[Bug rtl-optimization/81803] [7/8 regression] miscompilation at -O1 on mips64el

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81803 Eric Botcazou changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug rtl-optimization/81803] [7/8 regression] miscompilation at -O1 on mips64el

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81803 --- Comment #21 from Eric Botcazou --- Author: ebotcazou Date: Tue Nov 7 07:44:58 2017 New Revision: 254488 URL: https://gcc.gnu.org/viewcvs?rev=254488=gcc=rev Log: PR rtl-optimization/81803 * lra-constraints.c

[Bug c++/82872] [6/7/8 Regression] ICE in ignore_overflows on __PTRDIFF_MAX__ index

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82872 Eric Botcazou changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug middle-end/82878] [7/8 Regression] ICE in assign_temp, at function.c:968 when using optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82878 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |NEW Known to work|

[Bug tree-optimization/82875] ICE at -Os on valid code on x86_64-linux-gnu: in find_widening_optab_handler_and_mode, at optabs-query.c:414

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82875 --- Comment #2 from Qirun Zhang --- (In reply to Arseny Solokha from comment #1) > This is likely a duplicate of PR82816. Hi Arseny, I tried it on r254484. It still exists. $ gcc-trunk -v Using built-in specs. COLLECT_GCC=gcc-trunk

[Bug tree-optimization/82875] ICE at -Os on valid code on x86_64-linux-gnu: in find_widening_optab_handler_and_mode, at optabs-query.c:414

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82875 Arseny Solokha changed: What|Removed |Added CC||asolokha at gmx dot com --- Comment #1

[Bug c++/82878] ICE in assign_temp, at function.c:968 when using optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82878 --- Comment #1 from Kyle Sunden --- Created attachment 42554 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42554=edit Preprocessed source file Needed to compress because the plain text is too large to submit. Did not realize it did not

[Bug c++/82878] New: ICE in assign_temp, at function.c:968 when using optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82878 Bug ID: 82878 Summary: ICE in assign_temp, at function.c:968 when using optimization Product: gcc Version: 7.2.0 Status: UNCONFIRMED Severity: normal

[Bug c++/82874] excessively large array index accepted in constexpr context

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82874 Martin Sebor changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug c++/82877] New: negative array index accepted in a pointer difference expression in constexpr context

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82877 Bug ID: 82877 Summary: negative array index accepted in a pointer difference expression in constexpr context Product: gcc Version: 8.0 Status: UNCONFIRMED

[Bug c++/82876] New: out-of-bounds pointer offset silently accepted in constexpr context

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82876 Bug ID: 82876 Summary: out-of-bounds pointer offset silently accepted in constexpr context Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug tree-optimization/82875] New: ICE at -Os on valid code on x86_64-linux-gnu: in find_widening_optab_handler_and_mode, at optabs-query.c:414

-multilib Thread model: posix gcc version 8.0.0 20171106 (experimental) [trunk revision 254453] (GCC) $ gcc-trunk -m32 -Os abc.c during RTL pass: expand abc.c: In function ‘fn1’: abc.c:15:25: internal compiler error: in find_widening_optab_handler_and_mode, at optabs-query.c:414 d ? (a %= c

[Bug c++/82873] Generated copy constructor calls constructors for 0-sized array members

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82873 --- Comment #1 from Matthew Fernandez --- Sorry, that was meant to be PR 14779, not 14799.

[Bug c++/82874] New: invalid array index accepted in constexpr context

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82874 Bug ID: 82874 Summary: invalid array index accepted in constexpr context Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug fortran/82865] Option -fdec collides with PDT

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82865 --- Comment #4 from Jerry DeLisle --- I would be OK with a hard error. If so, we need to think about any other similir situations with other modern fortran features. Then we get into a game of chasing more rabits. Perhaps best to document and

[Bug c++/82873] New: Generated copy constructor calls constructors for 0-sized array members

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82873 Bug ID: 82873 Summary: Generated copy constructor calls constructors for 0-sized array members Product: gcc Version: 7.2.0 Status: UNCONFIRMED Severity: normal

[Bug c++/82872] New: [6/7/8 Regression] ICE in ignore_overflows on an out-of-bounds index in constexpr

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82872 Bug ID: 82872 Summary: [6/7/8 Regression] ICE in ignore_overflows on an out-of-bounds index in constexpr Product: gcc Version: 8.0 Status: UNCONFIRMED

[Bug target/82871] New: Unneeded lsls lsrs instructions generated on half word access for arm cortex-m4 target.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82871 Bug ID: 82871 Summary: Unneeded lsls lsrs instructions generated on half word access for arm cortex-m4 target. Product: gcc Version: 6.3.0 Status: UNCONFIRMED

[Bug sanitizer/82869] c_associated does not always give false for null pointers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82869 --- Comment #3 from Steve Kargl --- On Mon, Nov 06, 2017 at 11:40:52PM +, james.s.spencer at gmail dot com wrote: > > The third example occurs without the sanitizer enabled. > Grouping multiple bug reports into one is probably not a good

[Bug sanitizer/82869] c_associated does not always give false for null pointers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82869 --- Comment #2 from james.s.spencer at gmail dot com --- (In reply to kargl from comment #1) > (In reply to james.s.spencer from comment #0) > > I think if a pointer, p, is C_NULL_PTR then c_associated(p) should always > > return false. However,

[Bug c/82870] New: Assignment by Designated Initializer Overwrites a Flexible Array Member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82870 Bug ID: 82870 Summary: Assignment by Designated Initializer Overwrites a Flexible Array Member Product: gcc Version: 6.4.0 Status: UNCONFIRMED Severity: normal

[Bug sanitizer/82869] c_associated does not always give false for null pointers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82869 kargl at gcc dot gnu.org changed: What|Removed |Added CC||dodji at gcc dot gnu.org,

[Bug fortran/82869] New: c_associated does not always give false for null pointers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82869 Bug ID: 82869 Summary: c_associated does not always give false for null pointers Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal

[Bug target/82788] wrong code with -fstack-clash-protection --param=stack-clash-protection-probe-interval=10 on simple code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82788 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug fortran/82865] Option -fdec collides with PDT

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82865 Thomas Koenig changed: What|Removed |Added CC||tkoenig at gcc dot gnu.org --- Comment

[Bug bootstrap/82856] [8 Regression] --enable-maintainter-mode broken by automake failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82856 Thomas Koenig changed: What|Removed |Added See Also|https://bugzilla.suse.com/s |

[Bug bootstrap/82856] [8 Regression] --enable-maintainter-mode broken by automake failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82856 --- Comment #3 from Thomas Koenig --- FWITW, the patch to automake --- automake-1.11.orig 2017-11-06 21:47:27.451349052 +0100 +++ automake2017-11-06 21:48:29.882102274 +0100 @@ -4156,7 +4156,7 @@ sub substitute_ac_subst_variables ($) {

[Bug bootstrap/82856] [8 Regression] --enable-maintainter-mode broken by automake failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82856 --- Comment #2 from Thomas Koenig --- (In reply to Richard Biener from comment #1) > Likely all active branches are affected and it's likely not a regression. > > Can you quickly figure what automake version fixed this? Unfortunately not.

[Bug fortran/82866] [PDT] ICE in resolve_fl_derived0, at fortran/resolve.c:14004

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82866 --- Comment #6 from Steve Kargl --- On Mon, Nov 06, 2017 at 07:48:12PM +, jvdelisle at gcc dot gnu.org wrote: > > --- Comment #5 from Jerry DeLisle --- > (In reply to kargl from comment #4) > --- snip --- > > If it passes regression

[Bug fortran/25829] [F03] Asynchronous IO support

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25829 Jerry DeLisle changed: What|Removed |Added CC||jvdelisle at gcc dot gnu.org ---

[Bug fortran/82866] [PDT] ICE in resolve_fl_derived0, at fortran/resolve.c:14004

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82866 Jerry DeLisle changed: What|Removed |Added CC||jvdelisle at gcc dot gnu.org ---

[Bug fortran/82865] Option -fdec collides with PDT

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82865 Jerry DeLisle changed: What|Removed |Added CC||jvdelisle at gcc dot gnu.org ---

[Bug tree-optimization/82816] [8 Regression] ICE on valid code at -Os and above: in find_widening_optab_handler_and_mode, at optabs-query.c:414

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82816 rsandifo at gcc dot gnu.org changed: What|Removed |Added Status|ASSIGNED|RESOLVED

[Bug fortran/82865] Option -fdec collides with PDT

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82865 Dominique d'Humieres changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug fortran/82868] ICE in generate_coarray_sym_init, at fortran/trans-decl.c:5203

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82868 Dominique d'Humieres changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug fortran/82866] [PDT] ICE in resolve_fl_derived0, at fortran/resolve.c:14004

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82866 kargl at gcc dot gnu.org changed: What|Removed |Added CC||kargl at gcc dot gnu.org ---

[Bug fortran/82866] [PDT] ICE in resolve_fl_derived0, at fortran/resolve.c:14004

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82866 Dominique d'Humieres changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/82848] [8 Regression] ICE in expand_expr_real_2, at expr.c:8715

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82848 Bill Schmidt changed: What|Removed |Added CC||willschm at gcc dot gnu.org,

[Bug target/82748] ICE with __builtin_fabsq and __float128 in copy_to_mode_reg, at explow.c:612

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82748 --- Comment #3 from Michael Meissner --- Author: meissner Date: Mon Nov 6 18:31:48 2017 New Revision: 254462 URL: https://gcc.gnu.org/viewcvs?rev=254462=gcc=rev Log: [gcc] 2017-11-06 Michael Meissner PR

[Bug fortran/82868] New: ICE in generate_coarray_sym_init, at fortran/trans-decl.c:5203

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82868 Bug ID: 82868 Summary: ICE in generate_coarray_sym_init, at fortran/trans-decl.c:5203 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug middle-end/82867] missing warning on buffer overflow assigning to the result of mempcpy

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82867 Martin Sebor changed: What|Removed |Added Keywords||diagnostic Severity|normal

[Bug middle-end/82867] New: missing warning on buffer overflow assigning to the result of mempcpy

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82867 Bug ID: 82867 Summary: missing warning on buffer overflow assigning to the result of mempcpy Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug fortran/82866] [PDT] ICE in resolve_fl_derived0, at fortran/resolve.c:14004

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82866 --- Comment #2 from G. Steinmetz --- Slightly different : $ cat z7.f90 module m type t(a, :, *) end type end $ cat z7s.f90 subroutine s type t(a, :, *) end type end $ cat z8.f90 module m type t(*, a, :)

[Bug fortran/82866] [PDT] ICE in resolve_fl_derived0, at fortran/resolve.c:14004

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82866 G. Steinmetz changed: What|Removed |Added Blocks||82173 --- Comment #1

[Bug fortran/82866] New: [PDT] ICE in resolve_fl_derived0, at fortran/resolve.c:14004

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82866 Bug ID: 82866 Summary: [PDT] ICE in resolve_fl_derived0, at fortran/resolve.c:14004 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug c++/55004] [meta-bug] constexpr issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55004 Bug 55004 depends on bug 65579, which changed state. Bug 65579 Summary: [C++11] gcc requires definition of a static constexpr member even though it is not odr-used https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65579 What|Removed

[Bug c++/65579] [C++11] gcc requires definition of a static constexpr member even though it is not odr-used

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65579 Paolo Carlini changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/65579] [C++11] gcc requires definition of a static constexpr member even though it is not odr-used

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65579 --- Comment #6 from paolo at gcc dot gnu.org --- Author: paolo Date: Mon Nov 6 17:45:55 2017 New Revision: 254461 URL: https://gcc.gnu.org/viewcvs?rev=254461=gcc=rev Log: /cp 2017-11-06 Paolo Carlini PR

[Bug fortran/82865] New: Option -fdec collides with PDT

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82865 Bug ID: 82865 Summary: Option -fdec collides with PDT Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran

[Bug fortran/56496] [OOP] [F08] ICE with TYPE(*) coarray and SELECT TYPE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56496 --- Comment #3 from G. Steinmetz --- Further reduced : $ cat z1.f90 program p class(*), allocatable :: a[:] allocate (integer :: a[*]) select type (a) type is (integer) end select end $ gfortran-8-20171105

[Bug fortran/56496] [OOP] [F08] ICE with TYPE(*) coarray and SELECT TYPE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56496 G. Steinmetz changed: What|Removed |Added CC||gs...@t-online.de ---

[Bug c++/82850] g++ permits redefinition of default arguments

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82850 Daniel Krügler changed: What|Removed |Added CC||daniel.kruegler@googlemail.

[Bug libgomp/82864] New: Stop using GOMP_OFFLOAD_openacc_async_set_async

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82864 Bug ID: 82864 Summary: Stop using GOMP_OFFLOAD_openacc_async_set_async Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: enhancement Priority: P3

[Bug jit/82846] [8 regression] jit.dg test-alignment.c.exe, test-combination.c.exe, test-threads.c.exe fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82846 --- Comment #2 from David Malcolm --- Works for me; I wasn't able to reproduce. Does the fix for PR jit/82826 (r254458) help? If I add this to set_options in harness.h: gcc_jit_context_set_bool_option ( ctxt,

[Bug fortran/82859] derived type character component, array comparison inconsistent

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82859 Dominique d'Humieres changed: What|Removed |Added Keywords||wrong-code

[Bug c++/82850] g++ permits redefinition of default arguments

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82850 Erik Cass changed: What|Removed |Added Version|5.4.0 |6.4.0 --- Comment #3 from Erik Cass ---

[Bug jit/82826] [8 regression] jit.dg test-benchmark.c.exe fail

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82826 David Malcolm changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug jit/82826] [8 regression] jit.dg test-benchmark.c.exe fail

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82826 --- Comment #4 from David Malcolm --- Should be fixed by r254458.

[Bug c++/82861] 'long double sqrtf128(long double)' conflicts with built-in declaration 'long double sqrtf128(long double)' [-Wbuiltin-declaration-mismatch]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82861 --- Comment #1 from joseph at codesourcery dot com --- Should already have been fixed by r254277.

[Bug jit/82826] [8 regression] jit.dg test-benchmark.c.exe fail

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82826 --- Comment #3 from David Malcolm --- Author: dmalcolm Date: Mon Nov 6 16:31:04 2017 New Revision: 254458 URL: https://gcc.gnu.org/viewcvs?rev=254458=gcc=rev Log: ipa-fnsummary.c: fix use-after-free crash (PR jit/82826) gcc/ChangeLog:

[Bug tree-optimization/82838] [8 Regression] ICE in verify_ssa failed w/ store-merging

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82838 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/82838] [8 Regression] ICE in verify_ssa failed w/ store-merging

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82838 --- Comment #2 from Jakub Jelinek --- Author: jakub Date: Mon Nov 6 16:29:11 2017 New Revision: 254457 URL: https://gcc.gnu.org/viewcvs?rev=254457=gcc=rev Log: PR tree-optimization/82838 * gimple-ssa-store-merging.c

[Bug target/82863] New: [8 Regression] ICE in verify_flow_info building SH libgcc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82863 Bug ID: 82863 Summary: [8 Regression] ICE in verify_flow_info building SH libgcc Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug ada/82844] [8 Regression] Many ada tests time out on x32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82844 --- Comment #8 from Pierre-Marie de Rodat --- (In reply to H.J. Lu from comment #7) > That is r253366. X32 failed to build between r253136 and r253365. Ok, thanks! We still have patches in the pipeline in this area (s-taprop* files), so I’ll

[Bug c++/82850] g++ permits redefinition of default arguments

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82850 Erik Cass changed: What|Removed |Added Version|4.8.5 |5.4.0 --- Comment #2 from Erik Cass ---

[Bug target/82788] wrong code with -fstack-clash-protection --param=stack-clash-protection-probe-interval=10 on simple code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82788 --- Comment #2 from Jeffrey A. Law --- Author: law Date: Mon Nov 6 15:51:16 2017 New Revision: 254456 URL: https://gcc.gnu.org/viewcvs?rev=254456=gcc=rev Log: PR target/82788 * config/i386/i386.c (PROBE_INTERVAL): Remove.

[Bug target/82862] [8 Regression] SPEC CPU2006 465.tonto performance regression with r253975 (up to 40% drop for particular loop)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82862 Andrew Pinski changed: What|Removed |Added Keywords||missed-optimization Target|

[Bug sanitizer/82824] [8 regression] libsanitizer fails to build: VM_MEMORY_OS_ALLOC_ONCE undefined

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82824 --- Comment #4 from ro at CeBiTec dot Uni-Bielefeld.DE --- > --- Comment #3 from Eric Gallager --- [...] > Really? It doesn't show up in the ./configure --help output: > > Local-Admins-MacBook-Pro:gcc ericgallager$ ./configure --help=recursive

[Bug sanitizer/82824] [8 regression] libsanitizer fails to build: VM_MEMORY_OS_ALLOC_ONCE undefined

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82824 --- Comment #3 from Eric Gallager --- (In reply to r...@cebitec.uni-bielefeld.de from comment #2) > > --- Comment #1 from Eric Gallager --- > [...] > > Apparently 10.6/Darwin 11 isn't supported either; see bug 82829. As I said > > I couldn't

[Bug tree-optimization/82862] New: [8 Regression] SPEC CPU2006 465.tonto performance regression with trunk@253975 (up to 40% drop for particular loop)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82862 Bug ID: 82862 Summary: [8 Regression] SPEC CPU2006 465.tonto performance regression with trunk@253975 (up to 40% drop for particular loop) Product: gcc Version:

[Bug middle-end/82853] Optimize x % 3 == 0 without modulo

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82853 --- Comment #12 from Wilco --- (In reply to Marc Glisse from comment #11) > (In reply to Wilco from comment #9) > > It works for any C where (divisor*C) MOD 2^32 == 1 (or -1). > > For x%3==0, i.e. z==0 for x==3*y+z with 0<=y<5556 and

[Bug bootstrap/82832] [8 Regression] Broken PGO LTO bootstrap on x86_64 after r254379

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82832 Jan Hubicka changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug middle-end/78809] Inline strcmp with small constant strings

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78809 --- Comment #20 from Qing Zhao --- design doc is at: https://www.mail-archive.com/gcc@gcc.gnu.org/msg83822.html

[Bug bootstrap/82831] [8 Regression] Broken PGO bootstrap on i586-linux-gnu after r254379

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82831 --- Comment #1 from Jan Hubicka --- This seems previously latent bug in bb-reorder. It produces order of blocks which has hot blocks, then some cold blocks and then hot blocks again. I am not sure why this happens though. Honza

[Bug tree-optimization/82816] [8 Regression] ICE on valid code at -Os and above: in find_widening_optab_handler_and_mode, at optabs-query.c:414

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82816 --- Comment #2 from rsandifo at gcc dot gnu.org --- Author: rsandifo Date: Mon Nov 6 14:47:43 2017 New Revision: 254454 URL: https://gcc.gnu.org/viewcvs?rev=254454=gcc=rev Log: PR82816: Widening multiplies of bitfields In this PR we tried to

[Bug c++/82861] New: 'long double sqrtf128(long double)' conflicts with built-in declaration 'long double sqrtf128(long double)' [-Wbuiltin-declaration-mismatch]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82861 Bug ID: 82861 Summary: 'long double sqrtf128(long double)' conflicts with built-in declaration 'long double sqrtf128(long double)' [-Wbuiltin-declaration-mismatch] Product:

[Bug sanitizer/82824] [8 regression] libsanitizer fails to build: VM_MEMORY_OS_ALLOC_ONCE undefined

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82824 --- Comment #2 from ro at CeBiTec dot Uni-Bielefeld.DE --- > --- Comment #1 from Eric Gallager --- [...] > Apparently 10.6/Darwin 11 isn't supported either; see bug 82829. As I said I couldn't find an explicit statement of support (or

[Bug libgomp/38935] Openmp reduction with - (minus) does not produce correct result

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38935 Paweł Zacharek changed: What|Removed |Added CC||subc2 at wp dot pl --- Comment #1 from

[Bug ada/82844] [8 Regression] Many ada tests time out on x32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82844 --- Comment #7 from H.J. Lu --- (In reply to Eric Botcazou from comment #6) > > The last good subversion checkin is r253135. > > And the first revision for which you have the timeouts? That is r253366. X32 failed to build between r253136 and

[Bug tree-optimization/82860] [8 regression] gcc.dg/vect/pr79347.c FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82860 Rainer Orth changed: What|Removed |Added Target Milestone|--- |8.0

[Bug tree-optimization/82860] New: [8 regression] gcc.dg/vect/pr79347.c FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82860 Bug ID: 82860 Summary: [8 regression] gcc.dg/vect/pr79347.c FAILs Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug bootstrap/82832] [8 Regression] Broken PGO LTO bootstrap on x86_64 after r254379

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82832 --- Comment #1 from Jan Hubicka --- Author: hubicka Date: Mon Nov 6 13:45:41 2017 New Revision: 254452 URL: https://gcc.gnu.org/viewcvs?rev=254452=gcc=rev Log: PR bootstrap/82832 * ipa-inline-transform.c

[Bug target/82002] [8 Regression] ICE in sp_valid_at, at config/i386/i386.c:13233

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82002 Uroš Bizjak changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/82002] [8 Regression] ICE in sp_valid_at, at config/i386/i386.c:13233

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82002 Uroš Bizjak changed: What|Removed |Added CC||andrey.y.guskov at intel dot com ---

[Bug target/82827] [8 regression] i386/pr82002-2a.c fail

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82827 Uroš Bizjak changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug fortran/82783] [7/8 Regression] gfortran ICEs when compiling polymorphic function call

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82783 Paul Thomas changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug target/82858] __builtin_add_overflow() generates suboptimal code with unsigned types on x86

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82858 --- Comment #5 from Uroš Bizjak --- Actually, -m32 -march=i386 -mtune=generic generates expected code: movl8(%esp), %eax addl4(%esp), %eax sbbl%edx, %edx orl %edx, %eax ret -march=i386

[Bug middle-end/82853] Optimize x % 3 == 0 without modulo

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82853 --- Comment #11 from Marc Glisse --- (In reply to Wilco from comment #9) > It works for any C where (divisor*C) MOD 2^32 == 1 (or -1). For x%3==0, i.e. z==0 for x==3*y+z with 0<=y<5556 and 0<=z<3. Indeed, x*0xaaab==y+z*0xaaab is in

[Bug target/82855] AVX512: replace OP+movemask with OP_mask+ktest

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82855 --- Comment #3 from Jakub Jelinek --- Created attachment 42550 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42550=edit gcc8-pr82855-1.patch Untested patch, part 3. With these 3, I get for the second function with -O2 -mavx512{vl,dq}

[Bug target/82855] AVX512: replace OP+movemask with OP_mask+ktest

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82855 --- Comment #2 from Jakub Jelinek --- Created attachment 42549 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42549=edit gcc8-pr82855-2.patch Untested patch, part 2.

[Bug target/82855] AVX512: replace OP+movemask with OP_mask+ktest

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82855 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug bootstrap/82856] [8 Regression] --enable-maintainter-mode broken by automake failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82856 Richard Biener changed: What|Removed |Added CC||rguenth at gcc dot gnu.org

[Bug middle-end/82853] Optimize x % 3 == 0 without modulo

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82853 --- Comment #10 from Richard Biener --- Might be even more special-cased with x % 3 == 0 ? C1 : C2 aka in if-conversion context.

[Bug target/82858] __builtin_add_overflow() generates suboptimal code with unsigned types on x86

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82858 --- Comment #4 from Marc Glisse --- unsigned c; unsigned d = __builtin_add_overflow(a, b, )?-1:0; return c|d; gives the expected asm. Ideally phiopt would recognize a saturing add pattern, but we have nothing to model it in gimple.

[Bug target/82851] [8 regression] g++.dg/vect/slp-pr56812.cc, i386/avx2-vpaddq-3.c, i386/avx2-vpsubq-3.c fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82851 Richard Biener changed: What|Removed |Added Target Milestone|--- |8.0

[Bug target/82852] [8 regression] i386/vect-unpack-1.c, i386/avx512f-gather-2.c, i386/avx256-unaligned-store-2.c fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82852 Richard Biener changed: What|Removed |Added Target Milestone|--- |8.0

[Bug jit/82846] [8 regression] jit.dg test-alignment.c.exe, test-combination.c.exe, test-threads.c.exe fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82846 Richard Biener changed: What|Removed |Added Target Milestone|--- |8.0

[Bug target/82848] [8 Regression] ICE in expand_expr_real_2, at expr.c:8715

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82848 Richard Biener changed: What|Removed |Added Version|7.0 |8.0 Target Milestone|---

[Bug ada/82844] [8 Regression] Many ada tests time out on x32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82844 Richard Biener changed: What|Removed |Added Target Milestone|--- |8.0

[Bug debug/82837] [8 Regression] ICE in output_operand: invalid expression as operand

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82837 Richard Biener changed: What|Removed |Added Version|7.0 |8.0 Target Milestone|---

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