[Bug target/81616] Update -mtune=generic for the current Intel and AMD processors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81616 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment

[Bug target/81616] Update -mtune=generic for the current Intel and AMD processors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81616 --- Comment #10 from Andrew Roberts --- Created attachment 42691 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42691=edit Script for matrix.c test program Script for matrix.c test program

[Bug target/81616] Update -mtune=generic for the current Intel and AMD processors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81616 --- Comment #9 from Andrew Roberts --- Created attachment 42690 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42690=edit Test results for Skylake system with matrix.c Test results for Skylake system with matrix.c

[Bug target/81616] Update -mtune=generic for the current Intel and AMD processors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81616 --- Comment #8 from Andrew Roberts --- Created attachment 42689 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42689=edit Test results for Haswell system with matrix.c Test results for Haswell system with matrix.c

[Bug target/81616] Update -mtune=generic for the current Intel and AMD processors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81616 --- Comment #7 from Andrew Roberts --- Created attachment 42688 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42688=edit Test results for Ryzen system with matrix.c Test results for Ryzen system with matrix.c

[Bug target/81616] Update -mtune=generic for the current Intel and AMD processors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81616 --- Comment #6 from Andrew Roberts --- Created attachment 42687 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42687=edit Test program used for the attached performance results (matrix.c) Test program used for the attached performance

[Bug target/81616] Update -mtune=generic for the current Intel and AMD processors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81616 --- Comment #5 from Andrew Roberts --- I've been testing on a Ryzen system and also comparing with Haswell and Skylake. From my testing -mtune=znver1 does not perform well and never has, including as of last snapshot: gcc version 8.0.0 20171119

[Bug target/81616] Update -mtune=generic for the current Intel and AMD processors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81616 Andrew Roberts changed: What|Removed |Added CC||andrewm.roberts at sky dot com ---

[Bug c++/83121] New: [8 Regression] ICE: in linemap_ordinary_map_lookup, at libcpp/line-map.c:995

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83121 Bug ID: 83121 Summary: [8 Regression] ICE: in linemap_ordinary_map_lookup, at libcpp/line-map.c:995 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity:

[Bug tree-optimization/83104] [8 Regression] ICE: Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83104 Markus Trippelsdorf changed: What|Removed |Added CC||amodra at gmail dot com ---

[Bug tree-optimization/83119] segmentation fault due to two_valued_val_range_p passing NULL to to_wide

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83119 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug target/83111] [sh] stack smashing detected in gen_udivsi3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83111 Oleg Endo changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug libstdc++/83120] [8 Regression] ext/special_functions/hyperg failure on AIX

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83120 David Edelsohn changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug libstdc++/83120] New: [8 Regression] ext/special_functions/hyperg failure on AIX

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83120 Bug ID: 83120 Summary: [8 Regression] ext/special_functions/hyperg failure on AIX Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug tree-optimization/83119] New: segmentation fault due to two_valued_val_range_p passing NULL to to_wide

std=gnu11 -version -fgnu89-inline -fmerge-all-constants -fno-stack-protector -frounding-math -fpic -o fetch-value.s GNU C11 (GCC) version 8.0.0 20171122 (experimental) (powerpc64-linux) compiled by GNU C version 8.0.0 20171122 (experimental), GMP version 6.0.0, MPFR version 3.1.1, MPC vers

[Bug c++/82401] [8 Regression] error: qsort comparator non-negative on sorted output: 1 in insert_late_enum_def_bindings on an invalid code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82401 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug middle-end/82407] [8 Regression][meta-bug] qsort_chk fallout tracking

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82407 Bug 82407 depends on bug 82401, which changed state. Bug 82401 Summary: [8 Regression] error: qsort comparator non-negative on sorted output: 1 in insert_late_enum_def_bindings on an invalid code

[Bug libgomp/83106] [8 regression] libgomp/target.c:2671:2: error: ‘strncat’ specified bound 5 equals source length [-Werror=stringop-overflow=]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83106 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug lto/80717] LTO wrappers segfault if run with absolute path

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80717 Bartłomiej Piotrowski changed: What|Removed |Added CC||bpiotrowski at archlinux dot

[Bug fortran/83118] [7/8 Regression] Bad intrinsic assignment of class(*) array component of derived type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83118 Dominique d'Humieres changed: What|Removed |Added Priority|P3 |P4

[Bug c++/82401] [8 Regression] error: qsort comparator non-negative on sorted output: 1 in insert_late_enum_def_bindings on an invalid code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82401 --- Comment #2 from Jakub Jelinek --- Author: jakub Date: Wed Nov 22 22:35:52 2017 New Revision: 255084 URL: https://gcc.gnu.org/viewcvs?rev=255084=gcc=rev Log: PR c++/82401 * name-lookup.c (member_name_cmp): Return 0 if a == b.

[Bug fortran/83118] Bad intrinsic assignment of class(*) array component of derived type (8.0 regression)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83118 --- Comment #1 from Neil Carlson --- Note that the incorrect string "b" is not actually 1 character long, but 3 characters: a "b" followed by 2 non-printing characters. Vim shows them as ^@

[Bug fortran/83118] New: Bad intrinsic assignment of class(*) array component of derived type (8.0 regression)

with version 8.0 when the dynamic type is CHARACTER. Version 6.4.1 gives the expected result: orig=["foo","bar"] copy=["foo","bar"] But 8.0 (20171122) gives an incorrect result: orig=["foo","bar"] copy=["foo","b"

[Bug target/79242] ICE in simplify_subreg, at simplify-rtx.c:6029

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79242 Jozef Lawrynowicz changed: What|Removed |Added CC||jozefl.gcc at gmail dot com ---

[Bug rtl-optimization/83030] [8 regression] ICE in create_pseudo_cfg, at dwarf2cfi.c:2840

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83030 Eric Botcazou changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug rtl-optimization/83030] [8 regression] ICE in create_pseudo_cfg, at dwarf2cfi.c:2840

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83030 --- Comment #6 from Eric Botcazou --- Author: ebotcazou Date: Wed Nov 22 21:43:22 2017 New Revision: 255083 URL: https://gcc.gnu.org/viewcvs?rev=255083=gcc=rev Log: PR rtl-optimization/83030 * doc/rtl.texi (Flags in an RTL

[Bug fortran/82392] Allign arrays for faster execution

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82392 --- Comment #2 from Thomas Koenig --- Test case for the fact that we don't align, or that this causes a performance loss?

[Bug tree-optimization/82583] missing -Warray-bounds on out-of-bounds inner indices

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82583 --- Comment #5 from David Malcolm --- Author: dmalcolm Date: Wed Nov 22 21:12:36 2017 New Revision: 255082 URL: https://gcc.gnu.org/viewcvs?rev=255082=gcc=rev Log: jit: update test suite for change to -Warray-bounds

[Bug tree-optimization/82588] missing -Warray-bounds on a excessively large index

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82588 --- Comment #6 from David Malcolm --- Author: dmalcolm Date: Wed Nov 22 21:12:36 2017 New Revision: 255082 URL: https://gcc.gnu.org/viewcvs?rev=255082=gcc=rev Log: jit: update test suite for change to -Warray-bounds

[Bug target/83117] FAIL: gcc.target/x86_64/abi/ms-sysv/ms-sysv.c (test for excess errors)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83117 Uroš Bizjak changed: What|Removed |Added Target||x86_64 CC|

[Bug target/83117] New: FAIL: gcc.target/x86_64/abi/ms-sysv/ms-sysv.c (test for excess errors)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83117 Bug ID: 83117 Summary: FAIL: gcc.target/x86_64/abi/ms-sysv/ms-sysv.c (test for excess errors) Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug libgomp/83106] [8 regression] libgomp/target.c:2671:2: error: ‘strncat’ specified bound 5 equals source length [-Werror=stringop-overflow=]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83106 --- Comment #7 from Jakub Jelinek --- Author: jakub Date: Wed Nov 22 20:49:56 2017 New Revision: 255080 URL: https://gcc.gnu.org/viewcvs?rev=255080=gcc=rev Log: PR libgomp/83106 * target.c (gomp_target_init): Compute lengths

[Bug c++/62170] wrong quoting (and colors) for typedef diagnostics

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62170 David Malcolm changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/62170] wrong quoting (and colors) for typedef diagnostics

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62170 --- Comment #4 from David Malcolm --- Author: dmalcolm Date: Wed Nov 22 20:37:58 2017 New Revision: 255076 URL: https://gcc.gnu.org/viewcvs?rev=255076=gcc=rev Log: C/C++: fix quoting of "aka" typedef information (PR 62170) PR 62170 describes a

[Bug c++/83116] New: Statement with no effect causes wrong code of static object constexpr method

uctor body gives correct code - this is stripped version, originally there was assert(this->size() >= 0); UBSAN gives no results. This bug occurs also on 6.1.0, 6.2.0, 6.3.0, 7.1.0, 7.2.0 and today's trunk (8.0.0 20171122), as tested on compiler explorer: https://godbolt.org/g/hr4Nq4

[Bug middle-end/83074] Shared object built with `-pie --coverage' hangs forever

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83074 --- Comment #7 from Stefan Vargyas --- > > libc.so.6 is a shared library, not a PIE. It is normally linked with -shared, > just arranged to have .interp section and a meaningful e_entry in Ehdr. > PIE is something significantly different, in

[Bug c++/83115] Capturing the local variable/function parameter by value generates a compilation error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83115 --- Comment #1 from Alexander Kolesov --- The error we can see: prog.cc: In function 'void doSomething(double)': prog.cc:6:44: error: 'value' was not declared in this scope [ now = std::chrono::system_clock::now(), value]{}();

[Bug c++/83115] New: Capturing the local variable/function parameter by value generates an compilation error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83115 Bug ID: 83115 Summary: Capturing the local variable/function parameter by value generates an compilation error Product: gcc Version: 8.0 Status: UNCONFIRMED

[Bug ada/83016] gnat1: warning: command line option ‘-nostdinc++’ is valid for C++/ObjC++ but not for Ada

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83016 --- Comment #10 from Eric Botcazou --- > errm - I think I need to rebuild the host compiler so I get the proper > gnatlink to rebuild the cross compiler. Sorry. See also PR ada/81878.

[Bug fortran/79072] ICE with class(*) pointer function result and character value

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79072 --- Comment #19 from Neil Carlson --- This fixes the code of comment 12 for me. All the other test cases continue to work as expected. This can be closed as "fixed" as far as I'm concerned. Thanks Paul!

[Bug rtl-optimization/83030] [8 regression] ICE in create_pseudo_cfg, at dwarf2cfi.c:2840

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83030 Eric Botcazou changed: What|Removed |Added Component|gcov-profile|rtl-optimization --- Comment #5 from

[Bug libfortran/83097] Use __BYTE_ORDER__ instead of runtime test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83097 Janne Blomqvist changed: What|Removed |Added CC||jb at gcc dot gnu.org --- Comment #3

[Bug libfortran/83097] Use __BYTE_ORDER__ instead of runtime test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83097 --- Comment #2 from Janne Blomqvist --- Author: jb Date: Wed Nov 22 19:19:13 2017 New Revision: 255072 URL: https://gcc.gnu.org/viewcvs?rev=255072=gcc=rev Log: PR 83097 Use __BYTE_ORDER__ predefined macro instead of runtime check By using the

[Bug target/83114] [7/8 Regression] ICE in gen_vec_cmpv2dfv2di, at config/aarch64/aarch64-simd.md:2495

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83114 ktkachov at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/83114] New: [7/8 Regression] ICE in gen_vec_cmpv2dfv2di, at config/aarch64/aarch64-simd.md:2495

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83114 Bug ID: 83114 Summary: [7/8 Regression] ICE in gen_vec_cmpv2dfv2di, at config/aarch64/aarch64-simd.md:2495 Product: gcc Version: 7.2.1 Status: UNCONFIRMED

[Bug target/81228] [7/8 Regression] ICE in gen_vec_cmpv2dfv2di, at config/aarch64/aarch64-simd.md:2508

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81228 Matthias Klose changed: What|Removed |Added CC||doko at gcc dot gnu.org --- Comment #3

[Bug ada/83016] gnat1: warning: command line option ‘-nostdinc++’ is valid for C++/ObjC++ but not for Ada

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83016 --- Comment #9 from simon at pushface dot org --- errm - I think I need to rebuild the host compiler so I get the proper gnatlink to rebuild the cross compiler. Sorry.

[Bug ada/83016] gnat1: warning: command line option ‘-nostdinc++’ is valid for C++/ObjC++ but not for Ada

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83016 simon at pushface dot org changed: What|Removed |Added CC||simon at pushface dot org

[Bug target/82674] ICE with -fstack-clash-protection

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82674 Segher Boessenkool changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/83100] [8 Regression] powerpc: internal compiler error: in get_variable_section, at varasm.c:1150 with -fdata-sections

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83100 --- Comment #3 from James Clarke --- With the same example, I can reproduce on aarch64, armel, powerpc, ppc64 and ppc64el.

[Bug middle-end/82253] [6/7/8 Regression] ICE in convert_move, at expr.c:604

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82253 Jakub Jelinek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug target/83111] [sh] stack smashing detected in gen_udivsi3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83111 --- Comment #3 from Tom de Vries --- By reverting the patch, I was able to finish the build.

[Bug rtl-optimization/83095] [8 regression] many tests fail starting with r255001

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83095 seurer at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED

[Bug fortran/83113] Bogus "duplicate allocatable attribute" error for submodule character function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83113 Dominique d'Humieres changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug fortran/83113] New: Bogus "duplicate allocatable attribute" error for submodule character function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83113 Bug ID: 83113 Summary: Bogus "duplicate allocatable attribute" error for submodule character function Product: gcc Version: 7.2.0 Status: UNCONFIRMED Severity:

[Bug tree-optimization/83104] [8 Regression] ICE: Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83104 Markus Trippelsdorf changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug libgcc/83112] Silence warnings from PowerPC libgcc float128-ifunc.c compilation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83112 Michael Meissner changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug target/82190] Possibly latent miscompilation issue on ppc64le-linux-gnu for memcpy-bi.c with -fweb -fno-optimize-strlen

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82190 Segher Boessenkool changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug libgcc/83112] New: Silence warnings from PowerPC libgcc float128-ifunc.c compilation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83112 Bug ID: 83112 Summary: Silence warnings from PowerPC libgcc float128-ifunc.c compilation Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug libgomp/83106] [8 regression] libgomp/target.c:2671:2: error: ‘strncat’ specified bound 5 equals source length [-Werror=stringop-overflow=]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83106 --- Comment #6 from Andreas Schwab --- If you already know strlen (d) you can use strcpy or memcpy instead.

[Bug target/83111] [sh] stack smashing detected in gen_udivsi3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83111 Tom de Vries changed: What|Removed |Added CC||olegendo at gcc dot gnu.org --- Comment

[Bug target/82907] [8 regression] gcc.target/powerpc/p9-xxbr-1.c fails after r254464

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82907 Carl Love changed: What|Removed |Added Status|RESOLVED|CLOSED --- Comment #2 from Carl Love ---

[Bug target/83111] [sh] stack smashing detected in gen_udivsi3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83111 Tom de Vries changed: What|Removed |Added Target||sh --- Comment #1 from Tom de Vries ---

[Bug c++/80711] warn on non-const accessor member functions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80711 --- Comment #3 from Martin Sebor --- There is a warning like that in the middle-end: -Wsuggest-attribute=pure. Unfortunately, it's only good for functions that are actually emitted (i.e., not for C++ inline functions). $ cat t.C && gcc -O2 -S

[Bug tree-optimization/83104] [8 Regression] ICE: Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83104 --- Comment #4 from Marc Glisse --- Author: glisse Date: Wed Nov 22 16:44:46 2017 New Revision: 255068 URL: https://gcc.gnu.org/viewcvs?rev=255068=gcc=rev Log: Avoid two_valued_val_range_p for pointers. 2017-11-22 Marc Glisse

[Bug target/83111] New: [sh] stack smashing detected in gen_udivsi3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83111 Bug ID: 83111 Summary: [sh] stack smashing detected in gen_udivsi3 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target

[Bug target/83110] New: Relocation error when taking address of protected function in shared library.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83110 Bug ID: 83110 Summary: Relocation error when taking address of protected function in shared library. Product: gcc Version: 7.2.0 Status: UNCONFIRMED Severity:

[Bug fortran/83064] DO CONCURRENT inconsistent results

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83064 Dominique d'Humieres changed: What|Removed |Added CC||rguenth at gcc dot gnu.org ---

[Bug middle-end/83069] [8 Regression] internal compiler error: in from_gcov_type, at profile-count.h:676

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83069 --- Comment #3 from H.J. Lu --- (In reply to seurer from comment #2) > The specific revision this starts failing with is 254888. This is r254888.

[Bug middle-end/83069] [8 Regression] internal compiler error: in from_gcov_type, at profile-count.h:676

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83069 H.J. Lu changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug middle-end/83069] [8 Regression] internal compiler error: in from_gcov_type, at profile-count.h:676

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83069 --- Comment #2 from seurer at gcc dot gnu.org --- The specific revision this starts failing with is 254888.

[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 Jan Hubicka changed: What|Removed |Added Status|ASSIGNED|NEW CC|

[Bug target/82268] [8 regression] i386/pr82196-1.c fail

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82268 Jakub Jelinek changed: What|Removed |Added Keywords|wrong-code | Status|UNCONFIRMED

[Bug libgomp/83106] [8 regression] libgomp/target.c:2671:2: error: ‘strncat’ specified bound 5 equals source length [-Werror=stringop-overflow=]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83106 --- Comment #5 from Martin Sebor --- Yes, exactly. It's these unintended uses that are a common problem and that the warning is designed to help prevent. They are rare in carefully written code bases like GCC but more common in software

[Bug target/83109] New: [CET] improper code generation for builtin_longjmp with -fcf-protection -mcet

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83109 Bug ID: 83109 Summary: [CET] improper code generation for builtin_longjmp with -fcf-protection -mcet Product: gcc Version: 8.0 Status: UNCONFIRMED Severity:

[Bug middle-end/67239] [6 Regression] FAIL: 23_containers/unordered_set/insert/hash_policy.cc execution test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67239 Marek Polacek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug middle-end/67239] [6 Regression] FAIL: 23_containers/unordered_set/insert/hash_policy.cc execution test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67239 Bug 67239 depends on bug 60336, which changed state. Bug 60336 Summary: empty struct value is passed differently in C and C++ https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60336 What|Removed |Added

[Bug middle-end/67239] [6 Regression] FAIL: 23_containers/unordered_set/insert/hash_policy.cc execution test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67239 Marek Polacek changed: What|Removed |Added Status|NEW |ASSIGNED CC|

[Bug target/68355] C++ constexpr is passed on stack

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68355 Bug 68355 depends on bug 60336, which changed state. Bug 60336 Summary: empty struct value is passed differently in C and C++ https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60336 What|Removed |Added

[Bug c/53871] Please warn about endless loops if they are obvious

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53871 Eric Gallager changed: What|Removed |Added CC||david at westcontrol dot com ---

[Bug c++/60336] empty struct value is passed differently in C and C++

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60336 Marek Polacek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c/80872] There is no warning on accidental infinite loops

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80872 Eric Gallager changed: What|Removed |Added Status|SUSPENDED |RESOLVED Resolution|---

[Bug middle-end/67239] [6 Regression] FAIL: 23_containers/unordered_set/insert/hash_policy.cc execution test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67239 --- Comment #31 from Marek Polacek --- Author: mpolacek Date: Wed Nov 22 16:06:18 2017 New Revision: 255066 URL: https://gcc.gnu.org/viewcvs?rev=255066=gcc=rev Log: PR c++/60336 PR middle-end/67239 PR target/68355

[Bug target/68355] C++ constexpr is passed on stack

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68355 --- Comment #4 from Marek Polacek --- Author: mpolacek Date: Wed Nov 22 16:06:18 2017 New Revision: 255066 URL: https://gcc.gnu.org/viewcvs?rev=255066=gcc=rev Log: PR c++/60336 PR middle-end/67239 PR target/68355

[Bug c++/60336] empty struct value is passed differently in C and C++

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60336 --- Comment #50 from Marek Polacek --- Author: mpolacek Date: Wed Nov 22 16:06:18 2017 New Revision: 255066 URL: https://gcc.gnu.org/viewcvs?rev=255066=gcc=rev Log: PR c++/60336 PR middle-end/67239 PR target/68355

[Bug c++/82401] [8 Regression] error: qsort comparator non-negative on sorted output: 1 in insert_late_enum_def_bindings on an invalid code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82401 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug libgomp/83106] [8 regression] libgomp/target.c:2671:2: error: ‘strncat’ specified bound 5 equals source length [-Werror=stringop-overflow=]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83106 --- Comment #4 from Jakub Jelinek --- (In reply to Martin Sebor from comment #3) > The warning for strncat helps find similar bugs as for strncpy: defeating > the size constraint by specifying the length of the source rather than the > amount of

[Bug tree-optimization/66264] [untaken optimization] switch & enums without default-case

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66264 Martin Jambor changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug c++/59930] template friend declarations, namespaces, and explicit instantiations don't mix

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59930 --- Comment #2 from Nathan Sidwell --- When we parse the template friend declaration, we're not injecting an invisible template decl into the enclosing namespace. When we instantiate the template we do an unqualified lookup (and ask for hidden

[Bug tree-optimization/83007] [8 Regression] -Wstringop-overflow false positive

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83007 Martin Sebor changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug libgomp/83106] [8 regression] libgomp/target.c:2671:2: error: ‘strncat’ specified bound 5 equals source length [-Werror=stringop-overflow=]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83106 --- Comment #3 from Martin Sebor --- The warning for strncat helps find similar bugs as for strncpy: defeating the size constraint by specifying the length of the source rather than the amount of space in the destination: strncat (d, s,

[Bug tree-optimization/83007] [8 Regression] -Wstringop-overflow false positive

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83007 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #3

[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 --- Comment #4 from Richard Biener --- I don't have any good ideas here. Fortran with allocated arrays tends to use quite some integer registers for all the IV setup and computation. One can experiment with less peeling of vector epilogues

[Bug c/83108] Unaligned 128bit dereference causes segfault with -O2 on x86-64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83108 --- Comment #4 from Markus Trippelsdorf --- (In reply to Jon Levell from comment #3) > I'm surprised this was closed invalid. > > "While the x86 architecture originally did not require aligned memory > access, and still works without it, some

[Bug libgomp/83106] [8 regression] libgomp/target.c:2671:2: error: ‘strncat’ specified bound 5 equals source length [-Werror=stringop-overflow=]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83106 Martin Sebor changed: What|Removed |Added CC||mliska at suse dot cz --- Comment #2

[Bug c/83108] Unaligned 128bit dereference causes segfault with -O2 on x86-64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83108 --- Comment #3 from Jon Levell --- I'm surprised this was closed invalid. "While the x86 architecture originally did not require aligned memory access, and still works without it, some SSE2 instructions on x86 CPUs do require the data to be

[Bug c/83108] Unaligned 128bit dereference causes segfault with -O2 on x86-64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83108 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug c/83108] Unaligned 128bit dereference causes segfault with -O2 on x86-64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83108 --- Comment #1 from Jon Levell --- Created attachment 42682 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42682=edit Plain source file

[Bug c/83108] New: Unaligned 128bit dereference causes segfault with -O2 on x86-64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83108 Bug ID: 83108 Summary: Unaligned 128bit dereference causes segfault with -O2 on x86-64 Product: gcc Version: 7.2.1 Status: UNCONFIRMED Severity: normal

[Bug go/83102] [8 Regression] go bootstrap error in ast-dump.cc due to __is_invocable failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83102 Ian Lance Taylor changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

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