[Bug tree-optimization/78154] memcpy et al can be assumed to return non-null

2016-10-29 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78154 --- Comment #2 from Andrew Pinski --- Funny I thought this was fixed already but I was wrong. Anyways I had posted a patch over 4 years ago for this: https://gcc.gnu.org/ml/gcc-patches/2012-09/msg00056.html IIRC the reason why I wrote this patch

[Bug fortran/78152] coarray and associate

2016-10-29 Thread kargl at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78152 kargl at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/77948] Option processing of -std=c++11 -std=gnu++11 doesn't reset ext_numeric_literals

2016-10-29 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77948 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug c++/77948] Option processing of -std=c++11 -std=gnu++11 doesn't reset ext_numeric_literals

2016-10-29 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77948 --- Comment #3 from Jakub Jelinek --- Created attachment 39920 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39920&action=edit gcc7-pr77948-2.patch Alternate patch. As the gcc/g++ drivers reorder options (-std=*, present anywhere on the

[Bug sanitizer/78158] New: Strange data race detection with thread sanitizer

2016-10-29 Thread morandidodo at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78158 Bug ID: 78158 Summary: Strange data race detection with thread sanitizer Product: gcc Version: 6.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug tree-optimization/78148] [7 Regression] r241649 causes -fcompare-debug failure on ppc64le

2016-10-29 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78148 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug tree-optimization/78148] [7 Regression] r241649 causes -fcompare-debug failure on ppc64le

2016-10-29 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78148 --- Comment #1 from Jakub Jelinek --- Created attachment 39921 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39921&action=edit gcc7-pr78148.patch Untested fix. Hopefully it will also fix the ada bootstrap failure on x86_64-linux.

[Bug target/78105] ICE during LTO bootstrap on AARCH64 with gold linker

2016-10-29 Thread tulipawn at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78105 PeteVine changed: What|Removed |Added Summary|ICE during LTO bootstrap on |ICE during LTO bootstrap on

[Bug tree-optimization/78148] [7 Regression] r241649 causes -fcompare-debug failure on ppc64le

2016-10-29 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78148 --- Comment #2 from Jakub Jelinek --- Author: jakub Date: Sat Oct 29 15:55:50 2016 New Revision: 241679 URL: https://gcc.gnu.org/viewcvs?rev=241679&root=gcc&view=rev Log: PR target/78148 * gimple-ssa-store-merging.c (imm_

[Bug gcov-profile/78086] FAIL: gcc.misc-tests/gcov-1.c, etc

2016-10-29 Thread danglin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78086 --- Comment #7 from John David Anglin --- The proposed patch fixes all the gcov tests.

[Bug ada/78159] New: a-teioed.adb:2724:4: error: alignment of array elements is greater than element size

2016-10-29 Thread danglin at gcc dot gnu.org
anguages=c,c++,objc,fortran,obj-c++,ada,lto,go Thread model: posix gcc version 7.0.0 20161029 (experimental) [trunk revision 241674] (GCC) r241609 was okay.

[Bug ada/78159] a-teioed.adb:2724:4: error: alignment of array elements is greater than element size

2016-10-29 Thread sch...@linux-m68k.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78159 Andreas Schwab changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/78160] New: explicit template instantation with hidden symbols fails

2016-10-29 Thread gcc at ebasoft dot com.pl
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78160 Bug ID: 78160 Summary: explicit template instantation with hidden symbols fails Product: gcc Version: 6.2.0 Status: UNCONFIRMED Severity: normal Prior

[Bug libstdc++/78156] constexpr basic_string_view::basic_string_view(const charT *) calls non-constexpr char_traits::length

2016-10-29 Thread daniel.kruegler at googlemail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78156 Daniel Krügler changed: What|Removed |Added CC||daniel.kruegler@googlemail.

[Bug rtl-optimization/77919] [5/6/7 Regression] ICE converting DC to V2DF mode

2016-10-29 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77919 --- Comment #8 from Jakub Jelinek --- Author: jakub Date: Sat Oct 29 20:22:36 2016 New Revision: 241681 URL: https://gcc.gnu.org/viewcvs?rev=241681&root=gcc&view=rev Log: PR rtl-optimization/77919 * expr.c (expand_expr_real_1) :

[Bug rtl-optimization/77919] [5/6 Regression] ICE converting DC to V2DF mode

2016-10-29 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77919 Jakub Jelinek changed: What|Removed |Added Summary|[5/6/7 Regression] ICE |[5/6 Regression] ICE |

[Bug tree-optimization/78148] [7 Regression] r241649 causes -fcompare-debug failure on ppc64le

2016-10-29 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78148 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug rtl-optimization/78132] [7 Regression] GCC produces invalid instruction (kmovd and kmovq) for KNL.

2016-10-29 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78132 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug libstdc++/78156] constexpr basic_string_view::basic_string_view(const charT *) calls non-constexpr char_traits::length

2016-10-29 Thread suokkos at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78156 --- Comment #2 from Pauli --- Maybe this isn't exactly defect. But constexpr is hard beast to get right in any code. For user code simplest workaround would be remembering to use operator""sv everywhere. Too bad accessing those operator seems to

[Bug middle-end/78025] [5/6 Regression] ICE in simd_clone_adjust, at omp-simd-clone.c:1126

2016-10-29 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78025 Jakub Jelinek changed: What|Removed |Added Summary|[5/6/7 Regression] ICE in |[5/6 Regression] ICE in

[Bug fortran/77872] [5/6/7 Regression] ICE in gfc_conv_descriptor_token, at fortran/trans-array.c:305

2016-10-29 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77872 Jakub Jelinek changed: What|Removed |Added Priority|P3 |P4 CC|

[Bug fortran/77871] [5/6/7 Regression] ICE in gfc_get_caf_token_offset, at fortran/trans-expr.c:1981

2016-10-29 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77871 Jakub Jelinek changed: What|Removed |Added Priority|P3 |P4 CC|

[Bug other/78161] New: contrib/download_prerequisites fails on MacOS, Lubuntu, and Windows

2016-10-29 Thread damian at sourceryinstitute dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78161 Bug ID: 78161 Summary: contrib/download_prerequisites fails on MacOS, Lubuntu, and Windows Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal

[Bug debug/78112] [7 regression] invalid DWARF generated by the compiler: DIE has multiple AT_inline attributes

2016-10-29 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78112 --- Comment #8 from Jakub Jelinek --- Created attachment 39923 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39923&action=edit pr78112.ii Reduced testcase, on x86_64-linux with -g -dA one can see on a single DIE (so it isn't just DW_AT_in

[Bug c++/63349] ICE with template in get_narrower fold-const.c

2016-10-29 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63349 Andrew Pinski changed: What|Removed |Added Status|NEW |RESOLVED Known to work|

[Bug tree-optimization/78162] New: ICE on invalid code at -Os and above on x86_64-linux-gnu: Segmentation fault

2016-10-29 Thread su at cs dot ucdavis.edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78162 Bug ID: 78162 Summary: ICE on invalid code at -Os and above on x86_64-linux-gnu: Segmentation fault Product: gcc Version: unknown Status: UNCONFIRMED Severity:

[Bug sanitizer/77538] segmentation fault: thread sanitizer shadow stack overflow

2016-10-29 Thread coollpe at hotmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77538 --- Comment #10 from peien luo --- It's a centOS7, kernel has been updated to 3.10.0-327.36.3.el7.x86_64, the problem still occurs. Some new findings: 1, With gcc 4.8.5, it runs fine for this specific case. 2, With gcc 4.9.4, it stucks at some p

[Bug sanitizer/77538] segmentation fault: thread sanitizer shadow stack overflow

2016-10-29 Thread coollpe at hotmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77538 --- Comment #11 from peien luo --- Sorry for the previous comment regarding running in gdb. the result seems to be random: Sometimes it can runs fine Sometimes it gets a SEGFAULT in calling to a function, gdb says: 0x7ff0fa19b466 <+22>:

[Bug target/62191] extra shift generated for vector integer division by constant 2

2016-10-29 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62191 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug middle-end/62206] Gcc doesn't optimize methods in template class, even when they don't depend on the template variable

2016-10-29 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62206 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Component|c++