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-rw-r--r--ujit_compile.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/ujit_compile.c b/ujit_compile.c
index 923eb85e19..2520932ad1 100644
--- a/ujit_compile.c
+++ b/ujit_compile.c
@@ -636,6 +636,9 @@ gen_getinstancevariable(codeblock_t* cb, codeblock_t* ocb, ctx_t* ctx)
}
// If the class uses the default allocator, instances should all be T_OBJECT
+ // NOTE: This assumes nobody changes the allocator of the class after allocation.
+ // Eventually, we can encode whether an object is T_OBJECT or not
+ // inside object shapes.
if (rb_get_alloc_func(ic->entry->class_value) != rb_class_allocate_instance)
{
return false;