key == Qundef) return Qnil;
return rb_funcall(ifnone, id_yield, 2, hash, key);
return rb_exec_recursive_paired_outer(ifnone_recursive, hash, key, key);
}
else {
return rb_funcall(hash, id_default, 1, key);
test/ruby/test_hash.rb
assert_equal(true, h[:nope])
h = @cls[]
assert_nil(h.default_proc)
bug9683 = '[Bug #9683]'
h = @cls.new {|hh, k| hh[k] += 1 }
assert_nothing_raised(SystemStackError, bug9683) { h[1] }
fac = @cls.new {|hh, k| hh[k] = hh[k-1]*k }
fac[1] = 1
assert_nothing_raised(SystemStackError, bug9683) { fac[5] }
end
def test_shift2
(3-3/3)