From 8ca32020b03a4f3e69c8f0b15e015eb7ad5d8e05 Mon Sep 17 00:00:00 2001
From: Samuel Williams <samuel.williams@oriontransfer.co.nz>
Date: Fri, 19 Jul 2019 11:32:40 +1200
Subject: [PATCH] Revert "Ensure cfp is initialized to NULL."

This reverts commit d7fdf45a4ae1bcb6fac30a24b025d4f20149ba0a.
---
 cont.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/cont.c b/cont.c
index 984733db6e..c0be42bffc 100644
--- a/cont.c
+++ b/cont.c
@@ -845,8 +845,6 @@ cont_mark(void *ptr)
     RUBY_MARK_ENTER("cont");
     rb_gc_mark_no_pin(cont->value);
 
-    // Don't try to scan the vm_stack unless it's initialized.
-    // @sa cont_init, fiber_prepare_stack
     if (cont->saved_ec.cfp) {
         rb_execution_context_mark(&cont->saved_ec);
     }
@@ -1085,10 +1083,6 @@ cont_init(rb_context_t *cont, rb_thread_t *th)
 {
     /* save thread context */
     cont_save_thread(cont, th);
-
-    // cfp is not valid until stack is initialized.
-    cont->saved_ec.cfp = NULL;
-
     cont->saved_ec.thread_ptr = th;
     cont->saved_ec.local_storage = NULL;
     cont->saved_ec.local_storage_recursive_hash = Qnil;