Remove RCLASS(obj)->ptr when RVARGC is enabled

With RVARGC we always store the rb_classext_t in the same slot as the
RClass struct that refers to it. So we don't need to store the pointer
or access through the pointer anymore and can switch the RCLASS_EXT
macro to use an offset

1 files changed, 1 insertions, 3 deletions

diff --git a/class.c b/class.c
index f5090d7f0f..01939f5008 100644
--- a/class.c
+++ b/class.c
@@ -177,9 +177,7 @@ class_alloc(VALUE flags, VALUE klass)
 
     RVARGC_NEWOBJ_OF(obj, struct RClass, klass, (flags & T_MASK) | FL_PROMOTED1 /* start from age == 2 */ | (RGENGC_WB_PROTECTED_CLASS ? FL_WB_PROTECTED : 0), alloc_size);
 
-#if USE_RVARGC
-    obj->ptr = (rb_classext_t *)((char *)obj + sizeof(struct RClass));
-#else
+#if !USE_RVARGC
     obj->ptr = ZALLOC(rb_classext_t);
 #endif