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Preallocate capacity for id table in rb_singleton_class_clone_and_attach

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We know the exact capacity for the constant table created in
rb_singleton_class_clone_and_attach so we can preallocate it.
This commit is contained in:
Peter Zhu 2025-10-17 17:28:55 -04:00
parent 9b2216954a
commit 7989a2ff46
Notes: git 2025-10-18 00:44:36 +00:00 
Merged: https://github.com/ruby/ruby/pull/14874
1 changed files with 1 additions and 1 deletions
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class.c
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@ -1193,7 +1193,7 @@ rb_singleton_class_clone_and_attach(VALUE obj, VALUE attach)
if (RCLASS_CONST_TBL(klass)) {
struct clone_const_arg arg;
struct rb_id_table *table;
arg.tbl = table = rb_id_table_create(0);
arg.tbl = table = rb_id_table_create(rb_id_table_size(RCLASS_CONST_TBL(klass)));
arg.klass = clone;
rb_id_table_foreach(RCLASS_CONST_TBL(klass), clone_const_i, &arg);
RCLASS_SET_CONST_TBL(clone, table, false);