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diff --git a/devel/bmake/files/unit-tests/suffixes.mk b/devel/bmake/files/unit-tests/suffixes.mk
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+++ b/devel/bmake/files/unit-tests/suffixes.mk
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+# $NetBSD: suffixes.mk,v 1.1.1.1 2015/05/19 21:36:45 joerg Exp $
+
+# Issues from PR 49086
+
+# Issue 3: single suffix rules remain active after .SUFFIXES is cleared
+#
+# There's a rule for issue3.a, but .a is no longer a known suffix when
+# targets are being made, so issue3 should not get made.
+all: issue3
+
+# Issue 4: suffix rules do not become regular rules when .SUFFIXES is cleared
+#
+# When the rules were encountered, .a and .b were known suffices, but later
+# on they were forgotten.  These should get created as regular targets.
+all: .a .a.b .b.a
+
+# Issue 5: adding more suffixes does not make existing rules into suffix rules
+#
+# When the targets .c.d, .d.c, .d, .d.e, and .e.d were encountered, only .a,
+# .b and .c were known suffixes, so all of them were regular rules.  Later
+# rest of the suffixes were made known, so they should all be suffix
+# transformation rules.
+all: issue5a.d issue5b.c issue5c issue5d.e issue5e.d
+
+# Issue 6: transformation search can end up in an infinite loop
+#
+# There is no file or target from which issue6.f could be made from so
+# this should fail.  The bug was that because rules .e.f, .d.e and .e.d
+# exist, make would try to make .f from .e and then infinitely try
+# to do .e from .d and vice versa.
+all: issue6.f
+
+# Issue 10: explicit dependencies affect transformation rule selection
+#
+# If issue10.e is wanted and both issue10.d and issue10.f are available,
+# make should choose the .d.e rule, because .d is before .f in .SUFFIXES.
+# The bug was that if issue10.d had an explicit dependency on issue10.f,
+# it would choose .f.e instead.
+all: issue10.e
+
+# Issue 11: sources from transformation rules are expanded incorrectly
+#
+# issue11.j should depend on issue11.i and issue11.second and issue11.i
+# should depend on issue11.h and issue11.first.  The bug was that
+# the dynamic sources were expanded before ${.PREFIX} and ${.TARGET} were
+# available, so they would have expanded to a null string.
+all: issue11.j
+
+# we need to clean for repeatable results
+.BEGIN: clean
+clean:
+	@rm -f issue* .[ab]*
+
+.SUFFIXES: .a .b .c
+
+.a .a.b .b.a:
+	@echo 'There should be no text after the colon: ${.IMPSRC}'
+	touch ${.TARGET}
+
+.c.d .d.c .d .d.e .e.d:
+	@echo 'first set'
+	cp ${.IMPSRC} ${.TARGET}
+
+.SUFFIXES:
+.SUFFIXES: .c .d .e .f .g
+
+.e .e.f .f.e:
+	@echo 'second set'
+	cp ${.IMPSRC} ${.TARGET}
+
+issue3.a:
+	@echo 'There is a bug if you see this.'
+	touch ${.TARGET}
+
+issue5a.c issue5b.d issue5c.d issue5d.d issue5e.e issue10.d issue10.f:
+	touch ${.TARGET}
+
+.SUFFIXES: .h .i .j
+
+.h.i: ${.PREFIX}.first
+	@echo '.ALLSRC: ${.ALLSRC}'
+	cp ${.IMPSRC} ${.TARGET}
+
+.i.j: ${.PREFIX}.second
+	@echo '.ALLSRC: ${.ALLSRC}'
+	cp ${.IMPSRC} ${.TARGET}
+
+issue11.h issue11.first issue11.second:
+	touch ${.TARGET}