On Sat, Dec 7, 2013 at 9:26 AM, H.J. Lu <hjl.to...@gmail.com> wrote:
> On Sat, Dec 7, 2013 at 9:09 AM, Jakub Jelinek <ja...@redhat.com> wrote:
>> On Sat, Dec 07, 2013 at 05:43:12PM +0100, Paolo Carlini wrote:
>>> On 12/07/2013 04:48 PM, H.J. Lu wrote:
>>> >I have been seeing 3 libstdc++ tests:
>>> >
>>> >FAIL: 17_intro/headers/c++200x/stdc+
>>> >+.cc (test for excess errors)
>>> >FAIL: 17_intro/headers/c++200x/stdc++_multiple_inclusion.cc (test for
>>> >excess errors)
>>
>> These two failed for me just once so far, in i686-linux build,
>
> I saw them quite often on both x86-64 and i686.
>
>> the errors were the same for both, perhaps related to PR58627?
>> Just a random guess, but until that PR is fixed, if the compiler is using
>> ggc_freed memory, really anything can happen.
>>
>> tree check: expected tree_list, have error_mark in dump_template_bindings,
>> at cp/error.c:274
>> _M_head(const _Head_base& __b) noexcept { return __b._M_head_impl; }
>> ^
>> 0x8bcc083 tree_check_failed(tree_node const*, char const*, int, char const*,
>> ...)
>> ../../gcc/tree.c:9190
>> 0x831d349 tree_check
>> ../../gcc/tree.h:2702
>> 0x831d349 dump_template_bindings
>> ../../gcc/cp/error.c:274
>> 0x831d349 dump_substitution
>> ../../gcc/cp/error.c:1386
>> 0x831e3fd dump_function_decl
>> ../../gcc/cp/error.c:1515
>> 0x8320c19 decl_to_string
>> ../../gcc/cp/error.c:2829
>> 0x8320c19 cp_printer
>> ../../gcc/cp/error.c:3430
>> 0x92c7c89 pp_format(pretty_printer*, text_info*)
>> ../../gcc/pretty-print.c:616
>> 0x92c840d pp_format_verbatim(pretty_printer*, text_info*)
>> ../../gcc/pretty-print.c:675
>> 0x92c8471 pp_verbatim(pretty_printer*, char const*, ...)
>> ../../gcc/pretty-print.c:871
>> 0x8311530 print_instantiation_full_context
>> ../../gcc/cp/error.c:3199
>> 0x8311530 maybe_print_instantiation_context
>> ../../gcc/cp/error.c:3343
>> 0x831f4eb cp_diagnostic_starter
>> ../../gcc/cp/error.c:3027
>> 0x92c5c0a diagnostic_report_diagnostic(diagnostic_context*, diagnostic_info*)
>> ../../gcc/diagnostic.c:791
>> 0x92c63c9 internal_error(char const*, ...)
>> ../../gcc/diagnostic.c:1129
>> 0x8bcc083 tree_check_failed(tree_node const*, char const*, int, char const*,
>> ...)
>> ../../gcc/tree.c:9190
>> 0x840928a tree_check
>> ../../gcc/tree.h:2702
>> 0x840928a decl_is_template_id
>> ../../gcc/cp/mangle.c:291
>> 0x840dba6 write_nested_name
>> ../../gcc/cp/mangle.c:949
>> 0x840e320 write_name
>> ../../gcc/cp/mangle.c:866
>
> I saw
>
> spawn -ignore SIGHUP
> /export/gnu/import/git/gcc-test-intel64/bld/./gcc/xg++ -shared-libgcc
> -B/export/gnu/import/git/gcc-test-intel64/bld/./gcc -nostdinc++
> -L/export/gnu/import/git/gcc-test-intel64/bld/x86_64-unknown-linux-gnu/libstdc++-v3/src
> -L/export/gnu/import/git/gcc-test-intel64/bld/x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs
> -L/export/gnu/import/git/gcc-test-intel64/bld/x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs
> -B/usr/4.9.0/x86_64-unknown-linux-gnu/bin/
> -B/usr/4.9.0/x86_64-unknown-linux-gnu/lib/ -isystem
> /usr/4.9.0/x86_64-unknown-linux-gnu/include -isystem
> /usr/4.9.0/x86_64-unknown-linux-gnu/sys-include
> -B/export/gnu/import/git/gcc-test-intel64/bld/x86_64-unknown-linux-gnu/./libstdc++-v3/src/.libs
> -fdiagnostics-color=never -D_GLIBCXX_ASSERT -fmessage-length=0
> -ffunction-sections -fdata-sections -g -O2 -D_GNU_SOURCE -g -O2
> -D_GNU_SOURCE -DLOCALEDIR="." -nostdinc++
> -I/export/gnu/import/git/gcc-test-intel64/bld/x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknown-linux-gnu
> -I/export/gnu/import/git/gcc-test-intel64/bld/x86_64-unknown-linux-gnu/libstdc++-v3/include
> -I/export/gnu/import/git/gcc-test-intel64/src-trunk/libstdc++-v3/libsupc++
> -I/export/gnu/import/git/gcc-test-intel64/src-trunk/libstdc++-v3/include/backward
> -I/export/gnu/import/git/gcc-test-intel64/src-trunk/libstdc++-v3/testsuite/util
> /export/gnu/import/git/gcc-test-intel64/src-trunk/libstdc++-v3/testsuite/17_intro/headers/c++200x/stdc++.cc
> -std=gnu++0x -S -o stdc++.s^M
> In file included from /usr/include/features.h:375:0,^M
> from /usr/include/assert.h:36,^M
> from
> /export/gnu/import/git/gcc-test-intel64/bld/x86_64-unknown-linux-gnu/libstdc++-v3/include/cassert:43,^M
> from
> /export/gnu/import/git/gcc-test-intel64/src-trunk/libstdc++-v3/include/precompiled/stdc++.h:33:^M
> /usr/include/complex.h:112:1: internal compiler error: Segmentation fault^M
> __END_DECLS^M
> ^^M
> 0xb47fcf crash_signal^M
> ../../src-trunk/gcc/toplev.c:336^M
> 0xd5bb3b decl_assembler_name(tree_node*)^M
> ../../src-trunk/gcc/tree.c:599^M
> 0x8ae23f dwarf2out_finish^M
> ../../src-trunk/gcc/dwarf2out.c:24005^M
> Please submit a full bug report,^M
> with preprocessed source if appropriate.^M
> Please include the complete backtrace with any bug report.^M
> See <http://gcc.gnu.org/bugs.html> for instructions.^M
>
> and
>
> spawn -ignore SIGHUP
> /export/gnu/import/git/gcc-test-intel64/bld/./gcc/xg++ -shared-libgcc
> -B/export/gnu/import/git/gcc-test-intel64/bld/./gcc -nostdinc++
> -L/export/gnu/import/git/gcc-test-intel64/bld/x86_64-unknown-linux-gnu/libstdc++-v3/src
> -L/export/gnu/import/git/gcc-test-intel64/bld/x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs
> -L/export/gnu/import/git/gcc-test-intel64/bld/x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs
> -B/usr/4.9.0/x86_64-unknown-linux-gnu/bin/
> -B/usr/4.9.0/x86_64-unknown-linux-gnu/lib/ -isystem
> /usr/4.9.0/x86_64-unknown-linux-gnu/include -isystem
> /usr/4.9.0/x86_64-unknown-linux-gnu/sys-include
> -B/export/gnu/import/git/gcc-test-intel64/bld/x86_64-unknown-linux-gnu/./libstdc++-v3/src/.libs
> -fdiagnostics-color=never -D_GLIBCXX_ASSERT -fmessage-length=0
> -ffunction-sections -fdata-sections -g -O2 -D_GNU_SOURCE -g -O2
> -D_GNU_SOURCE -DLOCALEDIR="." -nostdinc++
> -I/export/gnu/import/git/gcc-test-intel64/bld/x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknown-linux-gnu
> -I/export/gnu/import/git/gcc-test-intel64/bld/x86_64-unknown-linux-gnu/libstdc++-v3/include
> -I/export/gnu/import/git/gcc-test-intel64/src-trunk/libstdc++-v3/libsupc++
> -I/export/gnu/import/git/gcc-test-intel64/src-trunk/libstdc++-v3/include/backward
> -I/export/gnu/import/git/gcc-test-intel64/src-trunk/libstdc++-v3/testsuite/util
> /export/gnu/import/git/gcc-test-intel64/src-trunk/libstdc++-v3/testsuite/17_intro/headers/c++200x/stdc++_multiple_inclusion.cc
> -std=gnu++0x -S -o stdc++_multiple_inclusion.s^M
> In file included from /usr/include/features.h:375:0,^M
> from /usr/include/assert.h:36,^M
> from
> /export/gnu/import/git/gcc-test-intel64/bld/x86_64-unknown-linux-gnu/libstdc++-v3/include/cassert:43,^M
> from
> /export/gnu/import/git/gcc-test-intel64/src-trunk/libstdc++-v3/include/precompiled/stdc++.h:33:^M
> /usr/include/assert.h:84:1: internal compiler error: tree check:
> expected var_decl or field_decl or function_decl or type_decl or
> template_decl, have <invalid tree code> in mangle_decl, at
> cp/mangle.c:3487^M
> __END_DECLS^M
> ^^M
> 0xd599f4 tree_check_failed(tree_node const*, char const*, int, char
> const*, ...)^M
> ../../src-trunk/gcc/tree.c:9192^M
> 0x718910 tree_check5^M
> ../../src-trunk/gcc/tree.h:2798^M
> 0x718910 mangle_decl(tree_node*)^M
> ../../src-trunk/gcc/cp/mangle.c:3487^M
> 0xd5bb60 decl_assembler_name(tree_node*)^M
> ../../src-trunk/gcc/tree.c:600^M
> 0x8ae23f dwarf2out_finish^M
> ../../src-trunk/gcc/dwarf2out.c:24005^M
>
>>> >FAIL: 30_threads/async/async.cc execution test
>>
>> async.exe: /usr/src/gcc/libstdc++-v3/testsuite/30_threads/async/async.cc:66:
>> void test02(): Assertion `status == std::future_status::ready' failed.
>>
>> This one fails pretty frequently for me, 6 times out of last 12 i686-linux
>
> Same here.
>
>> bootstraps/regtests, starting with ~ Nov 21th bootstrap (but before that
>
> It started for me around revision 205144.
>
http://gcc.gnu.org/ml/gcc-cvs/2013-11/msg00869.html
changed 30_threads/async/async.cc.
--
H.J.
