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-rw-r--r--vm_insnhelper.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/vm_insnhelper.h b/vm_insnhelper.h
index 74ca8450e4..838a652672 100644
--- a/vm_insnhelper.h
+++ b/vm_insnhelper.h
@@ -154,9 +154,9 @@ extern VALUE ruby_vm_const_missing_count;
#define COPY_CREF(c1, c2) do { \
NODE *__tmp_c2 = (c2); \
- c1->nd_clss = __tmp_c2->nd_clss; \
- c1->nd_visi = __tmp_c2->nd_visi; \
- c1->nd_next = __tmp_c2->nd_next; \
+ c1->nd_clss = rb_gc_write_barrier((VALUE)__tmp_c2->nd_clss);\
+ c1->nd_visi = __tmp_c2->nd_visi;\
+ c1->nd_next = (NODE *)rb_gc_write_barrier((VALUE)__tmp_c2->nd_next);\
} while (0)
#define CALL_METHOD(num, blockptr, flag, id, mn, recv) do { \