Revert this until we can figure out WB issues or remove shapes from GC

Revert "* expand tabs. [ci skip]"

This reverts commit 830b5b5c351c5c6efa5ad461ae4ec5085e5f0275.

Revert "This commit implements the Object Shapes technique in CRuby."

This reverts commit 9ddfd2ca004d1952be79cf1b84c52c79a55978f4.

1 files changed, 1 insertions, 10 deletions

diff --git a/vm_core.h b/vm_core.h
index b4768be136..e11838a59a 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -99,7 +99,6 @@ extern int ruby_assert_critical_section_entered;
 #include "ruby/st.h"
 #include "ruby_atomic.h"
 #include "vm_opts.h"
-#include "shape.h"
 
 #include "ruby/thread_native.h"
 
@@ -273,9 +272,7 @@ struct iseq_inline_constant_cache {
 };
 
 struct iseq_inline_iv_cache_entry {
-    shape_id_t source_shape_id;
-    shape_id_t dest_shape_id;
-    attr_index_t attr_index;
+    struct rb_iv_index_tbl_entry *entry;
 };
 
 struct iseq_inline_cvar_cache_entry {
@@ -690,12 +687,6 @@ typedef struct rb_vm_struct {
     VALUE mark_object_ary;
     const VALUE special_exceptions[ruby_special_error_count];
 
-    /* object shapes */
-    rb_shape_t **shape_list;
-    rb_shape_t *root_shape;
-    rb_shape_t *frozen_root_shape;
-    shape_id_t max_shape_count;
-
     /* load */
     VALUE top_self;
     VALUE load_path;