[Bug target/80870] [7 Regression] ICE building 7.1.0 sh-elf crosscompiler on macOS

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80870 --- Comment #4 from Oleg Endo --- Right, thanks for checking. Can you please try out this patch: Index: gcc/config/sh/sh_optimize_sett_clrt.cc === ---

[Bug tree-optimization/83501] [8 Regression] strlen(a) not folded after strcpy(a, "...")

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83501 --- Comment #9 from prathamesh3492 at gcc dot gnu.org --- Author: prathamesh3492 Date: Sun Jan 14 08:58:58 2018 New Revision: 256657 URL: https://gcc.gnu.org/viewcvs?rev=256657=gcc=rev Log: 2018-01-14 Prathamesh Kulkarni

[Bug ipa/83051] [8 Regression] ICE on valid code at -O3: in edge_badness, at ipa-inline.c:1024

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83051 --- Comment #6 from Jan Hubicka --- The patch fixes overfow so we no longer ICE, but we probably should try to prevent branch prediction to predict loop to iterate so many times by special casing very deep loop nests.

[Bug c++/83835] New: constexpr constructor rejected in c++17 mode (regression WRT c++14)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83835 Bug ID: 83835 Summary: constexpr constructor rejected in c++17 mode (regression WRT c++14) Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug target/80870] [7 Regression] ICE building 7.1.0 sh-elf crosscompiler on macOS

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80870 --- Comment #5 from Anders Montonen --- With the patch from comment 4, the GCC 7 branch builds successfully.

[Bug rtl-optimization/83628] [8 Regression] performance regression when accessing arrays on alpha

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83628 Uroš Bizjak changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug ipa/83051] [8 Regression] ICE on valid code at -O3: in edge_badness, at ipa-inline.c:1024

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83051 --- Comment #5 from Jan Hubicka --- Author: hubicka Date: Sun Jan 14 11:20:31 2018 New Revision: 256659 URL: https://gcc.gnu.org/viewcvs?rev=256659=gcc=rev Log: PR ipa/83051 * gcc.c-torture/compile/pr83051.c: New testcase.

[Bug libstdc++/83834] [6/7/8 Regression] FAIL: libstdc++-abi/abi_check

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83834 H.J. Lu changed: What|Removed |Added CC||jwakely.gcc at gmail dot com --- Comment #2

[Bug target/83831] New: [6/7/8 Regression][RX] Unused bclr,bnot,bset insns

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83831 Bug ID: 83831 Summary: [6/7/8 Regression][RX] Unused bclr,bnot,bset insns Product: gcc Version: 6.4.1 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug target/83828] FAIL: gcc.target/i386/avx512vpopcntdqvl-vpopcntq-1.c execution test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83828 --- Comment #1 from H.J. Lu --- On GCC 7 branch, I got FAIL: gcc.target/i386/avx512vl-vpermb-2.c execution test FAIL: gcc.target/i386/avx512vl-vpermb-2.c execution test FAIL: gcc.target/i386/avx512vl-vpermi2b-2.c execution test FAIL:

[Bug libstdc++/83830] has_unique_object_representations_v is missing

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83830 --- Comment #1 from Daniel Krügler --- Looks like an oversight on my side when I implemented http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0607r0.html for gcc.

[Bug libstdc++/83834] [6/7/8 Regression] FAIL: libstdc++-abi/abi_check

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83834 H.J. Lu changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/80846] auto-vectorized AVX2 horizontal sum should narrow to 128b right away, to be more efficient for Ryzen and Intel

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80846 Peter Cordes changed: What|Removed |Added Status|RESOLVED|REOPENED Resolution|FIXED

[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 80846, which changed state. Bug 80846 Summary: auto-vectorized AVX2 horizontal sum should narrow to 128b right away, to be more efficient for Ryzen and Intel https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80846

[Bug target/80846] auto-vectorized AVX2 horizontal sum should narrow to 128b right away, to be more efficient for Ryzen and Intel

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80846 --- Comment #22 from Peter Cordes --- Forgot the Godbolt link with updated cmdline options: https://godbolt.org/g/FCZAEj.

[Bug libstdc++/83834] New: [6/7/8 Regression] FAIL: libstdc++-abi/abi_check

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83834 Bug ID: 83834 Summary: [6/7/8 Regression] FAIL: libstdc++-abi/abi_check Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug rtl-optimization/83628] [8 Regression] performance regression when accessing arrays on alpha

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83628 --- Comment #10 from uros at gcc dot gnu.org --- Author: uros Date: Sun Jan 14 15:45:38 2018 New Revision: 256665 URL: https://gcc.gnu.org/viewcvs?rev=256665=gcc=rev Log: Backport from mainline 2018-01-12 Uros Bizjak

[Bug target/83832] New: [RX] Improve bittests

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83832 Bug ID: 83832 Summary: [RX] Improve bittests Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: target

[Bug ipa/83532] [8 Regression] ICE in apply_scale, at profile-count.h:955

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83532 --- Comment #4 from Martin Liška --- Yes, I can confirm python3-base package now builds fine.

[Bug c/83842] New: extend -Wmemset-elt-size to memcpy and memmove

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83842 Bug ID: 83842 Summary: extend -Wmemset-elt-size to memcpy and memmove Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug c/83842] extend -Wmemset-elt-size to memcpy and memmove

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83842 Martin Sebor changed: What|Removed |Added Keywords||diagnostic See Also|

[Bug libfortran/83811] fortran 'e' format broken for single digit exponents

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83811 --- Comment #5 from Jerry DeLisle --- Author: jvdelisle Date: Sun Jan 14 21:44:50 2018 New Revision: 256675 URL: https://gcc.gnu.org/viewcvs?rev=256675=gcc=rev Log: 2018-01-14 Jerry DeLisle Backport from trunk

[Bug bootstrap/83839] New: bootstrap fails in gcc/config/i386/i386.c on darwin

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83839 Bug ID: 83839 Summary: bootstrap fails in gcc/config/i386/i386.c on darwin Product: gcc Version: 8.0 Status: UNCONFIRMED Keywords: build Severity: normal

[Bug bootstrap/83839] bootstrap fails in gcc/config/i386/i386.c on darwin

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83839 --- Comment #1 from H.J. Lu --- Created attachment 43124 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43124=edit Try this patch

[Bug c/83840] New: missing -Wmemset-elt-size with address of array element

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83840 Bug ID: 83840 Summary: missing -Wmemset-elt-size with address of array element Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug c/83841] New: missing -Wmemset-elt-size with array element plus offset

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83841 Bug ID: 83841 Summary: missing -Wmemset-elt-size with array element plus offset Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug libstdc++/83833] New: chi_squared_distribution::param() forgot to change the member gamma_distribution

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83833 Bug ID: 83833 Summary: chi_squared_distribution::param() forgot to change the member gamma_distribution Product: gcc Version: 8.0 Status: UNCONFIRMED Severity:

[Bug libfortran/83811] fortran 'e' format broken for single digit exponents

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83811 Jerry DeLisle changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/81327] [8 Regression] cast to void* does not suppress -Wclass-memaccess

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81327 --- Comment #17 from Martin Sebor --- Author: msebor Date: Sun Jan 14 21:54:25 2018 New Revision: 256677 URL: https://gcc.gnu.org/viewcvs?rev=256677=gcc=rev Log: PR c++/81327 - cast to void* does not suppress -Wclass-memaccess gcc/ChangeLog:

[Bug c++/83588] [6/7/8 Regression] struct with two flexible arrays causes an internal compiler error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83588 Martin Sebor changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug c/83841] missing -Wmemset-elt-size with array element plus offset

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83841 Martin Sebor changed: What|Removed |Added Keywords||diagnostic See Also|

[Bug target/83677] PPC: The xxpermr instruction is not generated correctly

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83677 --- Comment #4 from Bill Schmidt --- Author: wschmidt Date: Sun Jan 14 17:47:30 2018 New Revision: 256670 URL: https://gcc.gnu.org/viewcvs?rev=256670=gcc=rev Log: [gcc] 2018-01-14 Bill Schmidt Backport

[Bug middle-end/83837] [8 regression] libgomp.fortran/pointer[12].f90 FAIL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83837 Rainer Orth changed: What|Removed |Added Target Milestone|--- |8.0

[Bug middle-end/83837] New: [8 regression] libgomp.fortran/pointer[12].f90 FAIL

: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: ro at gcc dot gnu.org Target Milestone: --- Between 20180112 (r256571) and 20180114 (r256664), two libgomp tests started to FAIL. I'm seeing it on Solaris/SPARC and x86, but according to gcc-testresults

[Bug target/80846] auto-vectorized AVX2 horizontal sum should narrow to 128b right away, to be more efficient for Ryzen and Intel

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80846 Rainer Orth changed: What|Removed |Added CC||ro at gcc dot gnu.org --- Comment #23

[Bug libfortran/83811] fortran 'e' format broken for single digit exponents

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83811 --- Comment #4 from Jerry DeLisle --- Author: jvdelisle Date: Sun Jan 14 17:36:29 2018 New Revision: 256669 URL: https://gcc.gnu.org/viewcvs?rev=256669=gcc=rev Log: 2018-01-18 Jerry DeLisle PR

[Bug target/83838] Many gcc.target/i386/indirect-thunk*.c tests FAIL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83838 H.J. Lu changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug target/80846] auto-vectorized AVX2 horizontal sum should narrow to 128b right away, to be more efficient for Ryzen and Intel

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80846 --- Comment #24 from Rainer Orth --- The new gcc.target/i386/pr80846-1.c testcase FAILs on Solaris/x86 (32 and 64-bit): +FAIL: gcc.target/i386/pr80846-1.c scan-assembler-times vextracti 2 (found 1 times) Assembler output attached. Rainer

[Bug tree-optimization/83836] New: [8 regression] gcc.dg/vect/pr79920.c FAILs

-gnu, mips64el-unknown-linux-gnu Between 20180112 (r256571) and 20180114 (r256664), the gcc.dg/vect/pr79920.c test started to FAIL on a couple of targets: +FAIL: gcc.dg/vect/pr79920.c -flto -ffat-lto-objects scan-tree-dump-times vect "using an in-order (fold

[Bug tree-optimization/83836] [8 regression] gcc.dg/vect/pr79920.c FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83836 Rainer Orth changed: What|Removed |Added Target Milestone|--- |8.0

[Bug rtl-optimization/80481] Unoptimal additional copy instructions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80481 Rainer Orth changed: What|Removed |Added CC||ro at gcc dot gnu.org --- Comment #4 from

[Bug libstdc++/81092] Missing symbols for new std::wstring constructors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81092 --- Comment #15 from Andreas Schwab --- Author: schwab Date: Sun Jan 14 17:32:20 2018 New Revision: 256668 URL: https://gcc.gnu.org/viewcvs?rev=256668=gcc=rev Log: PR libstdc++/81092 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt:

[Bug target/83677] PPC: The xxpermr instruction is not generated correctly

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83677 --- Comment #5 from Bill Schmidt --- Author: wschmidt Date: Sun Jan 14 17:49:39 2018 New Revision: 256671 URL: https://gcc.gnu.org/viewcvs?rev=256671=gcc=rev Log: [gcc] 2018-01-14 Bill Schmidt Backport

[Bug target/83677] PPC: The xxpermr instruction is not generated correctly

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83677 Bill Schmidt changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug rtl-optimization/80481] Unoptimal additional copy instructions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80481 --- Comment #5 from Rainer Orth --- Created attachment 43121 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43121=edit i386-pc-solaris2.11 -m64 assembler output

[Bug target/83838] Many gcc.target/i386/indirect-thunk*.c tests FAIL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83838 Rainer Orth changed: What|Removed |Added Target Milestone|--- |8.0

[Bug target/83838] New: Many gcc.target/i386/indirect-thunk*.c tests FAIL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83838 Bug ID: 83838 Summary: Many gcc.target/i386/indirect-thunk*.c tests FAIL Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug target/83838] Many gcc.target/i386/indirect-thunk*.c tests FAIL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83838 --- Comment #1 from Rainer Orth --- Created attachment 43123 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43123=edit i386-pc-solaris2.11 -m32 assembler output

[Bug target/83838] Many gcc.target/i386/indirect-thunk*.c tests FAIL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83838 --- Comment #2 from H.J. Lu --- Solaris fails these tests due to sol2.h:#define USE_HIDDEN_LINKONCE 0 We can limit these tests to Linux only.

[Bug sanitizer/83356] [7 Regression] excessive stack usage compiling with -O2 -fsanitize=bounds -fsanitize=object-size

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83356 --- Comment #12 from Arnd Bergmann --- Unfortunately that patch caused a regression (nothing to do with the compiler really, just the way powerpc linux uses some libgcc functions), and I've done some more investigation. The new finding is that

[Bug fortran/82007] DTIO write format stored in a string leads to severe errors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82007 --- Comment #8 from Jerry DeLisle --- Should I backport this to 7?

[Bug c/51628] __attribute__((packed)) is unsafe in some cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51628 --- Comment #38 from H.J. Lu --- A patch is posted at https://gcc.gnu.org/ml/gcc-patches/2018-01/msg01237.html

[Bug c/83843] New: [8 Regression] wrong code at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83843 Bug ID: 83843 Summary: [8 Regression] wrong code at -O2 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug other/83508] [8 regression][arm] c-c++-common/Wrestrict.c fails since r255836

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83508 --- Comment #4 from Jeffrey A. Law --- Author: law Date: Mon Jan 15 06:15:09 2018 New Revision: 256683 URL: https://gcc.gnu.org/viewcvs?rev=256683=gcc=rev Log: PR other/83508 * builtins.c (check_access): Avoid warning when the

[Bug tree-optimization/83843] [8 Regression] wrong code at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83843 Andrew Pinski changed: What|Removed |Added Keywords||wrong-code Target|

[Bug other/83508] [8 regression][arm] c-c++-common/Wrestrict.c fails since r255836

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83508 Jeffrey A. Law changed: What|Removed |Added Status|ASSIGNED|RESOLVED CC|

[Bug target/43462] Suboptimal switch table jump generation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43462 Oleg Endo changed: What|Removed |Added CC||olegendo at gcc dot gnu.org --- Comment #2

[Bug lto/83816] [7 Regression] lto1: internal compiler error: compressed stream: data error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83816 --- Comment #1 from Oleg Endo --- Hmm ... if the program is changed in some places, it can also be triggered on GCC 6.4. It seems it happens when adding/removing function calls inside of C++ lambda functions ... how to find the cause?

[Bug target/83013] MicroBlaze - #ident - Error: operation combines symbols in different segments

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83013 Jeffrey A. Law changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug target/80846] auto-vectorized AVX2 horizontal sum should narrow to 128b right away, to be more efficient for Ryzen and Intel

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80846 --- Comment #25 from Peter Cordes --- We're getting a spill/reload inside the loop with AVX512: .L2: vmovdqa64 (%esp), %zmm3 vpaddd (%eax), %zmm3, %zmm2 addl$64, %eax vmovdqa64 %zmm2, (%esp)

[Bug target/83013] MicroBlaze - #ident - Error: operation combines symbols in different segments

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83013 --- Comment #3 from Jeffrey A. Law --- Author: law Date: Mon Jan 15 06:02:19 2018 New Revision: 256681 URL: https://gcc.gnu.org/viewcvs?rev=256681=gcc=rev Log: PR target/83013 * config/microblaze/microblaze.c

[Bug rtl-optimization/80463] [6/7/8 Regression] ICE with -fselective-scheduling2 and -fvar-tracking-assignments

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80463 Arseny Solokha changed: What|Removed |Added CC||asolokha at gmx dot com --- Comment #8