Date: Fri, 22 Nov 2019 13:32:46 -0800 From: Mark Millard <marklmi@yahoo.com> To: FreeBSD Current <freebsd-current@freebsd.org>, "erj@freebsd.org " <erj@FreeBSD.org> Cc: "lwhsu@freebsd.org" <lwhsu@FreeBSD.org> Subject: head r354975 and/or later broke ci.freebsd.org's FreeBSD-head-amd64-gcc builds in tests/sys/sys/bitstring_test.c 's atfu_bit_ffs_area_body Message-ID: <4F765E6D-0444-41D0-B739-8965B4CDC3BF@yahoo.com> References: <4F765E6D-0444-41D0-B739-8965B4CDC3BF.ref@yahoo.com>
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#12250 (of r355014) gots the likes of:
20:48:53=20
--- all_subdir_tests/sys/sys ---
20:48:53=20
/workspace/src/tests/sys/sys/bitstring_test.c: In function =
'atfu_bit_ffc_area_body':
20:48:53=20
/workspace/src/sys/sys/bitstring.h:205:5: error: assuming signed =
overflow does not occur when assuming that (X + c) < X is always false =
[-Werror=3Dstrict-overflow]
20:48:53=20
if (_start >=3D _nbits) {
20:48:53=20
^
(I'll not list all the similar errors.)
The first breakage (later changed by lwhsu) was for #12238 (of r354977)
and was different:
21:21:52=20
--- all_subdir_tests/sys/sys ---
21:21:52=20
/workspace/src/tests/sys/sys/bitstring_test.c: In function =
'atfu_bit_ffs_area_body':
21:21:52=20
/workspace/src/tests/sys/sys/bitstring_test.c:350:2: error: =
variable-sized object may not be initialized
21:21:52=20
bitstr_t bit_decl(bitstr, nbits) =3D {};
21:21:52=20
^~~~~~~~
21:21:52=20
/workspace/src/tests/sys/sys/bitstring_test.c: In function =
'atfu_bit_ffc_area_body':
21:21:52=20
/workspace/src/tests/sys/sys/bitstring_test.c:419:2: error: =
variable-sized object may not be initialized
21:21:52=20
bitstr_t bit_decl(bitstr, nbits) =3D {};
21:21:52=20
^~~~~~~~
21:21:52=20
*** [bitstring_test.o] Error code 1
But, as of when I looked, none of the FreeBSD-head-amd64-gcc build =
attempts have
completed since then.
=3D=3D=3D
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)
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