From 960c82e396135ad3e6c5b2ef1e809319f95b9f82 Mon Sep 17 00:00:00 2001
From: dearblue <dearblue@users.osdn.me>
Date: Tue, 9 Jun 2020 21:54:13 +0900
Subject: Remove `mrb_assert()` in `Module.nesting`

The following code was causing SIGSEGV:

```ruby
Module.method(:nesting).call
```
---
 mrbgems/mruby-metaprog/src/metaprog.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mrbgems/mruby-metaprog/src/metaprog.c b/mrbgems/mruby-metaprog/src/metaprog.c
index 4334fe983..6c0dc5ad3 100644
--- a/mrbgems/mruby-metaprog/src/metaprog.c
+++ b/mrbgems/mruby-metaprog/src/metaprog.c
@@ -670,8 +670,7 @@ mrb_mod_s_nesting(mrb_state *mrb, mrb_value mod)
 
   ary = mrb_ary_new(mrb);
   proc = mrb->c->ci[-1].proc;   /* callee proc */
-  mrb_assert(!MRB_PROC_CFUNC_P(proc));
-  while (proc) {
+  while (proc && !MRB_PROC_CFUNC_P(proc)) {
     if (MRB_PROC_SCOPE_P(proc)) {
       struct RClass *c2 = MRB_PROC_TARGET_CLASS(proc);
 
-- 
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