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| author | Yukihiro "Matz" Matsumoto <[email protected]> | 2017-06-22 01:20:22 +0900 |
|---|---|---|
| committer | Yukihiro "Matz" Matsumoto <[email protected]> | 2017-06-22 01:20:22 +0900 |
| commit | c41e262667faa0edea31e47d133276c1dc72ef06 (patch) | |
| tree | cb2f0b4bd6512e7171db942dc1a80ac9edc6e554 /src/kernel.c | |
| parent | af0bef6dd8da9520ef1a124b63e46245609153f3 (diff) | |
| download | mruby-c41e262667faa0edea31e47d133276c1dc72ef06.tar.gz mruby-c41e262667faa0edea31e47d133276c1dc72ef06.zip | |
Add write barrier to protect singleton class from GC; fix #3717
Diffstat (limited to 'src/kernel.c')
| -rw-r--r-- | src/kernel.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/kernel.c b/src/kernel.c index 20f52922d..d7f18b677 100644 --- a/src/kernel.c +++ b/src/kernel.c @@ -318,6 +318,7 @@ mrb_obj_clone(mrb_state *mrb, mrb_value self) } p = (struct RObject*)mrb_obj_alloc(mrb, mrb_type(self), mrb_obj_class(mrb, self)); p->c = mrb_singleton_class_clone(mrb, self); + mrb_field_write_barrier(mrb, (struct RBasic*)p, (struct RBasic*)p->c); clone = mrb_obj_value(p); init_copy(mrb, clone, self); |