From 38c9c5c627296dafe9d9b172f95fea990c47e758 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Thu, 8 Jul 2021 10:06:01 +0900
Subject: backtrace.c: skip C method without `mid` set.

That means it's a method not to be included in the backtrace, for
example `raise`.
---
 src/backtrace.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/backtrace.c')

diff --git a/src/backtrace.c b/src/backtrace.c
index 7ff1cea6c..65cb0da1c 100644
--- a/src/backtrace.c
+++ b/src/backtrace.c
@@ -45,6 +45,7 @@ each_backtrace(mrb_state *mrb, ptrdiff_t ciidx, each_backtrace_func func, void *
     ci = &mrb->c->cibase[i];
 
     if (!ci->proc || MRB_PROC_CFUNC_P(ci->proc)) {
+      if (!ci->mid) continue;
       loc.lineno = -1;
       idx = 0;
     }
-- 
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