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| author | Yukihiro "Matz" Matsumoto <[email protected]> | 2018-06-07 16:17:00 +0900 |
|---|---|---|
| committer | Yukihiro "Matz" Matsumoto <[email protected]> | 2018-06-07 16:17:00 +0900 |
| commit | 55edae0226409de25e59922807cb09acb45731a2 (patch) | |
| tree | f4bcc8c18214f59d73d4e430b86b0d45c2cf0914 /src/kernel.c | |
| parent | cfd0c93d7d9dad13e6677beb7b7bd822a7572f8d (diff) | |
| download | mruby-55edae0226409de25e59922807cb09acb45731a2.tar.gz mruby-55edae0226409de25e59922807cb09acb45731a2.zip | |
Allow `Object#clone` to copy frozen status only; fix #4036
Copying all flags from the original object may overwrite the clone's
flags e.g. the embedded flag.
Diffstat (limited to 'src/kernel.c')
| -rw-r--r-- | src/kernel.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/kernel.c b/src/kernel.c index f378004cb..bbe6e8bb7 100644 --- a/src/kernel.c +++ b/src/kernel.c @@ -348,7 +348,7 @@ mrb_obj_clone(mrb_state *mrb, mrb_value self) mrb_field_write_barrier(mrb, (struct RBasic*)p, (struct RBasic*)p->c); clone = mrb_obj_value(p); init_copy(mrb, clone, self); - p->flags = mrb_obj_ptr(self)->flags; + p->flags |= mrb_obj_ptr(self)->flags & MRB_FLAG_IS_FROZEN; return clone; } |