Remove root_jmpbuf in rb_thread_struct

It has not been used since 1b82c877dfa72e8505ded149fd0e3ba956529d3f.

1 files changed, 0 insertions, 1 deletions

diff --git a/vm_core.h b/vm_core.h
index 8ec03d7ec2..5db3080b43 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -1023,7 +1023,6 @@ typedef struct rb_thread_struct {
 
     /* fiber */
     rb_fiber_t *root_fiber;
-    rb_jmpbuf_t root_jmpbuf;
 
     VALUE scheduler;
     unsigned blocking;