Thanks for reporting that regression. I installed the attached patch.From 1684650184aea9ed51ded79680bb1b4fcb098f26 Mon Sep 17 00:00:00 2001
From: Paul Eggert
Date: Thu, 31 Mar 2022 22:29:05 -0700
Subject: [PATCH] =?UTF-8?q?Fix=20bug=20with=20AS=5FIF=20and=20=E2=80=98set?=
=?UTF-8?q?=20-e=E2=80=9
Hi,
This is with autoconf 2.71.
I use autom4te to create a script and discovered that the script exits
when the else clause in AS_IF is reached. It seems it's caused by the
combination that function as_fn_nop() is called in the else clause and
that I have 'set -e' earlier in the script.
I s