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Early return in gc_mark_children

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for types Float, Bignum and Symbol as they do not have references
and singleton classes.

[Fix GH-2091]

From: Lourens Naudé <lourens@bearmetal.eu>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67195 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2019-03-09 00:00:26 +00:00
parent caa2a5bb0e
commit d577019746
1 changed files with 7 additions and 5 deletions
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12
gc.c
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@ -4694,6 +4694,13 @@ gc_mark_children(rb_objspace_t *objspace, VALUE obj)
}
switch (BUILTIN_TYPE(obj)) {
case T_FLOAT:
case T_BIGNUM:
case T_SYMBOL:
/* Not immediates, but does not have references and singleton
* class */
return;
case T_NIL:
case T_FIXNUM:
rb_bug("rb_gc_mark() called for broken object");
@ -4805,11 +4812,6 @@ gc_mark_children(rb_objspace_t *objspace, VALUE obj)
gc_mark(objspace, any->as.regexp.src);
break;
case T_FLOAT:
case T_BIGNUM:
case T_SYMBOL:
break;
case T_MATCH:
gc_mark(objspace, any->as.match.regexp);
if (any->as.match.str) {