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From: "rguenther at suse dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/64798] [5 regression] g++.old-deja/g++.eh/badalloc1.C FAILs
Date: Mon, 26 Jan 2015 15:00:00 -0000 [thread overview]
Message-ID: <bug-64798-4-rEpHivjPSu@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-64798-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
--- Comment #1 from rguenther at suse dot de <rguenther at suse dot de> ---
On Mon, 26 Jan 2015, ro at gcc dot gnu.org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64798
>
> Bug ID: 64798
> Summary: [5 regression] g++.old-deja/g++.eh/badalloc1.C FAILs
> Product: gcc
> Version: 5.0
> Status: UNCONFIRMED
> Severity: normal
> Priority: P3
> Component: libstdc++
> Assignee: unassigned at gcc dot gnu.org
> Reporter: ro at gcc dot gnu.org
> CC: rguenth at gcc dot gnu.org
> Host: sparc*-sun-solaris2.*
> Target: sparc*-sun-solaris2.*
> Build: sparc*-sun-solaris2.*
>
> Between 20150116 (r219745) and 20150123 (r220039),
> g++.old-deja/g++.eh/badalloc1.C
> started to FAIL on 32-bit Solaris/SPARC:
>
> FAIL: g++.old-deja/g++.eh/badalloc1.C -std=c++11 execution test
> FAIL: g++.old-deja/g++.eh/badalloc1.C -std=c++14 execution test
> FAIL: g++.old-deja/g++.eh/badalloc1.C -std=c++98 execution test
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 1 (LWP 1)]
> __cxxabiv1::__cxa_throw (obj=0x2195c <arena+92>,
> tinfo=0x73908 <typeinfo for int>, dest=0x0)
> at /vol/gcc/src/hg/trunk/local/libstdc++-v3/libsupc++/eh_throw.cc:76
> 76
> __GXX_INIT_PRIMARY_EXCEPTION_CLASS(header->exc.unwindHeader.exception_class);
> 1: x/i $pc
> => 0xff220314 <__cxxabiv1::__cxa_throw(void*, std::type_info*, void
> (*)(void*))+96>: sttw %g2, [ %i0 + -24 ]
> (gdb) where
> #0 __cxxabiv1::__cxa_throw (obj=0x2195c <arena+92>,
> tinfo=0x73908 <typeinfo for int>, dest=0x0)
> at /vol/gcc/src/hg/trunk/local/libstdc++-v3/libsupc++/eh_throw.cc:76
> #1 0x00011114 in fn_throw ()
> at
> /vol/gcc/src/hg/trunk/local/gcc/testsuite/g++.old-deja/g++.eh/badalloc1.C:98
> #2 0x000112f8 in main ()
> at
> /vol/gcc/src/hg/trunk/local/gcc/testsuite/g++.old-deja/g++.eh/badalloc1.C:129
> (gdb) p $i0-24
> $3 = 137540
>
> The SEGV happens because the sttw target needs to be 8-byte aligned, but is
> not.
Does malloc return 8-byte aligned memory? Is __alignof__
struct free_entry {
std::size_t size;
free_entry *next;
};
less than 8?
Thanks,
Richard.
next prev parent reply other threads:[~2015-01-26 15:00 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-26 13:52 [Bug libstdc++/64798] New: " ro at gcc dot gnu.org
2015-01-26 13:53 ` [Bug libstdc++/64798] " ro at gcc dot gnu.org
2015-01-26 15:00 ` rguenther at suse dot de [this message]
2015-01-26 15:02 ` rguenther at suse dot de
2015-01-26 15:23 ` rguenth at gcc dot gnu.org
2015-01-26 15:45 ` ro at CeBiTec dot Uni-Bielefeld.DE
2015-01-27 10:58 ` rguenth at gcc dot gnu.org
2015-01-27 12:10 ` jakub at gcc dot gnu.org
2015-01-27 12:16 ` ro at CeBiTec dot Uni-Bielefeld.DE
2015-01-27 12:27 ` rguenther at suse dot de
2015-01-27 12:31 ` rguenth at gcc dot gnu.org
2015-01-27 12:33 ` jakub at gcc dot gnu.org
2015-01-27 12:38 ` rguenther at suse dot de
2015-01-27 12:40 ` rguenth at gcc dot gnu.org
2015-01-27 12:42 ` jakub at gcc dot gnu.org
2015-01-27 12:51 ` rguenther at suse dot de
2015-01-27 12:52 ` jakub at gcc dot gnu.org
2015-01-28 9:54 ` rguenth at gcc dot gnu.org
2015-01-28 10:01 ` rguenth at gcc dot gnu.org
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