Index: src/tests/Makefile.am
===================================================================
--- src/tests/Makefile.am	(revision 1feb535fb19cf9656f8f85cf2ef61a8985f3bf97)
+++ src/tests/Makefile.am	(revision 399a908cc97cdaad27d16bbf3d5672d0e4db6110)
@@ -110,4 +110,7 @@
 	${CC} ${AM_CFLAGS} ${CFLAGS} -DERR1 ${<} -o ${@}
 
+fallthrough-ERROR: fallthrough.c @CFA_BINDIR@/@CFA_NAME@
+	${CC} ${AM_CFLAGS} ${CFLAGS} -DERR1 ${<} -o ${@}
+
 # Constructor/destructor tests
 raii/dtor-early-exit-ERR1: raii/dtor-early-exit.c @CFA_BINDIR@/@CFA_NAME@