Add a test which would previously often cause make to crash when run

with malloc.conf J/Junk.  This problem was fixed by espie in
targequiv.c rev 1.6.  Crash found with the afl fuzzer.

2 files changed, 8 insertions, 2 deletions

diff --git a/regress/usr.bin/make/Makefile b/regress/usr.bin/make/Makefile
index 30868a75b16..28899e0b278 100644
--- a/regress/usr.bin/make/Makefile
+++ b/regress/usr.bin/make/Makefile
@@ -1,11 +1,11 @@
-# $OpenBSD: Makefile,v 1.36 2014/09/17 02:20:07 lteo Exp $
+# $OpenBSD: Makefile,v 1.37 2014/12/07 15:02:27 jsg Exp $
 
 # We don't pass t7, t13, t14, t17, t19, t20 t21 t26
 # and t16 yields piss poor performance
 REGRESS_TARGETS=t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 t11 t12 \
 	t13 t14 t15 t16 t17 t18 t19 t20 t21 t22 t23 t24 \
 	t25 t26 t27 t28 t29 t30 t31 t32 t33 t34 t35 t36 \
-	t37 t38 t38j t39
+	t37 t38 t38j t39 t40
 
 MALLOC_OPTIONS?=AJ
 t1: t1.out
@@ -162,6 +162,9 @@ t38j:
 t39:
 	cd ${.CURDIR} && env -i PATH=${PATH} MALLOC_OPTIONS=${MALLOC_OPTIONS} ${MAKE} -r -f mk35 2>&1 | diff - t39.out
 
+t40:
+	cd ${.CURDIR} && env -i PATH=${PATH} MALLOC_OPTIONS=${MALLOC_OPTIONS} ${MAKE} -r -f mk36 2>/dev/null
+
 t1.out:
 	echo MACHINE_ARCH=${MACHINE_ARCH} >$@
 
diff --git a/regress/usr.bin/make/mk36 b/regress/usr.bin/make/mk36
new file mode 100644
index 00000000000..7a9de391f21
--- /dev/null
+++ b/regress/usr.bin/make/mk36
@@ -0,0 +1,3 @@
+# $OpenBSD: mk36,v 1.1 2014/12/07 15:02:27 jsg Exp $
+# used to cause a crash with malloc 'J', fixed in targequiv.c rev 1.6
+! /