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* [Bug c/66345] New: internal compiler error: Segmentation fault -- raidctl.c 'do_meter'
@ 2015-05-30 17:30 drakain at gmail dot com
2015-05-30 17:33 ` [Bug c/66345] " drakain at gmail dot com
` (8 more replies)
0 siblings, 9 replies; 10+ messages in thread
From: drakain at gmail dot com @ 2015-05-30 17:30 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66345
Bug ID: 66345
Summary: internal compiler error: Segmentation fault --
raidctl.c 'do_meter'
Product: gcc
Version: 5.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: drakain at gmail dot com
Target Milestone: ---
When building rumpctrl https://github.com/rumpkernel/rumpctrl an internal
compiler error is encountered. Attached file shows output. My linux distro is
Arch Linux.vim
Project build steps:
1. Clone repo
2. ./buildnb.sh
$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-unknown-linux-gnu/5.1.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /build/gcc/src/gcc-5-20150519/configure --prefix=/usr
--libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man
--infodir=/usr/share/info --with-bugurl=https://bugs.archlinux.org/
--enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-shared
--enable-threads=posix --enable-libmpx --with-system-zlib --with-isl
--enable-__cxa_atexit --disable-libunwind-exceptions --enable-clocale=gnu
--disable-libstdcxx-pch --disable-libssp --enable-gnu-unique-object
--enable-linker-build-id --enable-lto --enable-plugin
--enable-install-libiberty --with-linker-hash-style=gnu
--enable-gnu-indirect-function --disable-multilib --disable-werror
--enable-checking=release --with-default-libstdcxx-abi=c++98
Thread model: posix
gcc version 5.1.0 (GCC)
Note: the build is successful with clang 3.6.1
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug c/66345] internal compiler error: Segmentation fault -- raidctl.c 'do_meter'
2015-05-30 17:30 [Bug c/66345] New: internal compiler error: Segmentation fault -- raidctl.c 'do_meter' drakain at gmail dot com
@ 2015-05-30 17:33 ` drakain at gmail dot com
2015-05-30 17:42 ` trippels at gcc dot gnu.org
` (7 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: drakain at gmail dot com @ 2015-05-30 17:33 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66345
--- Comment #1 from Brian Graham <drakain at gmail dot com> ---
Created attachment 35654
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35654&action=edit
Truncated build output.
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug c/66345] internal compiler error: Segmentation fault -- raidctl.c 'do_meter'
2015-05-30 17:30 [Bug c/66345] New: internal compiler error: Segmentation fault -- raidctl.c 'do_meter' drakain at gmail dot com
2015-05-30 17:33 ` [Bug c/66345] " drakain at gmail dot com
@ 2015-05-30 17:42 ` trippels at gcc dot gnu.org
2015-05-30 17:49 ` drakain at gmail dot com
` (6 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: trippels at gcc dot gnu.org @ 2015-05-30 17:42 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66345
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2015-05-30
CC| |trippels at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Please attach a preprocessed testcase as per http://gcc.gnu.org/bugs/.
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug c/66345] internal compiler error: Segmentation fault -- raidctl.c 'do_meter'
2015-05-30 17:30 [Bug c/66345] New: internal compiler error: Segmentation fault -- raidctl.c 'do_meter' drakain at gmail dot com
2015-05-30 17:33 ` [Bug c/66345] " drakain at gmail dot com
2015-05-30 17:42 ` trippels at gcc dot gnu.org
@ 2015-05-30 17:49 ` drakain at gmail dot com
2015-05-30 18:03 ` [Bug middle-end/66345] [5/6 Regression] internal compiler error: Segmentation fault trippels at gcc dot gnu.org
` (5 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: drakain at gmail dot com @ 2015-05-30 17:49 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66345
--- Comment #3 from Brian Graham <drakain at gmail dot com> ---
Created attachment 35655
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35655&action=edit
Preprocessed file
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/66345] [5/6 Regression] internal compiler error: Segmentation fault
2015-05-30 17:30 [Bug c/66345] New: internal compiler error: Segmentation fault -- raidctl.c 'do_meter' drakain at gmail dot com
` (2 preceding siblings ...)
2015-05-30 17:49 ` drakain at gmail dot com
@ 2015-05-30 18:03 ` trippels at gcc dot gnu.org
2015-05-31 0:56 ` hjl.tools at gmail dot com
` (4 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: trippels at gcc dot gnu.org @ 2015-05-30 18:03 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66345
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |NEW
Component|c |middle-end
Known to work| |4.8.4, 4.9.2
Summary|internal compiler error: |[5/6 Regression] internal
|Segmentation fault -- |compiler error:
|raidctl.c 'do_meter' |Segmentation fault
Known to fail| |5.0, 6.0
--- Comment #4 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
markus@x4 tmp % cat raidctl.i
extern int snprintf(char *, unsigned long, const char *, ...);
const char a[] = "";
int b;
void
get_bar () { snprintf (0, 0, "%s", &a[b]); }
markus@x4 tmp % gcc -c -O2 raidctl.i
raidctl.i: In function ‘get_bar’:
raidctl.i:5:1: internal compiler error: tree check: expected integer_cst, have
negate_expr in decompose, at tree.h:4929
get_bar () { snprintf (0, 0, "%s", &a[b]); }
^
0xd3447c tree_check_failed(tree_node const*, char const*, int, char const*,
...)
../../gcc/gcc/tree.c:9352
0x58db55 tree_check(tree_node const*, char const*, int, char const*, tree_code)
../../gcc/gcc/tree.h:3113
0x58db55 wi::int_traits<tree_node const*>::decompose(long*, unsigned int,
tree_node const*)
../../gcc/gcc/tree.h:4929
0xd39d2a wi::int_traits<tree_node const*>::decompose(long*, unsigned int,
tree_node const*)
../../gcc/gcc/tree.h:3060
0xd39d2a wide_int_ref_storage<false>::wide_int_ref_storage<tree_node
const*>(tree_node const* const&, unsigned int)
../../gcc/gcc/wide-int.h:957
0xd39d2a generic_wide_int<wide_int_ref_storage<false>
>::generic_wide_int<tree_node const*>(tree_node const* const&, unsigned int)
../../gcc/gcc/wide-int.h:733
0xd39d2a bool wi::eq_p<tree_node const*, int>(tree_node const* const&, int
const&)
../../gcc/gcc/wide-int.h:1715
0xd39d2a tree_int_cst_sgn(tree_node const*)
../../gcc/gcc/tree.c:7239
0xd3a95e compare_tree_int(tree_node const*, unsigned long)
../../gcc/gcc/tree.c:7448
0x85e27c gimple_fold_builtin_snprintf
../../gcc/gcc/gimple-fold.c:2543
0x85e27c gimple_fold_builtin
../../gcc/gcc/gimple-fold.c:2954
0x8604b0 gimple_fold_call
../../gcc/gcc/gimple-fold.c:3182
0x8604b0 fold_stmt_1
../../gcc/gcc/gimple-fold.c:3677
0xbf86b7 execute
../../gcc/gcc/tree-ssa-forwprop.c:2350
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
>From gcc-bugs-return-487632-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Sat May 30 18:56:19 2015
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From: "danglin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug gcov-profile/66319] [6 Regression] gcov-tool.c:84:65: error: invalid conversion from 'int (*)(const c har*, const stat*, int, FTW*)' to 'int (*)(const char*, const stat*, int, FTW)'
Date: Sat, 30 May 2015 18:56:00 -0000
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X-Bugzilla-Component: gcov-profile
X-Bugzilla-Version: 6.0
X-Bugzilla-Keywords: build
X-Bugzilla-Severity: normal
X-Bugzilla-Who: danglin at gcc dot gnu.org
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution:
X-Bugzilla-Priority: P3
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Message-ID: <bug-66319-4-dEPrTaPla9@http.gcc.gnu.org/bugzilla/>
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References: <bug-66319-4@http.gcc.gnu.org/bugzilla/>
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idf319
--- Comment #3 from John David Anglin <danglin at gcc dot gnu.org> ---
_HPUX_SOURCE is predefined for c++. This results in
_INCLUDE_XOPEN_SOURCE_EXTENDED being defined but _XOPEN_SOURCE_EXTENDED
is not predefined (see hunk in comment #1). This behavior dates back
to this patch:
https://gcc.gnu.org/ml/gcc-patches/2005-05/msg00589.html
The HP-UX "ftw.h" header appears to be inconsistent in its use of the two
defines, but I don't know the history.
It seems _XOPEN_SOURCE and _XOPEN_SOURCE_EXTENDED need to be predefined
when _HPUX_SOURCE is predefined for consistency with current standards.
This will happen with current hpux compilers as long as flag_iso is not
set, so I think gnu++98 will work.
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/66345] [5/6 Regression] internal compiler error: Segmentation fault
2015-05-30 17:30 [Bug c/66345] New: internal compiler error: Segmentation fault -- raidctl.c 'do_meter' drakain at gmail dot com
` (3 preceding siblings ...)
2015-05-30 18:03 ` [Bug middle-end/66345] [5/6 Regression] internal compiler error: Segmentation fault trippels at gcc dot gnu.org
@ 2015-05-31 0:56 ` hjl.tools at gmail dot com
2015-05-31 6:50 ` mpolacek at gcc dot gnu.org
` (3 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: hjl.tools at gmail dot com @ 2015-05-31 0:56 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66345
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rguenther at suse dot de
Target Milestone|--- |5.2
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
It was caused by r214574.
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/66345] [5/6 Regression] internal compiler error: Segmentation fault
2015-05-30 17:30 [Bug c/66345] New: internal compiler error: Segmentation fault -- raidctl.c 'do_meter' drakain at gmail dot com
` (4 preceding siblings ...)
2015-05-31 0:56 ` hjl.tools at gmail dot com
@ 2015-05-31 6:50 ` mpolacek at gcc dot gnu.org
2015-06-02 9:14 ` mpolacek at gcc dot gnu.org
` (2 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-05-31 6:50 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66345
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
CC| |mpolacek at gcc dot gnu.org
Assignee|unassigned at gcc dot gnu.org |mpolacek at gcc dot gnu.org
--- Comment #6 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Testing a fix.
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/66345] [5/6 Regression] internal compiler error: Segmentation fault
2015-05-30 17:30 [Bug c/66345] New: internal compiler error: Segmentation fault -- raidctl.c 'do_meter' drakain at gmail dot com
` (5 preceding siblings ...)
2015-05-31 6:50 ` mpolacek at gcc dot gnu.org
@ 2015-06-02 9:14 ` mpolacek at gcc dot gnu.org
2015-06-02 9:18 ` mpolacek at gcc dot gnu.org
2015-06-02 9:19 ` mpolacek at gcc dot gnu.org
8 siblings, 0 replies; 10+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-06-02 9:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66345
--- Comment #7 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Tue Jun 2 09:13:29 2015
New Revision: 224016
URL: https://gcc.gnu.org/viewcvs?rev=224016&root=gcc&view=rev
Log:
PR middle-end/66345
* gimple-fold.c (gimple_fold_builtin_snprintf): Return false if
get_maxval_strlen does not produce an INTEGER_CST.
* gcc.dg/torture/pr66345.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr66345.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/gimple-fold.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/66345] [5/6 Regression] internal compiler error: Segmentation fault
2015-05-30 17:30 [Bug c/66345] New: internal compiler error: Segmentation fault -- raidctl.c 'do_meter' drakain at gmail dot com
` (6 preceding siblings ...)
2015-06-02 9:14 ` mpolacek at gcc dot gnu.org
@ 2015-06-02 9:18 ` mpolacek at gcc dot gnu.org
2015-06-02 9:19 ` mpolacek at gcc dot gnu.org
8 siblings, 0 replies; 10+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-06-02 9:18 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66345
--- Comment #8 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Tue Jun 2 09:17:49 2015
New Revision: 224017
URL: https://gcc.gnu.org/viewcvs?rev=224017&root=gcc&view=rev
Log:
PR middle-end/66345
* gimple-fold.c (gimple_fold_builtin_snprintf): Return false if
get_maxval_strlen does not produce an INTEGER_CST.
* gcc.dg/torture/pr66345.c: New test.
Added:
branches/gcc-5-branch/gcc/testsuite/gcc.dg/torture/pr66345.c
Modified:
branches/gcc-5-branch/gcc/ChangeLog
branches/gcc-5-branch/gcc/gimple-fold.c
branches/gcc-5-branch/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug middle-end/66345] [5/6 Regression] internal compiler error: Segmentation fault
2015-05-30 17:30 [Bug c/66345] New: internal compiler error: Segmentation fault -- raidctl.c 'do_meter' drakain at gmail dot com
` (7 preceding siblings ...)
2015-06-02 9:18 ` mpolacek at gcc dot gnu.org
@ 2015-06-02 9:19 ` mpolacek at gcc dot gnu.org
8 siblings, 0 replies; 10+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-06-02 9:19 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66345
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #9 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 10+ messages in thread
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2015-05-30 17:30 [Bug c/66345] New: internal compiler error: Segmentation fault -- raidctl.c 'do_meter' drakain at gmail dot com
2015-05-30 17:33 ` [Bug c/66345] " drakain at gmail dot com
2015-05-30 17:42 ` trippels at gcc dot gnu.org
2015-05-30 17:49 ` drakain at gmail dot com
2015-05-30 18:03 ` [Bug middle-end/66345] [5/6 Regression] internal compiler error: Segmentation fault trippels at gcc dot gnu.org
2015-05-31 0:56 ` hjl.tools at gmail dot com
2015-05-31 6:50 ` mpolacek at gcc dot gnu.org
2015-06-02 9:14 ` mpolacek at gcc dot gnu.org
2015-06-02 9:18 ` mpolacek at gcc dot gnu.org
2015-06-02 9:19 ` mpolacek at gcc dot gnu.org
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