Revert "Add direct marking on iseq operands"

This reverts commit r62706.

It causes SEGV on i686-linux (debian) and armv7l-linux-eabihf:
http://www.rubyist.net/~akr/chkbuild/debian/ruby-trunk/log/20180309T204300Z.diff.html.gz
http://rubyci.s3.amazonaws.com/scw-9d6766/ruby-trunk/log/20180309T211706Z.diff.html.gz

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62775 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 6 deletions

diff --git a/vm_core.h b/vm_core.h
index 24ecc9be54..4e7eaed199 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -411,11 +411,7 @@ struct rb_iseq_constant_body {
 				      */
     struct rb_call_cache *cc_entries; /* size is ci_size = ci_kw_size */
 
-    struct {
-      rb_num_t flip_count;
-      VALUE coverage;
-      VALUE original_iseq;
-    } variable;
+    VALUE mark_ary;     /* Array: includes operands which should be GC marked */
 
     unsigned int local_table_size;
     unsigned int is_size;
@@ -1014,7 +1010,6 @@ enum vm_svar_index {
 
 /* inline cache */
 typedef struct iseq_inline_cache_entry *IC;
-typedef union iseq_inline_storage_entry *ISE;
 typedef struct rb_call_info *CALL_INFO;
 typedef struct rb_call_cache *CALL_CACHE;