diff options
Diffstat (limited to 'vm_callinfo.h')
| -rw-r--r-- | vm_callinfo.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/vm_callinfo.h b/vm_callinfo.h index f10cd9a000..3fb0fa8ca7 100644 --- a/vm_callinfo.h +++ b/vm_callinfo.h @@ -385,6 +385,7 @@ vm_cc_attr_index_dest_shape_id(const struct rb_callcache *cc) static inline void vm_cc_atomic_shape_and_index(const struct rb_callcache *cc, shape_id_t * shape_id, attr_index_t * index) { + VM_ASSERT(vm_cc_markable(cc)); uintptr_t cache_value = cc->aux_.attr.value; // Atomically read 64 bits *shape_id = (shape_id_t)(cache_value >> SHAPE_FLAG_SHIFT); *index = (attr_index_t)(cache_value & SHAPE_FLAG_MASK) - 1; |