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* [Bug c/66903] New: The gcc 4.9.2 crashes when processing declarations such as: int (( ... (x) ... ))
@ 2015-07-17 7:34 speirofr at gmail dot com
2015-07-17 7:38 ` [Bug c/66903] " speirofr at gmail dot com
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: speirofr at gmail dot com @ 2015-07-17 7:34 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66903
Bug ID: 66903
Summary: The gcc 4.9.2 crashes when processing declarations
such as: int (( ... (x) ... ))
Product: gcc
Version: 4.9.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: speirofr at gmail dot com
Target Milestone: ---
The gcc 4.9.2 crashes when processing declarations such as: int (( ... (x) ...
)), with the number of parens > 4000000.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/66903] The gcc 4.9.2 crashes when processing declarations such as: int (( ... (x) ... ))
2015-07-17 7:34 [Bug c/66903] New: The gcc 4.9.2 crashes when processing declarations such as: int (( ... (x) ... )) speirofr at gmail dot com
@ 2015-07-17 7:38 ` speirofr at gmail dot com
2015-07-17 9:01 ` speirofr at gmail dot com
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: speirofr at gmail dot com @ 2015-07-17 7:38 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66903
--- Comment #1 from Salva Peiró <speirofr at gmail dot com> ---
Created attachment 36001
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36001&action=edit
parens.i: Preprocesed sourced with gcc -v -save-temps
>From gcc-bugs-return-492604-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Fri Jul 17 08:12:54 2015
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From: "doko at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug go/66904] New: cmd/go: "#cgo pkg-config:" comments do not work with gccgo
Date: Fri, 17 Jul 2015 08:12:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idf904
Bug ID: 66904
Summary: cmd/go: "#cgo pkg-config:" comments do not work with
gccgo
Product: gcc
Version: 5.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: go
Assignee: ian at airs dot com
Reporter: doko at gcc dot gnu.org
CC: cmang at google dot com
Target Milestone: ---
see https://github.com/golang/go/issues/11739
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/66903] The gcc 4.9.2 crashes when processing declarations such as: int (( ... (x) ... ))
2015-07-17 7:34 [Bug c/66903] New: The gcc 4.9.2 crashes when processing declarations such as: int (( ... (x) ... )) speirofr at gmail dot com
2015-07-17 7:38 ` [Bug c/66903] " speirofr at gmail dot com
@ 2015-07-17 9:01 ` speirofr at gmail dot com
2015-07-19 3:36 ` pinskia at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: speirofr at gmail dot com @ 2015-07-17 9:01 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66903
--- Comment #2 from Salva Peiró <speirofr at gmail dot com> ---
$ gcc parens.c
gcc: internal compiler error: Segmentation fault (program cc1)
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-4.9/README.Bugs> for instructions.
$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.9/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.9.2-10'
--with-bugurl=file:///usr/share/doc/gcc-4.9/README.Bugs
--enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.9 --enable-shared --enable-linker-build-id
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
--with-gxx-include-dir=/usr/include/c++/4.9 --libdir=/usr/lib --enable-nls
--with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug
--enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-vtable-verify
--enable-plugin --with-system-zlib --disable-browser-plugin
--enable-java-awt=gtk --enable-gtk-cairo
--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.9-amd64/jre --enable-java-home
--with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.9-amd64
--with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.9-amd64
--with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar
--enable-objc-gc --enable-multiarch --with-arch-32=i586 --with-abi=m64
--with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic
--enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu
--target=x86_64-linux-gnu
Thread model: posix
gcc version 4.9.2 (Debian 4.9.2-10)
>From gcc-bugs-return-492606-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Fri Jul 17 09:04:09 2015
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From: "miyuki at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/66901] Segmentation fault in compiler instead of error message for ill-formed program with namespace alias and qualified definition
Date: Fri, 17 Jul 2015 09:04:00 -0000
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Mikhail Maltsev <miyuki at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |ice-on-invalid-code
CC| |miyuki at gcc dot gnu.org
Known to fail| |6.0
--- Comment #1 from Mikhail Maltsev <miyuki at gcc dot gnu.org> ---
Reproduces on trunk. Possibly a dup of PR66878 (also caused by infinite
recursion in push_inner_scope_r).
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/66903] The gcc 4.9.2 crashes when processing declarations such as: int (( ... (x) ... ))
2015-07-17 7:34 [Bug c/66903] New: The gcc 4.9.2 crashes when processing declarations such as: int (( ... (x) ... )) speirofr at gmail dot com
2015-07-17 7:38 ` [Bug c/66903] " speirofr at gmail dot com
2015-07-17 9:01 ` speirofr at gmail dot com
@ 2015-07-19 3:36 ` pinskia at gcc dot gnu.org
2015-07-19 9:16 ` speirofr at gmail dot com
2015-07-21 11:08 ` mpolacek at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: pinskia at gcc dot gnu.org @ 2015-07-19 3:36 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66903
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
You are most likely overflowing the stack. That is the stack is growing and
hitting the stack size. The default stack size for Linux is 8MB, try using
"ulimit -s unlimited" before running gcc.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/66903] The gcc 4.9.2 crashes when processing declarations such as: int (( ... (x) ... ))
2015-07-17 7:34 [Bug c/66903] New: The gcc 4.9.2 crashes when processing declarations such as: int (( ... (x) ... )) speirofr at gmail dot com
` (2 preceding siblings ...)
2015-07-19 3:36 ` pinskia at gcc dot gnu.org
@ 2015-07-19 9:16 ` speirofr at gmail dot com
2015-07-21 11:08 ` mpolacek at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: speirofr at gmail dot com @ 2015-07-19 9:16 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66903
--- Comment #4 from Salva Peiró <speirofr at gmail dot com> ---
Confirmed, the cause of the crash is the parser
_cpp_lex_direct() consuming the default 8 MB Linux stack.
Indeed, ulimit -s shows the stack size limit is set to 8192 KB,
After recompiling with ulimit -s unlimited, the gcc compilation
succeeds without crashes.
Thanks for the explanation & the time to look at this,
PS: I raised the issue mainly because I was unsure of causes that lead to the
crash.
>From gcc-bugs-return-492771-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Sun Jul 19 11:42:57 2015
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From: "david.abdurachmanov at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/63304] Aarch64 pc-relative load offset out of range
Date: Sun, 19 Jul 2015 11:42:00 -0000
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--- Comment #14 from David Abdurachmanov <david.abdurachmanov at gmail dot com> ---
I hit another two cases of this.
1. g2root tool, which converts GEANT geometry to ROOT geometry. It create a
single function, which contains lots of descriptions of material, shapes, etc.
all describing some 3D objects and physical properties. These can be very huge.
Also could think of MILL computing as possible example. They use C++ as they
assembler (at least for simulation). Thus you have something like:
void somefunc(void) {
add(b0, b1);
add(b2, b3);
...
}
IIRC, by compiling it they generate a simulator to run this program on specific
CPU.
2. mcfm 6.3 package, to be precise: mcfm-6.3/src/WW/triangle11new.f
triangle11new.s: Assembler messages:
triangle11new.s:587: Error: pc-relative load offset out of range
triangle11new.s:592: Error: pc-relative load offset out of range
..
587 ldr x0, .LC2
588 fmov d0, x2
589 fmov d1, x0
590 fdiv d0, d0, d1
591 fmov x2, d0
592 ldr x0, .LC2
..
346645 .LC2:
346646 .word 0
346647 .word 1073741824
346648 .align 3
..
Distance between ldr instruction and .LC2 is 346058 assembly lines.
Here is the source file:
https://github.com/cms-externals/MCFM/blob/master/src/WW/triangle11new.f (just
1355 sloc).
It's those huge computations, which are killing it. Similar issue as in
OpenLoops package.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/66903] The gcc 4.9.2 crashes when processing declarations such as: int (( ... (x) ... ))
2015-07-17 7:34 [Bug c/66903] New: The gcc 4.9.2 crashes when processing declarations such as: int (( ... (x) ... )) speirofr at gmail dot com
` (3 preceding siblings ...)
2015-07-19 9:16 ` speirofr at gmail dot com
@ 2015-07-21 11:08 ` mpolacek at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-07-21 11:08 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66903
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |mpolacek at gcc dot gnu.org
Resolution|--- |WORKSFORME
--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
I think there's nothing to do for this PR.
^ permalink raw reply [flat|nested] 6+ messages in thread
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2015-07-17 7:34 [Bug c/66903] New: The gcc 4.9.2 crashes when processing declarations such as: int (( ... (x) ... )) speirofr at gmail dot com
2015-07-17 7:38 ` [Bug c/66903] " speirofr at gmail dot com
2015-07-17 9:01 ` speirofr at gmail dot com
2015-07-19 3:36 ` pinskia at gcc dot gnu.org
2015-07-19 9:16 ` speirofr at gmail dot com
2015-07-21 11:08 ` mpolacek at gcc dot gnu.org
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