From d1d48cb690fdad855da94b2a2d11721428bc06ba Mon Sep 17 00:00:00 2001
From: Jeremy Evans <code@jeremyevans.net>
Date: Fri, 1 Apr 2022 07:22:49 -0700
Subject: Revert "Raise RuntimeError if Kernel#binding is called from a
 non-Ruby frame"

This reverts commit 343ea9967e4a6b279eed6bd8e81ad0bdc747f254.

This causes an assertion failure with -DRUBY_DEBUG=1 -DRGENGC_CHECK_MODE=2
---
 vm.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

(limited to 'vm.c')

diff --git a/vm.c b/vm.c
index 8bfebcccef..2e014dcadd 100644
--- a/vm.c
+++ b/vm.c
@@ -1233,12 +1233,15 @@ rb_vm_make_binding(const rb_execution_context_t *ec, const rb_control_frame_t *s
     if (cfp == 0 || ruby_level_cfp == 0) {
 	rb_raise(rb_eRuntimeError, "Can't create Binding Object on top of Fiber.");
     }
-    if (!VM_FRAME_RUBYFRAME_P(src_cfp) &&
-        !VM_FRAME_RUBYFRAME_P(RUBY_VM_PREVIOUS_CONTROL_FRAME(src_cfp))) {
-        rb_raise(rb_eRuntimeError, "Cannot create Binding object for non-Ruby caller");
+
+    while (1) {
+	envval = vm_make_env_object(ec, cfp);
+	if (cfp == ruby_level_cfp) {
+	    break;
+	}
+	cfp = rb_vm_get_binding_creatable_next_cfp(ec, RUBY_VM_PREVIOUS_CONTROL_FRAME(cfp));
     }
 
-    envval = vm_make_env_object(ec, cfp);
     bindval = rb_binding_alloc(rb_cBinding);
     GetBindingPtr(bindval, bind);
     vm_bind_update_env(bindval, bind, envval);
-- 
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