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Move FL_SINGLETON to FL_USER1

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This frees FL_USER0 on both T_MODULE and T_CLASS.

Note: prior to this, FL_SINGLETON was never set on T_MODULE,
so checking for `FL_SINGLETON` without first checking that
`FL_TYPE` was `T_CLASS` was valid. That's no longer the case.
This commit is contained in:
Jean Boussier 2024-03-06 11:04:22 -05:00 • committed by Peter Zhu
parent b88973165a
commit b4a69351ec
23 changed files with 76 additions and 56 deletions
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2
eval.c
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@ -428,7 +428,7 @@ rb_class_modify_check(VALUE klass)
if (OBJ_FROZEN(klass)) {
const char *desc;
if (FL_TEST(klass, FL_SINGLETON)) {
if (RCLASS_SINGLETON_P(klass)) {
desc = "object";
klass = RCLASS_ATTACHED_OBJECT(klass);
if (!SPECIAL_CONST_P(klass)) {