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class.c: clear const cache on include/prepend

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mrb_include_module() and mrb_prepend_module() did not invalidate
the constant cache. stale cache entries caused incorrect constant
resolution after include changed the ancestor chain.

Co-authored-by: Claude <noreply@anthropic.com>
This commit is contained in:
Yukihiro "Matz" Matsumoto
2026-03-17 16:12:07 +09:00
parent 3b85d48f89
commit 0f47249963
1 changed files with 2 additions and 0 deletions
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src/class.c
+2
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@@ -1970,6 +1970,7 @@ mrb_include_module(mrb_state *mrb, struct RClass *c, struct RClass *m)
if (include_module_at(mrb, c, find_origin(c), m, 1) < 0) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "cyclic include detected");
}
mrb_const_cache_clear(mrb);
if (c->tt == MRB_TT_MODULE && (c->flags & MRB_FL_CLASS_IS_INHERITED)) {
struct RClass *data[2];
data[0] = c;
@@ -2039,6 +2040,7 @@ mrb_prepend_module(mrb_state *mrb, struct RClass *c, struct RClass *m)
if (include_module_at(mrb, c, c, m, 0) < 0) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "cyclic prepend detected");
}
mrb_const_cache_clear(mrb);
if (c->tt == MRB_TT_MODULE &&
(c->flags & (MRB_FL_CLASS_IS_INHERITED|MRB_FL_CLASS_IS_PREPENDED))) {
struct RClass *data[2];