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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug testsuite/108973] [10/11/12 Regression] Sufficiently narrow
 terminal window causes selftest failure
Date: Sat, 04 Mar 2023 09:29:14 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: testsuite
X-Bugzilla-Version: 13.0
X-Bugzilla-Keywords: build, diagnostic, ice-on-valid-code,
 internal-improvement
X-Bugzilla-Severity: normal
X-Bugzilla-Who: jakub at gcc dot gnu.org
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: jakub at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 10.5
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108973

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[13 Regression]             |[10/11/12 Regression]
                   |Sufficiently narrow         |Sufficiently narrow
                   |terminal window causes      |terminal window causes
                   |selftest failure            |selftest failure
   Target Milestone|13.0                        |10.5

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Fixed on the trunk so far.  Just tried 10 branch and it ICEs in self-tests =
with
COLUMNS=3D41 as well:
$ ./xgcc -B ./ -v
Reading specs from ./specs
COLLECT_GCC=3D./xgcc
COLLECT_LTO_WRAPPER=3D./lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../configure --disable-bootstrap --enable-checking=3Dyes
--enable-languages=3Dc,c++,fortran : (reconfigured)=20
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 10.4.1 20220628 (GCC)=20
$ COLUMNS=3D41 ./xgcc -B./ -B/usr/local/x86_64-pc-linux-gnu/bin/ -isystem
/usr/local/x86_64-pc-linux-gnu/include -isystem
/usr/local/x86_64-pc-linux-gnu/sys-include -L/usr/src/gcc-10/obj/gcc/../ld =
-xc
-nostdinc /dev/null -S -o /dev/null -fself-test=3D../../gcc/testsuite/selft=
ests
../../gcc/diagnostic-show-locus.c:3949: test_add_location_if_nearby: FAIL:
ASSERT_STREQ (" struct same_line { double x; double y; ;\n" "=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20
~                    ^\n", pp_formatted_text (dc.printer)) val1=3D" struct
same_line { double x; double y; ;
                  ~                    ^
" val2=3D" truct same_line { double x; double y; ;
                 ~                    ^

"
cc1: internal compiler error: in fail_formatted, at selftest.c:63
0x21a3a86 diagnostic_impl
        ../../gcc/selftest.h:1309
0x21a541a internal_error(char const*, ...)
        ../../gcc/selftest.h:1711
0x21a5678 fancy_abort(char const*, int, char const*)
        ../../gcc/selftest.h:1778
0x219d50b selftest::fail_formatted(selftest::location const&, char const*, =
...)
        ../../gcc/selftest.h:63
0x219d5fa selftest::assert_streq(selftest::location const&, char const*, ch=
ar
const*, char const*, char const*)
        ../../gcc/selftest.h:92
0x21b2fb6 test_add_location_if_nearby
        ../../gcc/../libcpp/include/cpplib.h:3949
0x21dd17a selftest::for_each_line_table_case(void (*)(selftest::line_table_=
case
const&))
        ../../gcc/../libcpp/include/cpplib.h:3573
0x21b95ea selftest::diagnostic_show_locus_c_tests()
        ../../gcc/../libcpp/include/cpplib.h:5022
0x20d83f9 selftest::run_tests()
        ../../gcc/wide-int-bitmask.h:96
0x11ae133 toplev::run_self_tests()
        ../../gcc/flags.h:2351
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