https://git.ruby-lang.org/ruby.git/commit/?id=3591703b31

From 3591703b31658f8e97eb0677e2261e6e7551307b Mon Sep 17 00:00:00 2001
From: Koichi Sasada <ko1@a...>
Date: Mon, 1 Jun 2020 10:13:28 +0900
Subject: send SEGV to show backtrace.

send SEGV to terminate the remaining process before sending
ABRT and KILL to show the backtrace.

diff --git a/tool/lib/envutil.rb b/tool/lib/envutil.rb
index 0dd86df..c6692d90 100644
--- a/tool/lib/envutil.rb
+++ b/tool/lib/envutil.rb
@@ -79,7 +79,7 @@ module EnvUtil https://github.com/ruby/ruby/blob/trunk/tool/lib/envutil.rb#L79
       DEFAULT_SIGNALS[sig.to_s] or
         DEFAULT_SIGNALS[Signal.signame(sig)] rescue false
     end
-    signals |= [:ABRT, :KILL]
+    signals |= [:SEGV, :ABRT, :KILL]
     case pgroup
     when 0, true
       pgroup = -pid
-- 
cgit v0.10.2


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