foo: {};
]])
+[cp ]$1[ expout]
AT_BISON_CHECK([$3 $1], $5, [], [$4])
+AT_CHECK([[cat $1]], [[0]], [expout])
AT_CLEANUP
])
])
AT_CHECK_CONFLICTING_OUTPUT([foo.y], [], [-o foo.y],
-[foo.y: fatal error: refusing to overwrite the input file `foo.y'
+[foo.y: refusing to overwrite the input file `foo.y'
], 1)