From a6d0a21af2f963ee804ebb60a63a82d7db7a6e31 Mon Sep 17 00:00:00 2001
From: Taylor R Campbell <campbell@mumble.net>
Date: Sun, 2 Dec 2018 01:00:20 +0000
Subject: [PATCH] Tickled a bug in connectivity analysis with arity error.

---
 tests/check.scm                      |  1 +
 tests/compiler/test-fgopt-conect.scm | 46 ++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+)
 create mode 100644 tests/compiler/test-fgopt-conect.scm

diff --git a/tests/check.scm b/tests/check.scm
index ba10de521..cf7fba7ca 100644
--- a/tests/check.scm
+++ b/tests/check.scm
@@ -40,6 +40,7 @@ USA.
 
 (define known-tests
   '(
+    "compiler/test-fgopt-conect"
     "compiler/test-varname"
     "microcode/test-chacha"
     ;++ Kludge to run the flonum cast tests interpreted and compiled --
diff --git a/tests/compiler/test-fgopt-conect.scm b/tests/compiler/test-fgopt-conect.scm
new file mode 100644
index 000000000..64681b7b9
--- /dev/null
+++ b/tests/compiler/test-fgopt-conect.scm
@@ -0,0 +1,46 @@
+#| -*-Scheme-*-
+
+Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
+    1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+    2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
+    2017, 2018 Massachusetts Institute of Technology
+
+This file is part of MIT/GNU Scheme.
+
+MIT/GNU Scheme is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or (at
+your option) any later version.
+
+MIT/GNU Scheme is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with MIT/GNU Scheme; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301,
+USA.
+
+|#
+
+;;;; Tests for connectivity analysis
+
+(declare (usual-integrations))
+
+(define loser-env
+  (the-environment))
+
+(define-test 'wna
+  (lambda ()
+    (let ((procedure
+           (eval '(lambda (z f)
+                    (let loop () (loop z (f))))
+                 loser-env)))
+      (expect-error
+       (lambda ()
+         (call-with-current-continuation
+           (lambda (escape)
+             ((muffle-warnings (lambda () (compile-procedure procedure)))
+              0
+              (lambda () (escape 'ok))))))))))
\ No newline at end of file
-- 
2.25.1