From de3e931df7abdc3ee22dbb7543e86af6d00ee899 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8D=9C=E9=83=A8=E6=98=8C=E5=B9=B3?=
 <shyouhei@ruby-lang.org>
Date: Wed, 24 Jun 2020 16:23:59 +0900
Subject: add UNREACHABLE_RETURN

Not every compilers understand that rb_raise does not return.  When a
function does not end with a return statement, such compilers can issue
warnings.  We would better tell them about reachabilities.
---
 signal.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'signal.c')

diff --git a/signal.c b/signal.c
index d479ca90dc..daf0123d4f 100644
--- a/signal.c
+++ b/signal.c
@@ -274,6 +274,7 @@ signm2signo(VALUE *sig_ptr, int negative, int exit, int *prefix_ptr)
     }
     rb_raise(rb_eArgError, "unsupported signal `%.*s%"PRIsVALUE"'",
              prefix, signame_prefix, vsig);
+    UNREACHABLE_RETURN(0);
 }
 
 static const char*
-- 
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