[Bug c++/69549] New: Named Address Spaces does not compile in C++

2016-01-28 Thread thiago at kde dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69549 Bug ID: 69549 Summary: Named Address Spaces does not compile in C++ Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug c++/65143] [C++11] missing devirtualization for virtual base in "final" classes

2016-01-28 Thread balakrishnan.erode at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65143 Balakrishnan B changed: What|Removed |Added Version|4.9.2 |5.3.0 Known to fail|

[Bug middle-end/69545] [6 Regression] FAIL: gfortran.dg/graphite/pr42285.f90 -O (internal compiler error)

2016-01-28 Thread spop at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69545 Sebastian Pop changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/69548] New: libatomic fails to build with -Os on powerpc64-linux

2016-01-28 Thread amodra at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69548 Bug ID: 69548 Summary: libatomic fails to build with -Os on powerpc64-linux Product: gcc Version: 5.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Compone

[Bug rtl-optimization/69530] [6 Regression] ICE: SIGSEGV in ix86_split_long_move (i386.c:24353) with -fno-split-wide-types -mavx

2016-01-28 Thread hjl.tools at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69530 --- Comment #11 from H.J. Lu --- (In reply to H.J. Lu from comment #10) > Created attachment 37512 [details] > A new patch > > I am testing this now. No regressions on x86-64. I will leave it to Vladimir.

[Bug middle-end/69547] [6 regression] no-op array initializer emits an empty loop

2016-01-28 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69547 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug middle-end/69547] [6 regression] no-op array initializer emits an empty loop

2016-01-28 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69547 --- Comment #2 from Martin Sebor --- The problem first appeared with r222135.

[Bug middle-end/69547] [6 regression] no-op array initializer emits an empty loop

2016-01-28 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69547 Andrew Pinski changed: What|Removed |Added Keywords||missed-optimization Target Milestone|-

[Bug middle-end/69547] [6 regression] no-op array initializer emits an empty loop

2016-01-28 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69547 Martin Sebor changed: What|Removed |Added Known to work||5.3.0 Summary|no-op array init

[Bug middle-end/69547] New: no-op array initializer emits an empty loop

2016-01-28 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69547 Bug ID: 69547 Summary: no-op array initializer emits an empty loop Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-

[Bug middle-end/69546] [5/6 Regression] wrong code with -O and simple int128 arithmetics

2016-01-28 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69546 --- Comment #2 from Jakub Jelinek --- Will have a look.

[Bug middle-end/69546] [5/6 Regression] wrong code with -O and simple int128 arithmetics

2016-01-28 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69546 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug middle-end/69546] [5/6 Regression] wrong code with -O and simple int128 arithmetics

2016-01-28 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69546 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |6.0

[Bug target/69533] [6 Regression] python miscompilation

2016-01-28 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69533 Jeffrey A. Law changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug middle-end/69546] New: [5/6 Regression] wrong code with -O and simple int128 arithmetics

2016-01-28 Thread zsojka at seznam dot cz
x=/repo/gcc-trunk//binary-trunk-232939-checking-yes-rtl-df-nobootstrap-nographite Thread model: posix gcc version 6.0.0 20160128 (experimental) (GCC) $ gcc -O testcase.c $ ./a.out Aborted All tested __int128-capable targets are affected. (x86_64, powerpc64,

[Bug middle-end/69542] [6 Regression] -fcompare-debug failure in simplify-rtx.c on i?86 since r232905

2016-01-28 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69542 Jakub Jelinek changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug middle-end/69545] [6 Regression] FAIL: gfortran.dg/graphite/pr42285.f90 -O (internal compiler error)

2016-01-28 Thread spop at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69545 Sebastian Pop changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |spop at gcc dot gnu.org --- Comme

[Bug bootstrap/69506] [6 Regression] check-in 232454 seems to cause problems with cygwin builds

2016-01-28 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69506 --- Comment #4 from Jonathan Wakely --- OK thanks, I'll commit it tomorrow.

[Bug bootstrap/69506] [6 Regression] check-in 232454 seems to cause problems with cygwin builds

2016-01-28 Thread rogero at howzatt dot demon.co.uk
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69506 --- Comment #3 from Roger Orr --- Tested: bootstrap build on cygwin with your patch completed successfully. I used: ../gcctrunk/configure --enable-languages=c,c++ --prefix=/usr/share/gcc-trunk make -j5 make install Thank you :-)

[Bug c/28901] -Wunused-variable ignores unused const initialised variables

2016-01-28 Thread gang.chen.5i5j at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28901 --- Comment #22 from Chen Gang --- (In reply to Mark Wielaard from comment #21) [...] > Although in C a static const is not really like a #define I suspect that > there are cases where they are used as such in header files. If that is the > maj

[Bug pch/68176] [4.9/5 Regression] all pch tests fail on eglibc systems (with bits/predefs.h)

2016-01-28 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68176 Jakub Jelinek changed: What|Removed |Added Summary|[4.9/5/6 Regression] all|[4.9/5 Regression] all pch

[Bug pch/68176] [4.9/5/6 Regression] all pch tests fail on eglibc systems (with bits/predefs.h)

2016-01-28 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68176 --- Comment #12 from Jakub Jelinek --- Author: jakub Date: Thu Jan 28 22:35:20 2016 New Revision: 232956 URL: https://gcc.gnu.org/viewcvs?rev=232956&root=gcc&view=rev Log: PR pch/68176 * files.c (_cpp_find_file): Set file->implic

[Bug fortran/69520] Implement reversal of -fcheck options

2016-01-28 Thread dominiq at lps dot ens.fr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69520 Dominique d'Humieres changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/69459] [5/6 Regression] wrong code with -O2 and vector arithmetics @ x86_64

2016-01-28 Thread uros at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69459 --- Comment #12 from uros at gcc dot gnu.org --- Author: uros Date: Thu Jan 28 22:32:47 2016 New Revision: 232955 URL: https://gcc.gnu.org/viewcvs?rev=232955&root=gcc&view=rev Log: PR target/69459 * config/i386/constraints.md (C):

[Bug preprocessor/69543] [6 Regression] _Pragma does not apply within macro

2016-01-28 Thread dmalcolm at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69543 --- Comment #1 from David Malcolm --- Breakpoint 4, linemap_compare_locations (set=0x77ff6000, pre=2147483641, post=post@entry=2147483656) at ../../src/libcpp/line-map.c:1326 (gdb) call inform (2147483641, "pre=2147483641") ../../src/gcc/tes

[Bug fortran/69544] [5/6 Regression] Internal compiler error with -Wall and where

2016-01-28 Thread dominiq at lps dot ens.fr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69544 Dominique d'Humieres changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug rtl-optimization/69530] [6 Regression] ICE: SIGSEGV in ix86_split_long_move (i386.c:24353) with -fno-split-wide-types -mavx

2016-01-28 Thread hjl.tools at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69530 H.J. Lu changed: What|Removed |Added Attachment #37509|0 |1 is obsolete|

[Bug target/68400] ICE in change_address_1, at emit-rtl.c:2125

2016-01-28 Thread sje at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68400 --- Comment #6 from Steve Ellcey --- Author: sje Date: Thu Jan 28 22:28:04 2016 New Revision: 232954 URL: https://gcc.gnu.org/viewcvs?rev=232954&root=gcc&view=rev Log: PR target/68400 * gcc.target/mips/mips.exp (mips_option_group

[Bug target/68400] ICE in change_address_1, at emit-rtl.c:2125

2016-01-28 Thread sje at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68400 --- Comment #5 from Steve Ellcey --- Author: sje Date: Thu Jan 28 22:25:55 2016 New Revision: 232952 URL: https://gcc.gnu.org/viewcvs?rev=232952&root=gcc&view=rev Log: 2016-01-28 Steve Ellcey PR target/68400 * config/mips/mip

[Bug rtl-optimization/69530] [6 Regression] ICE: SIGSEGV in ix86_split_long_move (i386.c:24353) with -fno-split-wide-types -mavx

2016-01-28 Thread hjl.tools at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69530 --- Comment #9 from H.J. Lu --- (In reply to Jakub Jelinek from comment #8) > Is the r229087 change still needed after r229458? Backout r229087 doesn't cause gcc.target/i386/pr67609-2.c nor gcc.target/i386/pr67609.c to fail.

[Bug pch/68176] [4.9/5/6 Regression] all pch tests fail on eglibc systems (with bits/predefs.h)

2016-01-28 Thread nix at esperi dot org.uk
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68176 --- Comment #11 from Nix --- Confirmed fixed (properly this time).

[Bug middle-end/69545] New: [6 Regression] FAIL: gfortran.dg/graphite/pr42285.f90 -O (internal compiler error)

2016-01-28 Thread hjl.tools at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69545 Bug ID: 69545 Summary: [6 Regression] FAIL: gfortran.dg/graphite/pr42285.f90 -O (internal compiler error) Product: gcc Version: 6.0 Status: UNCONFIRMED Severi

[Bug fortran/40737] Pointer references sometimes fail to define "span" symbols

2016-01-28 Thread joshuahykes at yahoo dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=40737 Josh Hykes changed: What|Removed |Added CC||joshuahykes at yahoo dot com --- Comment #1

[Bug target/63805] ICE: in extract_insn, at recog.c:2327 with -mcpu=power8

2016-01-28 Thread kelvin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63805 kelvin at gcc dot gnu.org changed: What|Removed |Added CC||kelvin at gcc dot gnu.org ---

[Bug target/57816] ICE compiling __builtin_sqrt with powerpc-none-eabispe with -mpowerpc-gpopt

2016-01-28 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57816 Martin Sebor changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug middle-end/69542] [6 Regression] -fcompare-debug failure in simplify-rtx.c on i?86 since r232905

2016-01-28 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69542 --- Comment #3 from Jakub Jelinek --- Author: jakub Date: Thu Jan 28 21:08:23 2016 New Revision: 232949 URL: https://gcc.gnu.org/viewcvs?rev=232949&root=gcc&view=rev Log: PR middle-end/69542 * lra-remat.c (calculate_local_reg_rem

[Bug fortran/69524] [6 Regression] [F08] Compiler segfaults on "module procedure"

2016-01-28 Thread pault at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69524 Paul Thomas changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |pault at gcc dot gnu.org --- Commen

[Bug target/17381] Unnecessary register move for float extend

2016-01-28 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=17381 --- Comment #9 from Martin Sebor --- Author: msebor Date: Thu Jan 28 21:05:39 2016 New Revision: 232947 URL: https://gcc.gnu.org/viewcvs?rev=232947&root=gcc&view=rev Log: PR target/17381 - Unnecessary register move for float extend 2016-01-28

[Bug middle-end/69542] [6 Regression] -fcompare-debug failure in simplify-rtx.c on i?86 since r232905

2016-01-28 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69542 --- Comment #2 from Jakub Jelinek --- Author: jakub Date: Thu Jan 28 21:01:51 2016 New Revision: 232946 URL: https://gcc.gnu.org/viewcvs?rev=232946&root=gcc&view=rev Log: PR middle-end/69542 * lra-remat.c (calculate_local_reg_rem

[Bug rtl-optimization/69530] [6 Regression] ICE: SIGSEGV in ix86_split_long_move (i386.c:24353) with -fno-split-wide-types -mavx

2016-01-28 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69530 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #8

[Bug rtl-optimization/69535] [6 Regression] wrong code with -O -fno-tree-bit-ccp -fno-tree-reassoc due to use of uninitialised value

2016-01-28 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69535 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #4

[Bug target/3920] [PPC] wrong register number for CTR in stabs

2016-01-28 Thread mattiase at acm dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3920 --- Comment #10 from Mattias Engdegård --- Stabs is rather obsolete and I don't personally care about it any more. As far as I can tell from the source (GCC 5.3 and GDB 7.10), the problem (wrong CTR numbering in stabs) is still there, but if it we

[Bug target/69459] [5/6 Regression] wrong code with -O2 and vector arithmetics @ x86_64

2016-01-28 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69459 Uroš Bizjak changed: What|Removed |Added Attachment #37510|0 |1 is obsolete|

[Bug fortran/69544] New: Internal compiler error with -Wall and where

2016-01-28 Thread joshuahykes at yahoo dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69544 Bug ID: 69544 Summary: Internal compiler error with -Wall and where Product: gcc Version: 5.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fort

[Bug target/69459] [5/6 Regression] wrong code with -O2 and vector arithmetics @ x86_64

2016-01-28 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69459 --- Comment #10 from Uroš Bizjak --- (In reply to Jakub Jelinek from comment #9) > We need to adjust md.texi too. > Also, I see there are 7 different uses of constraint "C" in i386.md with > general_operand predicate, are you sure you don't want

[Bug target/69459] [5/6 Regression] wrong code with -O2 and vector arithmetics @ x86_64

2016-01-28 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69459 --- Comment #9 from Jakub Jelinek --- We need to adjust md.texi too. Also, I see there are 7 different uses of constraint "C" in i386.md with general_operand predicate, are you sure you don't want "BC" for those? Stuff like *movti_internal *movdi

[Bug preprocessor/69543] New: _Pragma does not apply within macro

2016-01-28 Thread dmalcolm at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69543 Bug ID: 69543 Summary: _Pragma does not apply within macro Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: preprocessor

[Bug target/68972] g++.dg/cpp1y/vla-initlist1.C test case fails on powerpc64le

2016-01-28 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68972 --- Comment #5 from Martin Sebor --- Patch posted for review: https://gcc.gnu.org/ml/gcc-patches/2016-01/msg02245.html

[Bug target/69459] [5/6 Regression] wrong code with -O2 and vector arithmetics @ x86_64

2016-01-28 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69459 --- Comment #8 from Uroš Bizjak --- Created attachment 37510 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37510&action=edit Proposed patch Patch in testing.

[Bug fortran/69524] [6 Regression] [F08] Compiler segfaults on "module procedure"

2016-01-28 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69524 janus at gcc dot gnu.org changed: What|Removed |Added Keywords|ice-on-invalid-code |ice-on-valid-code S

[Bug target/68972] g++.dg/cpp1y/vla-initlist1.C test case fails on powerpc64le

2016-01-28 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68972 Martin Sebor changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned at

[Bug fortran/69524] [6 Regression] Compiler segfaults on invalid testcase

2016-01-28 Thread dominiq at lps dot ens.fr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69524 Dominique d'Humieres changed: What|Removed |Added CC||pault at gcc dot gnu.org --- Comm

[Bug pch/68176] [4.9/5/6 Regression] all pch tests fail on eglibc systems (with bits/predefs.h)

2016-01-28 Thread nix at esperi dot org.uk
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68176 --- Comment #10 from Nix --- Argh, scratch that -- I need to test a tree that *doesn't* have the original patch reverted! Doing that now, will report back once that's done.

[Bug fortran/69524] [6 Regression] Compiler segfaults on invalid testcase

2016-01-28 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69524 janus at gcc dot gnu.org changed: What|Removed |Added Summary|[6 Regression] Compiler |[6 Regression] Compiler

[Bug fortran/69524] [6 Regression] Compiler segfaults on simple testcase

2016-01-28 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69524 --- Comment #3 from janus at gcc dot gnu.org --- Here is a slightly reduced test case: module A interface module subroutine A1 end end interface contains subroutine A1 end end It's still invalid, but gives less errors with gfortr

[Bug target/69459] [5/6 Regression] wrong code with -O2 and vector arithmetics @ x86_64

2016-01-28 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69459 --- Comment #7 from Uroš Bizjak --- (In reply to Jakub Jelinek from comment #6) > (In reply to Uroš Bizjak from comment #5) > > (In reply to Jakub Jelinek from comment #4) > > > > > I'd say the i386 backend just should add a new constraint for C

[Bug fortran/69524] [6 Regression] Compiler segfaults on simple testcase

2016-01-28 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69524 janus at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug fortran/69484] [5 Regression] documentation issue: -Wtabs and -Wall

2016-01-28 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69484 janus at gcc dot gnu.org changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|--

[Bug tree-optimization/69355] [5 Regression] Wrong results with -O1 optimization

2016-01-28 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69355 --- Comment #24 from Jakub Jelinek --- (In reply to Martin Jambor from comment #23) > The testcase I posted to comment #19 fails also on the 4.9 branch so I > will test and commit the patch there too. > > Jakub, can I close the bug afterwards or

[Bug rtl-optimization/69535] [6 Regression] wrong code with -O -fno-tree-bit-ccp -fno-tree-reassoc due to use of uninitialised value

2016-01-28 Thread rth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69535 Richard Henderson changed: What|Removed |Added Component|target |rtl-optimization --- Comment #3 from

[Bug tree-optimization/69355] [5 Regression] Wrong results with -O1 optimization

2016-01-28 Thread jamborm at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69355 --- Comment #23 from Martin Jambor --- The testcase I posted to comment #19 fails also on the 4.9 branch so I will test and commit the patch there too. Jakub, can I close the bug afterwards or do you want to backport the gcc/tree-dfa.c (the patc

[Bug fortran/69484] [5 Regression] documentation issue: -Wtabs and -Wall

2016-01-28 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69484 --- Comment #4 from janus at gcc dot gnu.org --- Author: janus Date: Thu Jan 28 18:42:36 2016 New Revision: 232940 URL: https://gcc.gnu.org/viewcvs?rev=232940&root=gcc&view=rev Log: 2016-01-28 Janus Weil PR fortran/69484 * inv

[Bug target/69535] [6 Regression] wrong code with -O -fno-tree-bit-ccp -fno-tree-reassoc due to use of uninitialised value

2016-01-28 Thread rth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69535 Richard Henderson changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug rtl-optimization/69530] [6 Regression] ICE: SIGSEGV in ix86_split_long_move (i386.c:24353) with -fno-split-wide-types -mavx

2016-01-28 Thread hjl.tools at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69530 --- Comment #7 from H.J. Lu --- (In reply to Uroš Bizjak from comment #6) > (In reply to H.J. Lu from comment #5) > > Created attachment 37509 [details] > > A patch > > > > I am testing this. > > Many post-reload splitters in i386.md check thei

[Bug target/68543] [AArch64] Implement overflow arithmetic standard names {u,}{add,sub,mul}v4 and/or negv3

2016-01-28 Thread rth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68543 Richard Henderson changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug rtl-optimization/69530] [6 Regression] ICE: SIGSEGV in ix86_split_long_move (i386.c:24353) with -fno-split-wide-types -mavx

2016-01-28 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69530 --- Comment #6 from Uroš Bizjak --- (In reply to H.J. Lu from comment #5) > Created attachment 37509 [details] > A patch > > I am testing this. Many post-reload splitters in i386.md check their operands with REG_P, based on the premise that the

[Bug rtl-optimization/69447] [5 Regression] wrong code with -O2 -fno-schedule-insns and mixed 8/16/32/64bit arithmetics @ armv7a

2016-01-28 Thread ktkachov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69447 --- Comment #22 from ktkachov at gcc dot gnu.org --- (In reply to Richard Henderson from comment #21) > Fixed. Thanks, but I think there's been some fallout in PR 69447.

[Bug rtl-optimization/69447] [5 Regression] wrong code with -O2 -fno-schedule-insns and mixed 8/16/32/64bit arithmetics @ armv7a

2016-01-28 Thread rth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69447 Richard Henderson changed: What|Removed |Added Status|REOPENED|RESOLVED Resolution|---

[Bug rtl-optimization/69447] [5 Regression] wrong code with -O2 -fno-schedule-insns and mixed 8/16/32/64bit arithmetics @ armv7a

2016-01-28 Thread rth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69447 --- Comment #20 from Richard Henderson --- Author: rth Date: Thu Jan 28 18:11:27 2016 New Revision: 232938 URL: https://gcc.gnu.org/viewcvs?rev=232938&root=gcc&view=rev Log: PR rtl-opt/69447 * lra-remat.c (subreg_regs): New. (dump_candidate

[Bug pch/68176] [4.9/5/6 Regression] all pch tests fail on eglibc systems (with bits/predefs.h)

2016-01-28 Thread nix at esperi dot org.uk
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68176 --- Comment #9 from Nix --- Tested on the same old GCC 4.9 build tree and eglibc system that failed in the original report (for maximum reproducibility): it works, the regression is cured.

[Bug tree-optimization/69355] [5 Regression] Wrong results with -O1 optimization

2016-01-28 Thread jamborm at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69355 --- Comment #22 from Martin Jambor --- Author: jamborm Date: Thu Jan 28 18:04:00 2016 New Revision: 232937 URL: https://gcc.gnu.org/viewcvs?rev=232937&root=gcc&view=rev Log: [PR 69355] Correct hole detection when total_scalarization fails 2016-

[Bug target/69459] [5/6 Regression] wrong code with -O2 and vector arithmetics @ x86_64

2016-01-28 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69459 --- Comment #6 from Jakub Jelinek --- (In reply to Uroš Bizjak from comment #5) > (In reply to Jakub Jelinek from comment #4) > > > I'd say the i386 backend just should add a new constraint for CONST0_RTX > > only and use it wherever the all one

[Bug rtl-optimization/69530] [6 Regression] ICE: SIGSEGV in ix86_split_long_move (i386.c:24353) with -fno-split-wide-types -mavx

2016-01-28 Thread hjl.tools at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69530 --- Comment #5 from H.J. Lu --- Created attachment 37509 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37509&action=edit A patch I am testing this.

[Bug target/69305] [5/6 Regression] wrong code with -O and int128 @ aarch64

2016-01-28 Thread rth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69305 --- Comment #13 from Richard Henderson --- Author: rth Date: Thu Jan 28 17:48:22 2016 New Revision: 232936 URL: https://gcc.gnu.org/viewcvs?rev=232936&root=gcc&view=rev Log: PR target/69305 * config/aarch64/aarch64-modes.def (CC_Cmode): New

[Bug target/69459] [5/6 Regression] wrong code with -O2 and vector arithmetics @ x86_64

2016-01-28 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69459 --- Comment #5 from Uroš Bizjak --- (In reply to Jakub Jelinek from comment #4) > I'd say the i386 backend just should add a new constraint for CONST0_RTX > only and use it wherever the all ones is not allowed. As "C" is documented, > probably

[Bug middle-end/69542] [6 Regression] -fcompare-debug failure in simplify-rtx.c on i?86 since r232905

2016-01-28 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69542 Jakub Jelinek changed: What|Removed |Added CC||rth at gcc dot gnu.org,

[Bug middle-end/69542] New: [6 Regression] -fcompare-debug failure in simplify-rtx.c on i?86 since r232905

2016-01-28 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69542 Bug ID: 69542 Summary: [6 Regression] -fcompare-debug failure in simplify-rtx.c on i?86 since r232905 Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: no

[Bug middle-end/69542] [6 Regression] -fcompare-debug failure in simplify-rtx.c on i?86 since r232905

2016-01-28 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69542 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug libstdc++/69450] [6 Regression] libstdc++-v3/include/math.h:66:1 2: error: 'constexpr bool std::isnan(double)' conflicts with a previous declaration

2016-01-28 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69450 --- Comment #15 from Jonathan Wakely --- Amker, if you're talking about aarch64-*-*gnu* then that's not this bug (because this is about HP-UX). I assume you're using glibc from git, in which case see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=

[Bug target/65546] FAIL: gcc.dg/vect/costmodel/ppc/costmodel-vect-31a.c

2016-01-28 Thread wschmidt at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65546 --- Comment #5 from Bill Schmidt --- For GCC 6, this is just a testcase error. The failing assertion requires this clause now that we can vectorize the loop using misaligned loads/stores: { target { ! vect_hw_misalign } } I'll get that fixed s

[Bug c++/69517] [5/6 regression] SEGV on a VLA with excess initializer elements

2016-01-28 Thread jason at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69517 --- Comment #5 from Jason Merrill --- By the way, it was removed in r219359.

[Bug c++/69517] [5/6 regression] SEGV on a VLA with excess initializer elements

2016-01-28 Thread jason at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69517 --- Comment #4 from Jason Merrill --- (In reply to Martin Sebor from comment #3) > Just to clarify: it's the program that crashes, not GCC (so removing the > ice-on-invalid-code keyword). > > But I also think that rejecting or at least loudly di

[Bug target/69459] [5/6 Regression] wrong code with -O2 and vector arithmetics @ x86_64

2016-01-28 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69459 Jakub Jelinek changed: What|Removed |Added CC||uros at gcc dot gnu.org,

[Bug libstdc++/69450] [6 Regression] libstdc++-v3/include/math.h:66:1 2: error: 'constexpr bool std::isnan(double)' conflicts with a previous declaration

2016-01-28 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69450 --- Comment #14 from Jonathan Wakely --- (In reply to amker from comment #13) > I also saw this issue on aarch64, will test if the patch fixes it. It's a C library conflict, not hardware-specific, so "aarch64" is not relevant. The patch only af

[Bug libstdc++/69450] [6 Regression] libstdc++-v3/include/math.h:66:1 2: error: 'constexpr bool std::isnan(double)' conflicts with a previous declaration

2016-01-28 Thread amker at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69450 amker at gcc dot gnu.org changed: What|Removed |Added CC||amker at gcc dot gnu.org --- C

[Bug c++/69517] [5/6 regression] SEGV on a VLA with excess initializer elements

2016-01-28 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69517 Martin Sebor changed: What|Removed |Added Keywords|ice-on-invalid-code | --- Comment #3 from Martin Sebor --- Ju

[Bug tree-optimization/69541] check ssa more often in parloops

2016-01-28 Thread vries at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69541 vries at gcc dot gnu.org changed: What|Removed |Added Priority|P3 |P5

[Bug tree-optimization/69541] New: check ssa more often in parloops

2016-01-28 Thread vries at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69541 Bug ID: 69541 Summary: check ssa more often in parloops Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: trivial Priority: P3 Component: tree-optimization

[Bug c++/68949] [5/6 Regression] Implicit initialization of array member silently miscompiling.

2016-01-28 Thread jason at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68949 Jason Merrill changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/67407] [6 regression] ice in friend_accessible_p

2016-01-28 Thread jason at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67407 Jason Merrill changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/65608] [meta-bug] friend issues

2016-01-28 Thread jason at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65608 Bug 65608 depends on bug 67407, which changed state. Bug 67407 Summary: [6 regression] ice in friend_accessible_p https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67407 What|Removed |Added --

[Bug c/69540] New: add a short info on .so priority in -l

2016-01-28 Thread arkadiusz at drabczyk dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69540 Bug ID: 69540 Summary: add a short info on .so priority in -l Product: gcc Version: 6.0 Status: UNCONFIRMED Keywords: documentation Severity: normal Priority: P

[Bug middle-end/69526] ivopts candidate strangeness

2016-01-28 Thread amker at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69526 --- Comment #8 from amker at gcc dot gnu.org --- (In reply to rdapp from comment #7) > (In reply to amker from comment #6) > > > It comes from loop niter analysis, as in may_eliminate_iv, we have: > > > > (gdb) call debug_generic_expr(desc->nite

[Bug middle-end/69526] ivopts candidate strangeness

2016-01-28 Thread rdapp at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69526 --- Comment #7 from rdapp at linux dot vnet.ibm.com --- (In reply to amker from comment #6) > It comes from loop niter analysis, as in may_eliminate_iv, we have: > > (gdb) call debug_generic_expr(desc->niter) > n_5(D) + 4294967295 and this is c

[Bug driver/40200] ''gcc file.cpp -o file.cpp'' overwrites input file

2016-01-28 Thread dmalcolm at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=40200 David Malcolm changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug driver/36312] should refuse to overwrite input file with output file

2016-01-28 Thread dmalcolm at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36312 David Malcolm changed: What|Removed |Added CC||_paul at bk dot ru --- Comment #20 from

[Bug middle-end/69526] ivopts candidate strangeness

2016-01-28 Thread amker at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69526 --- Comment #6 from amker at gcc dot gnu.org --- (In reply to rdapp from comment #5) > I still don't quite get why the "n - 1" is needed. Do we need it to possibly > have an exit condition like > > if (i != n-1) or > if (i <= n-1)? > > Am I m

[Bug target/68662] [6 regression] FAIL: gcc.dg/lto/20090210 c_lto_20090210_0.o-c_lto_20090210_1.o link, -O2 -flto -flto-partition=none -fuse-linker-plugin -fno-fat-lto-objects

2016-01-28 Thread bergner at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68662 --- Comment #12 from Peter Bergner --- Should we add an assert somewhere to ensure that flag_pic and TARGET_RELOCATABLE are consistent?

[Bug target/69538] gcc.dg/torture/stackalign/builtin-apply-4.c fails with flto for aarch32 targets with single precision FPU

2016-01-28 Thread ktkachov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69538 ktkachov at gcc dot gnu.org changed: What|Removed |Added Known to fail||4.8.5, 4.9.4, 5.3.1, 6.0 --

[Bug target/69538] gcc.dg/torture/stackalign/builtin-apply-4.c fails with flto for aarch32 targets with single precision FPU

2016-01-28 Thread ktkachov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69538 ktkachov at gcc dot gnu.org changed: What|Removed |Added Target||arm Status|UNCO

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