[Bug rtl-optimization/58365] [4.7/4.8/4.9 Regression] likely wrong code bug

2013-09-10 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58365 Jakub Jelinek changed: What|Removed |Added Assignee|mkuvyrkov at gcc dot gnu.org |jakub at gcc dot gnu.org --- Comme

[Bug rtl-optimization/58365] [4.7/4.8/4.9 Regression] likely wrong code bug

2013-09-10 Thread mkuvyrkov at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58365 --- Comment #6 from Maxim Kuvyrkov --- (In reply to Jakub Jelinek from comment #5) > That is actually the crossjumping pass after csa (jump2; though yes, > previously it has been part of csa). In any case, I don't see anything > wrong with the cr

[Bug ipa/58371] [4.9 Regression] internal compiler error: in ipcp_verify_propagated_values, at ipa-cp.c:892

2013-09-10 Thread mpolacek at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58371 Marek Polacek changed: What|Removed |Added Target Milestone|--- |4.9.0

[Bug ipa/58371] [4.9 Regression] internal compiler error: in ipcp_verify_propagated_values, at ipa-cp.c:892

2013-09-10 Thread mpolacek at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58371 Marek Polacek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug ipa/58371] [4.9 Regression] internal compiler error: in ipcp_verify_propagated_values, at ipa-cp.c:892

2013-09-10 Thread mpolacek at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58371 Marek Polacek changed: What|Removed |Added CC||hubicka at gcc dot gnu.org --- Comment #2

[Bug rtl-optimization/58365] [4.7/4.8/4.9 Regression] likely wrong code bug

2013-09-10 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58365 --- Comment #8 from Jakub Jelinek --- Created attachment 30781 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30781&action=edit gcc49-pr58365.patch Untested fix.

[Bug tree-optimization/58373] [4.9 Regression] g++: internal compiler error: Segmentation fault (program cc1plus)

2013-09-10 Thread markus at trippelsdorf dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58373 Markus Trippelsdorf changed: What|Removed |Added CC||law at gcc dot gnu.org --- Comment

[Bug rtl-optimization/51447] [4.7 Regression] global register variable definition incorrectly removed as dead code

2013-09-10 Thread matthijs at stdin dot nl
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51447 Matthijs Kooijman changed: What|Removed |Added CC||matthijs at stdin dot nl --- Comment

[Bug c/58346] ICE with SIGFPE at -O1 and above on x86_64-linux-gnu (affecting trunk, 4.8, 4.7, and 4.6)

2013-09-10 Thread rguenther at suse dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58346 --- Comment #6 from rguenther at suse dot de --- On Mon, 9 Sep 2013, joseph at codesourcery dot com wrote: > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58346 > > --- Comment #5 from joseph at codesourcery dot com dot com> --- > I think some of

[Bug rtl-optimization/51447] [4.7 Regression] global register variable definition incorrectly removed as dead code

2013-09-10 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51447 --- Comment #20 from Jakub Jelinek --- (In reply to Matthijs Kooijman from comment #19) > Regarding the bug description that says "4.7 regression", I have also > observed this bug on avr-gcc 4.3.3, so it's not a regression introduced in > 4.7. Th

[Bug middle-end/57748] [4.7/4.8/4.9 Regression] ICE when expanding assignment to unaligned zero-sized array

2013-09-10 Thread bernd.edlinger at hotmail dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57748 --- Comment #36 from Bernd Edlinger --- Created attachment 30782 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30782&action=edit Next try for a fix OK, I removed the misalign code path completely, and found a one-line fix for read side too.

[Bug rtl-optimization/58369] [4.8/4.9 regression] ICE in subreg_get_info when compiling boost for m68k-linux

2013-09-10 Thread mikpe at it dot uu.se
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58369 --- Comment #1 from Mikael Pettersson --- Created attachment 30783 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30783&action=edit smaller test case, from C-reduce

[Bug libstdc++/58376] New: regex_iterator::operator== and operator!= not const

2013-09-10 Thread kai.un...@l-3com.com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58376 Bug ID: 58376 Summary: regex_iterator::operator== and operator!= not const Product: gcc Version: 4.6.3 Status: UNCONFIRMED Severity: normal Priority: P3 Component

[Bug target/58330] powerpc64 atomic store split in two

2013-09-10 Thread amodra at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58330 --- Comment #4 from Alan Modra --- Author: amodra Date: Tue Sep 10 08:38:57 2013 New Revision: 202428 URL: http://gcc.gnu.org/viewcvs?rev=202428&root=gcc&view=rev Log: PR target/58330 oops, missed from commit Added: trunk/gcc/testsuite/gcc.

[Bug target/58375] internal compiler error: in push_reload, at reload.c:1360

2013-09-10 Thread gjl at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58375 Georg-Johann Lay changed: What|Removed |Added Keywords||ice-on-valid-code Target|A

[Bug libstdc++/58376] regex_iterator::operator== and operator!= not const

2013-09-10 Thread paolo.carlini at oracle dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58376 Paolo Carlini changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/58373] [4.9 Regression] g++: internal compiler error: Segmentation fault (program cc1plus)

2013-09-10 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58373 Richard Biener changed: What|Removed |Added Target Milestone|--- |4.9.0 --- Comment #2 from Richard Biener

[Bug c++/58372] internal compiler error: ix86_compute_frame_layout

2013-09-10 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58372 Richard Biener changed: What|Removed |Added Target||mingw32-sjlj --- Comment #2 from Richard

[Bug c++/58377] New: spurious "may be unused" warning with -Og

2013-09-10 Thread rbd at debian dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58377 Bug ID: 58377 Summary: spurious "may be unused" warning with -Og Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug tree-optimization/58373] [4.9 Regression] g++: internal compiler error: Segmentation fault (program cc1plus)

2013-09-10 Thread markus at trippelsdorf dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58373 --- Comment #3 from Markus Trippelsdorf --- (In reply to Richard Biener from comment #2) > Looks like cc1plus being miscompiled - does it reproduce with stage1 cc1plus? Yes. It reproduces with --disable-bootstrap builds using 4.7.3 or 4.8.1.

[Bug libstdc++/54314] [4.8 Regression] undefined references to 'construction vtable for std::ostream-in-std::basic_ostringstream, std::allocator >'

2013-09-10 Thread pluto at agmk dot net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54314 Pawel Sikora changed: What|Removed |Added CC||pluto at agmk dot net --- Comment #39 from

[Bug libgomp/58378] New: Protect libgomp against child process hanging after a Unix fork()

2013-09-10 Thread olivier.grisel at ensta dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58378 Bug ID: 58378 Summary: Protect libgomp against child process hanging after a Unix fork() Product: gcc Version: 4.8.1 Status: UNCONFIRMED Severity: normal

[Bug libgomp/58378] Protect libgomp against child process hanging after a Unix fork()

2013-09-10 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58378 --- Comment #1 from Jakub Jelinek --- The PR52303 comment about what you are trying to do being invalid of course applies here too, and the patch isn't anything close to non-invasive, it is just wrong, because it will break valid OpenMP programs.

[Bug c++/58377] spurious "may be unused" warning with -Og

2013-09-10 Thread paolo.carlini at oracle dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58377 --- Comment #1 from Paolo Carlini --- I can't reproduce this issue with stock FSF GCCs. In any case, it doesn't look like a C++ front-end issue, I would recommend preparing an equivalent pure C program for the convenience of middle-end people (cha

[Bug preprocessor/58370] pre compiled headers failure on NetBSD/sparc64

2013-09-10 Thread martin at netbsd dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58370 --- Comment #4 from Martin Husemann --- To avoid confusion, I'm splitting this into two separate reports - will dig further into the crash myself, since it is probably not easy to reproduce on other host platforms.

[Bug target/56412] [4.8] "libtool: cygpath: command not found" for mingw32 host

2013-09-10 Thread ktietz at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56412 Kai Tietz changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug libgomp/58378] Protect libgomp against child process hanging after a Unix fork()

2013-09-10 Thread olivier.grisel at ensta dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58378 --- Comment #2 from Olivier Grisel --- What kind of breakage does this introduce? It's a real question, I am not an experienced OpenMP developer. Do you see any solution that would prevent libgomp-based programs such as mentioned in [1] to not ha

[Bug preprocessor/58379] New: default mmap based implementation (mmap_gt_pch_get_address/mmap_gt_pch_use_address) is useless

2013-09-10 Thread martin at netbsd dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58379 Bug ID: 58379 Summary: default mmap based implementation (mmap_gt_pch_get_address/mmap_gt_pch_use_address) is useless Product: gcc Version: 4.8.1 Statu

[Bug c++/58380] New: ice in fold_comparison

2013-09-10 Thread dcb314 at hotmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 Bug ID: 58380 Summary: ice in fold_comparison Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: una

[Bug target/57848] internal compiler error on builtin and '#pragma GCC target()' option

2013-09-10 Thread ktietz at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57848 Kai Tietz changed: What|Removed |Added CC||whitequill at abstractions dot me --- Commen

[Bug libgcc/58061] internal compiler error

2013-09-10 Thread ktietz at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58061 Kai Tietz changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug c++/57897] Target x86_64-w64-mingw32 failed with '-mno-fentry isn't compatible with SEH'

2013-09-10 Thread ktietz at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57897 --- Comment #3 from Kai Tietz --- Hmm, what I don't get is why there is a warning about -mno-fentry. So I would assume there is something else broken. Nevertheless this reminds me about pr/57848. This issue seems to be in general no mingw speci

[Bug libgomp/58378] Protect libgomp against child process hanging after a Unix fork()

2013-09-10 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58378 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/54412] Request for 32-byte stack alignment with -mavx on Windows

2013-09-10 Thread ktietz at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54412 Kai Tietz changed: What|Removed |Added CC||ktietz at gcc dot gnu.org --- Comment #1 from

[Bug c++/58377] spurious "may be unused" warning with -Og

2013-09-10 Thread rbd at debian dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58377 --- Comment #2 from Roland Dreier --- arg, I really apologize. I copied and pasted from the wrong window and ended up with a test case that does NOT reproduce the issue, even on my system. Here is one I triple checked does fail (and everything i

[Bug rtl-optimization/38614] ICE at simplify-rtx.c:4956

2013-09-10 Thread ktietz at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38614 Kai Tietz changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug target/52061] compiler internal error in extract_insn

2013-09-10 Thread ktietz at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52061 Kai Tietz changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug lto/49922] I try to build libgmp using PGO and lto, but the test will result in "internal compiler error"

2013-09-10 Thread ktietz at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49922 Kai Tietz changed: What|Removed |Added Status|WAITING |RESOLVED CC|

[Bug c++/58380] ice in fold_comparison

2013-09-10 Thread mpolacek at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 Marek Polacek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/58377] spurious "may be unused" warning with -Og

2013-09-10 Thread rbd at debian dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58377 --- Comment #3 from Roland Dreier --- Even simpler test case for me: $ cat x.cpp // gcc -Og -Wall -Werror -c x.cpp int pop (); int pop_first_bucket; int my_pop () { int out; while (pop_first_bucket) if (pop_first_bucket && (ou

[Bug target/53485] gcc -O -mavx generates illegal instruction on win64

2013-09-10 Thread ktietz at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53485 Kai Tietz changed: What|Removed |Added CC||ktietz at gcc dot gnu.org --- Comment #2 from

[Bug target/47596] internal compiler error: in print_reg, at config/i386/i386.c:10894

2013-09-10 Thread ktietz at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47596 Kai Tietz changed: What|Removed |Added Status|REOPENED|RESOLVED Resolution|---

[Bug libgomp/58378] Protect libgomp against child process hanging after a Unix fork()

2013-09-10 Thread olivier.grisel at ensta dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58378 --- Comment #4 from Olivier Grisel --- Thanks for the explanation. Would you consider a solution that would preserve the state of the parent process and would just reset the thread pool data on the child? Otherwise we will have to consider that t

[Bug preprocessor/58381] New: crash in diagnostic_report_current_module when a fatal_error happens during PCH processing on NetBSD/spa64rc

2013-09-10 Thread martin at netbsd dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58381 Bug ID: 58381 Summary: crash in diagnostic_report_current_module when a fatal_error happens during PCH processing on NetBSD/spa64rc Product: gcc Version: 4.8.1

[Bug libgomp/58378] Protect libgomp against child process hanging after a Unix fork()

2013-09-10 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58378 --- Comment #5 from Jakub Jelinek --- Having a pthread_atfork child hook that would do freeing of memory, or pthread_mutex_init etc. would only make invalid any OpenMP program using fork, even those that use it correctly.

[Bug boehm-gc/52217] [boehm-gc] revision 184100 causes segmentation fault in mingw32

2013-09-10 Thread ktietz at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52217 Kai Tietz changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug libgomp/58378] Protect libgomp against child process hanging after a Unix fork()

2013-09-10 Thread olivier.grisel at ensta dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58378 --- Comment #6 from Olivier Grisel --- Alright thanks again. For reference I just discovered that the issue has recently been fixed in Python 3.4 by adding a new `forkserver` option to multiprocessing. http://bugs.python.org/issue8713

[Bug target/55543] diamond shaped inheritance involving strings leads to crashing executables (MinGW, 32 bit)

2013-09-10 Thread ktietz at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55543 Kai Tietz changed: What|Removed |Added Status|NEW |WAITING --- Comment #6 from Kai Tietz --- I

[Bug target/57495] Compiling mingw targets with -mcmodel=large causes assert

2013-09-10 Thread ktietz at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57495 Kai Tietz changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/55491] Segmentation fault

2013-09-10 Thread ktietz at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55491 Kai Tietz changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug preprocessor/58379] default mmap based implementation (mmap_gt_pch_get_address/mmap_gt_pch_use_address) is useless

2013-09-10 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58379 --- Comment #1 from Richard Biener --- Well, it doesn't _rely_ on it - it basically makes systems where that is the case work out of the box (every system pre address-space-randomization area). If you have a system that randomizes then you have t

[Bug c++/58377] spurious "may be unused" warning with -Og

2013-09-10 Thread paolo.carlini at oracle dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58377 --- Comment #4 from Paolo Carlini --- This one works for me but only with 4.8.x, not with mainline, and -Og didn't exist in 4.7.x, thus it would not qualify as a regression, I'm afraid.

[Bug rtl-optimization/58365] [4.7/4.8/4.9 Regression] likely wrong code bug

2013-09-10 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58365 --- Comment #9 from Jakub Jelinek --- Author: jakub Date: Tue Sep 10 11:47:19 2013 New Revision: 202434 URL: http://gcc.gnu.org/viewcvs?rev=202434&root=gcc&view=rev Log: PR rtl-optimization/58365 * cfgcleanup.c (merge_memattrs): Also clea

[Bug rtl-optimization/58365] [4.7/4.8/4.9 Regression] likely wrong code bug

2013-09-10 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58365 --- Comment #10 from Jakub Jelinek --- Author: jakub Date: Tue Sep 10 11:48:30 2013 New Revision: 202435 URL: http://gcc.gnu.org/viewcvs?rev=202435&root=gcc&view=rev Log: PR rtl-optimization/58365 * cfgcleanup.c (merge_memattrs): Also cle

[Bug rtl-optimization/58365] [4.7 Regression] likely wrong code bug

2013-09-10 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58365 Jakub Jelinek changed: What|Removed |Added Summary|[4.7/4.8/4.9 Regression]|[4.7 Regression] likely

[Bug c++/58377] spurious "may be unused" warning with -Og

2013-09-10 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58377 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Known to work|

[Bug middle-end/58382] New: [4.9 Regression] unwind.inc:136:1: ICE: in trunc_int_for_mode, at explow.c:55

2013-09-10 Thread danglin at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58382 Bug ID: 58382 Summary: [4.9 Regression] unwind.inc:136:1: ICE: in trunc_int_for_mode, at explow.c:55 Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: no

[Bug tree-optimization/58343] [4.9 Regression] ICE in dfs_enumerate_from, at cfganal.c:1036

2013-09-10 Thread law at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58343 --- Comment #4 from Jeffrey A. Law --- Author: law Date: Tue Sep 10 12:29:58 2013 New Revision: 202441 URL: http://gcc.gnu.org/viewcvs?rev=202441&root=gcc&view=rev Log: PR tree-optimization/58343 * tree-ssa-threadupdate.c (thread_block):

[Bug tree-optimization/58343] [4.9 Regression] ICE in dfs_enumerate_from, at cfganal.c:1036

2013-09-10 Thread law at redhat dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58343 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug libstdc++/58358] [4.7/4.8/4.9 Regression] search_n has a Complexity violation for random access iterator

2013-09-10 Thread paolo.carlini at oracle dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58358 Paolo Carlini changed: What|Removed |Added CC||paolo.carlini at oracle dot com --- Comme

[Bug c++/58380] [4.9 Regression] ice in fold_comparison

2013-09-10 Thread mpolacek at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 Marek Polacek changed: What|Removed |Added CC||law at gcc dot gnu.org --- Comment #2 fro

[Bug tree-optimization/58343] [4.9 Regression] ICE in dfs_enumerate_from, at cfganal.c:1036

2013-09-10 Thread markus at trippelsdorf dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58343 Markus Trippelsdorf changed: What|Removed |Added CC||markus at trippelsdorf dot de --- C

[Bug tree-optimization/58373] [4.9 Regression] g++: internal compiler error: Segmentation fault (program cc1plus)

2013-09-10 Thread markus at trippelsdorf dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58373 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/58373] [4.9 Regression] g++: internal compiler error: Segmentation fault (program cc1plus)

2013-09-10 Thread law at redhat dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58373 Jeffrey A. Law changed: What|Removed |Added CC||law at redhat dot com --- Comment #5 fro

[Bug rtl-optimization/58369] [4.8/4.9 regression] ICE in subreg_get_info when compiling boost for m68k-linux

2013-09-10 Thread mikpe at it dot uu.se
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58369 --- Comment #2 from Mikael Pettersson --- Created attachment 30787 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30787&action=edit hand-reduced test case This is as small as I can get it without losing the ICE.

[Bug rtl-optimization/58383] New: ICE when RTL folds vector operations using constants after gne_int_mode changes

2013-09-10 Thread jgreenhalgh at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58383 Bug ID: 58383 Summary: ICE when RTL folds vector operations using constants after gne_int_mode changes Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity:

[Bug preprocessor/58379] default mmap based implementation (mmap_gt_pch_get_address/mmap_gt_pch_use_address) is useless

2013-09-10 Thread martin at netbsd dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58379 --- Comment #2 from Martin Husemann --- (In reply to Richard Biener from comment #1) > If you have a system that randomizes then you have to re-define the hook. Besides ASLR there are various things out of control of the compiler that do result i

[Bug rtl-optimization/58383] ICE when RTL folds vector operations using constants after gne_int_mode changes

2013-09-10 Thread jgreenhalgh at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58383 jgreenhalgh at gcc dot gnu.org changed: What|Removed |Added CC||jgreenhalgh at gcc dot gnu

[Bug libstdc++/58358] [4.7/4.8/4.9 Regression] search_n has a Complexity violation for random access iterator

2013-09-10 Thread chris at bubblescope dot net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58358 --- Comment #19 from Chris Jefferson --- (In reply to Mitsuru Kariya from comment #15) > Created attachment 30775 [details] > Patch > > For your convenience, I attached a patch for this problem. > > This algorithm is always scanned to reverse or

[Bug tree-optimization/58364] [4.8/4.9 Regression] likely wrong code bug

2013-09-10 Thread ebotcazou at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58364 Eric Botcazou changed: What|Removed |Added CC||ebotcazou at gcc dot gnu.org --- Comment

[Bug libstdc++/58358] [4.7/4.8/4.9 Regression] search_n has a Complexity violation for random access iterator

2013-09-10 Thread paolo.carlini at oracle dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58358 Paolo Carlini changed: What|Removed |Added Severity|minor |normal --- Comment #20 from Paolo Carlini

[Bug libstdc++/58358] [4.7/4.8/4.9 Regression] search_n has a Complexity violation for random access iterator

2013-09-10 Thread paolo.carlini at oracle dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58358 --- Comment #21 from Paolo Carlini --- Sorry. Take my 1sec and 3.5secs, as, say, 4.5secs and 20secs. You see may point.

[Bug tree-optimization/58380] [4.9 Regression] ice in fold_comparison

2013-09-10 Thread law at redhat dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 Jeffrey A. Law changed: What|Removed |Added CC||law at redhat dot com --- Comment #3 fro

[Bug middle-end/58382] [4.9 Regression] unwind.inc:136:1: ICE: in trunc_int_for_mode, at explow.c:55

2013-09-10 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58382 Richard Biener changed: What|Removed |Added CC||rsandifo at gcc dot gnu.org Target Mil

[Bug tree-optimization/58380] [4.9 Regression] ice in fold_comparison

2013-09-10 Thread mpolacek at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 --- Comment #4 from Marek Polacek --- Thanks, the .ii file is huge and after an ~hour of reducing the creduce is still at original file...

[Bug tree-optimization/58380] [4.9 Regression] ice in fold_comparison

2013-09-10 Thread markus at trippelsdorf dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 Markus Trippelsdorf changed: What|Removed |Added CC||markus at trippelsdorf dot de --- C

[Bug target/44107] gcc emits frame (epilogue) info incompatible with the darwin {8,9}-unwinder,10-compacter

2013-09-10 Thread howarth at nitro dot med.uc.edu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44107 --- Comment #24 from Jack Howarth --- (In reply to David Fang from comment #22) > Do one of these apple libunwind sources (0.30, 0.35.1) correspond to what's > bundled in libgcc_s in darwin8,9,10? > > http://opensource.apple.com/tarballs/libunwin

[Bug tree-optimization/58380] [4.9 Regression] ice in fold_comparison

2013-09-10 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 --- Comment #6 from Richard Biener --- The symptom hints at a released SSA name being looked at. That happens if cfgcleanup looks at a dead code region (we especially run TODO_cleanup_cfg before TODO_update_ssa to allow passes to be forgiving wit

[Bug libstdc++/58358] [4.7/4.8/4.9 Regression] search_n has a Complexity violation for random access iterator

2013-09-10 Thread chris at bubblescope dot net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58358 --- Comment #22 from Chris Jefferson --- Her are some comparisons. Just to compare, I also checked doing away with skipping optimisations altogether. Binary sizes (-O3, stripped) current head: 11928 my code: 12248 Mitsuru: 11384 No ski

[Bug tree-optimization/58380] [4.9 Regression] ice in fold_comparison

2013-09-10 Thread law at redhat dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 --- Comment #7 from Jeffrey A. Law --- 202296 doesn't change anything WRT sequencing of operations; it merely allows the threader to dive a bit deeper into the CFG to determine a final target for a jump threading opportunity. Presumably David boo

[Bug preprocessor/58381] crash in diagnostic_report_current_module when a fatal_error happens during PCH processing on NetBSD/spa64rc

2013-09-10 Thread martin at netbsd dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58381 --- Comment #2 from Martin Husemann --- Created attachment 30790 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30790&action=edit Restore line_table and input_location before calling fatal_error when failing a pch load With this patch, the f

[Bug libstdc++/54314] [4.8 Regression] undefined references to 'construction vtable for std::ostream-in-std::basic_ostringstream, std::allocator >'

2013-09-10 Thread pluto at agmk dot net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54314 --- Comment #40 from Pawel Sikora --- $ grep ZTv0 * gnu.ver:_ZTv0_n12_NS*; gnu.ver:_ZTv0_n24_NS*; gnu-versioned-namespace.ver:_ZTv0_n24_NS*; versioned namespace doesn't provide *n12* for i686.

[Bug middle-end/58335] S/390: reload vs lra regression - testcase builtin-in-setjmp

2013-09-10 Thread vmakarov at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58335 Vladimir Makarov changed: What|Removed |Added CC||vmakarov at gcc dot gnu.org --- Commen

gcc cc1 seg fault on large file with many function calls

2013-09-10 Thread rpalermo
I have a generated C code file that contains a very large number of function calls, all with similar function names (ie ff1, ff2, ff3, ..., ff50). It compiles using gcc versions 3.4.6 and 4.1.2. But using version 4.4.7, it gets gcc: Internal error: Segmentation fault (program cc1) The co

[Bug preprocessor/58381] crash in diagnostic_report_current_module when a fatal_error happens during PCH processing on NetBSD/spa64rc

2013-09-10 Thread martin at netbsd dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58381 --- Comment #1 from Martin Husemann --- The global pointer "line_table" is changed to the contents of the precompiled header file in gt_pch_restore in this loop: /* Read in all the global pointers, in 6 easy loops. */ for (rt = gt_ggc_rtab;

[Bug middle-end/58382] [4.9 Regression] unwind.inc:136:1: ICE: in trunc_int_for_mode, at explow.c:55

2013-09-10 Thread danglin at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58382 --- Comment #1 from John David Anglin --- Breakpoint 1, trunc_int_for_mode (c=8, mode=DFmode) at ../../gcc/gcc/explow.c:55 55gcc_assert (SCALAR_INT_MODE_P (mode)); (gdb) bt #0 trunc_int_for_mode (c=8, mode=DFmode) at ../../gcc/gcc/exp

[Bug libstdc++/58358] [4.7/4.8/4.9 Regression] search_n has a Complexity violation for random access iterator

2013-09-10 Thread paolo.carlini at oracle dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58358 --- Comment #23 from Paolo Carlini --- Thanks a lot Chris. Sorry if I bother you for a few minutes more: when you say "doing away with skipping optimizations altogether", you mean, essentially, using the algorithm we have got now for forward itera

[Bug rtl-optimization/58384] New: [4.9 regression] Runfail on spec2000/253.perlbmk if lto and pre-reload scheduler is used on x86 after r200133.

2013-09-10 Thread ysrumyan at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58384 Bug ID: 58384 Summary: [4.9 regression] Runfail on spec2000/253.perlbmk if lto and pre-reload scheduler is used on x86 after r200133. Product: gcc Version: 4.9.0

[Bug target/58361] Wrong floating point code generated for ARM target

2013-09-10 Thread rearnsha at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58361 --- Comment #2 from Richard Earnshaw --- Author: rearnsha Date: Tue Sep 10 16:46:55 2013 New Revision: 202475 URL: http://gcc.gnu.org/viewcvs?rev=202475&root=gcc&view=rev Log: PR target/58361 * arm/vfp.md (combine_vcvt_f32_): Fix pattern

[Bug rtl-optimization/58384] [4.9 regression] Runfail on spec2000/253.perlbmk if lto and pre-reload scheduler is used on x86 after r200133.

2013-09-10 Thread ysrumyan at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58384 --- Comment #1 from Yuri Rumyantsev --- Created attachment 30791 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30791&action=edit test-case to reproduce This is compile only test which must be compiled with pre-reload scheduler, i.e. with '-

[Bug c++/58377] spurious "may be used uninitialized" warning with -Og

2013-09-10 Thread davidxl at google dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58377 davidxl at google dot com changed: What|Removed |Added CC||davidxl at google dot com ---

[Bug target/58361] Wrong floating point code generated for ARM target

2013-09-10 Thread rearnsha at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58361 --- Comment #4 from Richard Earnshaw --- Author: rearnsha Date: Tue Sep 10 16:55:44 2013 New Revision: 202477 URL: http://gcc.gnu.org/viewcvs?rev=202477&root=gcc&view=rev Log: PR target/58361 * arm/vfp.md (combine_vcvt_f32_): Fix pattern

[Bug rtl-optimization/58369] [4.8/4.9 regression] ICE in subreg_get_info when compiling boost for m68k-linux

2013-09-10 Thread mikpe at it dot uu.se
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58369 --- Comment #3 from Mikael Pettersson --- The ICE occurs because reload is asking for a DFmode (8-byte) subreg of an XFmode (12-byte) hardreg, but 12 % 8 != 0 so the gcc_assert fails.

[Bug tree-optimization/58380] [4.9 Regression] ice in fold_comparison

2013-09-10 Thread dcb314 at hotmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 --- Comment #9 from David Binderman --- (In reply to Jeffrey A. Law from comment #7) > Presumably David bootstrapped the trunk, then built k3d? Yes, the bootstrap ran fine with the usual -g -O2 on BOOT_CFLAGS. > If this failure occurs in a sta

[Bug target/58375] internal compiler error: in push_reload, at reload.c:1360

2013-09-10 Thread gjl at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58375 --- Comment #3 from Georg-Johann Lay --- Created attachment 30792 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30792&action=edit Channel.cpp C++ source Confirmed with this source, looks like a register allocator issue. $ avr-g++ Channel.c

[Bug target/54412] Request for 32-byte stack alignment with -mavx on Windows

2013-09-10 Thread rcopley at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54412 --- Comment #2 from R Copley --- Created attachment 30793 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30793&action=edit As before, but with explicitly 32-byte aligned variables

[Bug other/58375] [4.8 Regression] internal compiler error: in push_reload, at reload.c:1360

2013-09-10 Thread gjl at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58375 Georg-Johann Lay changed: What|Removed |Added Keywords||ra Status|WAITING

[Bug tree-optimization/58380] [4.9 Regression] ice in fold_comparison

2013-09-10 Thread law at redhat dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58380 --- Comment #8 from Jeffrey A. Law --- This looks like slightly different variant of 58343 where we thread through a loop header when we really didn't want to. I haven't tracked it through to the ICE, but from looking at the CFG and the registere

[Bug other/58374] Wrong target check in configure.ac in libvtv

2013-09-10 Thread hjl at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58374 --- Comment #1 from hjl at gcc dot gnu.org --- Author: hjl Date: Tue Sep 10 16:00:13 2013 New Revision: 202470 URL: http://gcc.gnu.org/viewcvs?rev=202470&root=gcc&view=rev Log: Move VTV_SUPPORTED check after AC_CANONICAL_SYSTEM PR other/5837

[Bug middle-end/57393] [4.9 Regression] error: definition in block 4 follows the use / internal compiler error: verify_ssa failed

2013-09-10 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57393 --- Comment #35 from Jakub Jelinek --- The #c34 testcase seems to fail starting r199048 till current HEAD.

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