fix inline method cache sync bug

`cd` is passed to method call functions to method invocation
functions, but `cd` can be manipulated by other ractors simultaneously
so it contains thread-safety issue.

To solve this issue, this patch stores `ci` and found `cc` to `calling`
and stops to pass `cd`.

1 files changed, 2 insertions, 0 deletions

diff --git a/vm_core.h b/vm_core.h
index 117671bcf1..8540f8d1de 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -238,6 +238,8 @@ union iseq_inline_storage_entry {
 };
 
 struct rb_calling_info {
+    const struct rb_callinfo *ci;
+    const struct rb_callcache *cc;
     VALUE block_handler;
     VALUE recv;
     int argc;