[Bug go/82284] [7 Regression] go -version segfaults on big endian architectures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82284 --- Comment #9 from Matthias Klose --- yes, that's fixing it

[Bug tree-optimization/82291] New: wrong code at -O3 on x86_64-linux-gnu

/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/8.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc-source-trunk/configure --enable-languages=c,c++,lto --prefix=/home/su/software/tmp/gcc/gcc-trunk --disable-bootstrap Thread model: posix gcc version 8.0.0 20170921 (experimental) [trunk

[Bug rtl-optimization/82290] New: ICE at -O2 on x86_64-linux-gnu: verify_flow_info failed

-linux-gnu/8.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc-source-trunk/configure --enable-languages=c,c++,lto --prefix=/home/su/software/tmp/gcc/gcc-trunk --disable-bootstrap Thread model: posix gcc version 8.0.0 20170921 (experimental) [trunk revision 253084] (GCC) $ $ gcctk -Os

[Bug tree-optimization/82289] New: ICE at -O3 on x86_64-linux-gnu: in vect_get_num_copies, at tree-vectorizer.h:1093

/libexec/gcc/x86_64-pc-linux-gnu/8.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc-source-trunk/configure --enable-languages=c,c++,lto --prefix=/home/su/software/tmp/gcc/gcc-trunk --disable-bootstrap Thread model: posix gcc version 8.0.0 20170921 (experimental) [trunk revision

[Bug libstdc++/82287] When compiling with O2 or O3, memory model rejected

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82287 Geof Sawaya changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/82288] New: Defining a type in a parameter type of a lambda calling an undefined function results in a Segfault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82288 Bug ID: 82288 Summary: Defining a type in a parameter type of a lambda calling an undefined function results in a Segfault Product: gcc Version: 7.2.0 Status: UNCONFIRMED

[Bug libstdc++/82287] New: When compiling with O2 or O3, memory model rejected

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82287 Bug ID: 82287 Summary: When compiling with O2 or O3, memory model rejected Product: gcc Version: 4.9.4 Status: UNCONFIRMED Severity: normal Priority: P3 Componen

[Bug tree-optimization/71702] dr_group_sort_cmp violates transitivity required for qsort

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71702 Alexander Monakov changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/71702] dr_group_sort_cmp violates transitivity required for qsort

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71702 --- Comment #8 from Alexander Monakov --- Author: amonakov Date: Thu Sep 21 21:56:16 2017 New Revision: 253081 URL: https://gcc.gnu.org/viewcvs?rev=253081&root=gcc&view=rev Log: PR tree-optimization/71702 Backport r230667 2015-1

[Bug c/82286] New: Wrong array subscript is above array bounds

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82286 Bug ID: 82286 Summary: Wrong array subscript is above array bounds Product: gcc Version: 7.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug fortran/82258] [8 regression] allocate_zerosize_3.f fails since r251949

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82258 --- Comment #7 from Christophe Lyon --- Created attachment 4 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=4&action=edit execution traces

[Bug fortran/82258] [8 regression] allocate_zerosize_3.f fails since r251949

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82258 --- Comment #6 from Christophe Lyon --- Created attachment 42221 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42221&action=edit executable

[Bug fortran/82258] [8 regression] allocate_zerosize_3.f fails since r251949

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82258 --- Comment #5 from Christophe Lyon --- Created attachment 42220 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42220&action=edit object file

[Bug fortran/82258] [8 regression] allocate_zerosize_3.f fails since r251949

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82258 --- Comment #4 from Christophe Lyon --- Created attachment 42219 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42219&action=edit assembly file Compiled with -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions

[Bug fortran/82258] [8 regression] allocate_zerosize_3.f fails since r251949

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82258 --- Comment #3 from Christophe Lyon --- The logs are not very helpful here is what I can see in gfortran.log: Execution timeout is: 300 spawn [open ...]^M Program aborted. Backtrace: qemu: uncaught target signal 6 (Aborted) - core dumped I

[Bug testsuite/81539] Bad target in new test case gcc.target/powerpc/mmx-packuswb-1.c from r250432

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81539 Steven Munroe changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug ipa/81360] [8 Regression] ice in estimate_edge_growth, at ipa-inline.h:86

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81360 --- Comment #4 from David Binderman --- (In reply to David Binderman from comment #3) > (In reply to Martin Liška from comment #2) > > Confirmed, started with r250048. > > Still going wrong, nearly a month later. Still broken another month late

[Bug target/43763] segfault when using by -mwarn-cell-microcode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43763 Segher Boessenkool changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug fortran/82275] gfortran rejects valid & accepts invalid reference to dimension-remapped type SELECT TYPE selector

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82275 --- Comment #3 from Damian Rouson --- Thanks for looking at this. Once there's a fix, it would be great if it could be back-ported to GCC 7 as well.

[Bug fortran/82258] [8 regression] allocate_zerosize_3.f fails since r251949

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82258 Paul Thomas changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |pault at gcc dot gnu.org --- Commen

[Bug c/82285] New: Optimizing error when using enumeration

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82285 Bug ID: 82285 Summary: Optimizing error when using enumeration Product: gcc Version: 7.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug go/82284] [7 Regression] go -version segfaults on big endian architectures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82284 --- Comment #8 from Matthias Klose --- starting a build before heading to bed ...

[Bug go/82284] [7 Regression] go -version segfaults on big endian architectures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82284 --- Comment #7 from Ian Lance Taylor --- Probably fixed the bug on trunk. Want to try the patch I just committed?

[Bug go/82284] [7 Regression] go -version segfaults on big endian architectures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82284 --- Comment #6 from ian at gcc dot gnu.org --- Author: ian Date: Thu Sep 21 18:44:39 2017 New Revision: 253078 URL: https://gcc.gnu.org/viewcvs?rev=253078&root=gcc&view=rev Log: PR go/82284 * elf.c (backtrace_initialize): Set pd.

[Bug fortran/82258] [8 regression] allocate_zerosize_3.f fails since r251949

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82258 Thomas Koenig changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug go/82284] [7 Regression] go -version segfaults on big endian architectures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82284 --- Comment #5 from Matthias Klose --- I checked with trunk 20170917, but I backported your patch for PR sanitizer/77631 to the gcc-7-branch. I'm building current trunk now. So sthis is a 8, not 7 regression.

[Bug tree-optimization/78512] [7 Regression] r242674 miscompiles Linux kernel

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78512 --- Comment #8 from Paul Thomas --- Author: pault Date: Thu Sep 21 18:40:21 2017 New Revision: 253077 URL: https://gcc.gnu.org/viewcvs?rev=253077&root=gcc&view=rev Log: 2017-09-21 Paul Thomas PR fortran/52832 * match.c (gfc_m

[Bug fortran/80120] [7/8 Regression] Incorrect error with associate construct and character array

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80120 --- Comment #3 from Paul Thomas --- Author: pault Date: Thu Sep 21 18:40:21 2017 New Revision: 253077 URL: https://gcc.gnu.org/viewcvs?rev=253077&root=gcc&view=rev Log: 2017-09-21 Paul Thomas PR fortran/52832 * match.c (gfc_m

[Bug fortran/81903] [OOP] problem with ASSOCIATE and class pointer (Invalid character in name at)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81903 --- Comment #4 from Paul Thomas --- Author: pault Date: Thu Sep 21 18:40:21 2017 New Revision: 253077 URL: https://gcc.gnu.org/viewcvs?rev=253077&root=gcc&view=rev Log: 2017-09-21 Paul Thomas PR fortran/52832 * match.c (gfc_m

[Bug fortran/82121] [7/8 Regression] Unclassifiable statement during compilation when assigning to a Character array in a derived type contained in a ASSOCIATE statement

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82121 --- Comment #2 from Paul Thomas --- Author: pault Date: Thu Sep 21 18:40:21 2017 New Revision: 253077 URL: https://gcc.gnu.org/viewcvs?rev=253077&root=gcc&view=rev Log: 2017-09-21 Paul Thomas PR fortran/52832 * match.c (gfc_m

[Bug fortran/78152] [6/7/8 Regression] coarray and associate

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78152 --- Comment #14 from Paul Thomas --- Author: pault Date: Thu Sep 21 18:40:21 2017 New Revision: 253077 URL: https://gcc.gnu.org/viewcvs?rev=253077&root=gcc&view=rev Log: 2017-09-21 Paul Thomas PR fortran/52832 * match.c (gfc_

[Bug fortran/67543] ICE on associate with improper association

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67543 --- Comment #2 from Paul Thomas --- Author: pault Date: Thu Sep 21 18:40:21 2017 New Revision: 253077 URL: https://gcc.gnu.org/viewcvs?rev=253077&root=gcc&view=rev Log: 2017-09-21 Paul Thomas PR fortran/52832 * match.c (gfc_m

[Bug fortran/52832] [F03] ASSOCIATE construct with proc-pointer selector is rejected

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52832 --- Comment #5 from Paul Thomas --- Author: pault Date: Thu Sep 21 18:40:21 2017 New Revision: 253077 URL: https://gcc.gnu.org/viewcvs?rev=253077&root=gcc&view=rev Log: 2017-09-21 Paul Thomas PR fortran/52832 * match.c (gfc_m

[Bug go/82284] [7 Regression] go -version segfaults on big endian architectures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82284 --- Comment #4 from Ian Lance Taylor --- (Never mind, it's my elf.c that has the local changes. Sorry.)

[Bug go/82284] [7 Regression] go -version segfaults on big endian architectures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82284 --- Comment #3 from Ian Lance Taylor --- Your line numbers in libbacktrace/elf.c do not match the ones on trunk. Do you have local patches to that file?

[Bug go/82284] [7 Regression] go -version segfaults on big endian architectures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82284 --- Comment #2 from Ian Lance Taylor --- This is most likely due to https://gcc.gnu.org/ml/gcc-patches/2017-09/msg01412.html .

[Bug fortran/82275] gfortran rejects valid & accepts invalid reference to dimension-remapped type SELECT TYPE selector

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82275 Paul Thomas changed: What|Removed |Added Summary|gfortran rejects valid &|gfortran rejects valid &

[Bug go/82284] [7 Regression] go -version segfaults on big endian architectures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82284 --- Comment #1 from Matthias Klose --- looks like there are no go or libgo specific changes

[Bug target/82242] IRA spills allocno in loop body if it crosses throwing call outside the loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82242 Alexander Monakov changed: What|Removed |Added Summary|x86_64 bad optimization |IRA spills allocno in loop

[Bug go/82284] New: [7 Regression] go -version segfaults on big endian architectures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82284 Bug ID: 82284 Summary: [7 Regression] go -version segfaults on big endian architectures Product: gcc Version: 7.2.1 Status: UNCONFIRMED Severity: normal

[Bug libquadmath/81848] Add PowerPC support to libquadmath

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81848 Michael Meissner changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c/81882] attribute ifunc documentation uses invalid code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81882 Martin Sebor changed: What|Removed |Added Status|ASSIGNED|RESOLVED See Also|

[Bug c/81882] attribute ifunc documentation uses invalid code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81882 --- Comment #3 from Martin Sebor --- Author: msebor Date: Thu Sep 21 17:19:16 2017 New Revision: 253076 URL: https://gcc.gnu.org/viewcvs?rev=253076&root=gcc&view=rev Log: PR c/81882 - attribute ifunc documentation uses invalid code gcc/ChangeLo

[Bug c/82283] New: Wrong warning with -Wmissing-field-initializers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82283 Bug ID: 82283 Summary: Wrong warning with -Wmissing-field-initializers Product: gcc Version: 7.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug target/80556] [8 Regression] bootstrap failure for Ada compiler

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80556 --- Comment #57 from Iain Sandoe --- (In reply to r...@cebitec.uni-bielefeld.de from comment #56) > > --- Comment #55 from simon at pushface dot org --- > > (In reply to Iain Sandoe from comment #54) > > > >> I bootstrapped r252936 on x86-64 Darw

[Bug tree-optimization/82282] New: PRE cannot blindly fold integer-to-pointer/pointer-to-integer round-trips

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82282 Bug ID: 82282 Summary: PRE cannot blindly fold integer-to-pointer/pointer-to-integer round-trips Product: gcc Version: 6.4.0 Status: UNCONFIRMED Severity: norma

[Bug target/80556] [8 Regression] bootstrap failure for Ada compiler

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80556 --- Comment #56 from ro at CeBiTec dot Uni-Bielefeld.DE --- > --- Comment #55 from simon at pushface dot org --- > (In reply to Iain Sandoe from comment #54) > >> I bootstrapped r252936 on x86-64 Darwin15.6 (10.11.6), it would be good if >> folks

[Bug target/82274] __builtin_mul_overflow fails to detect overflow for int64_t when compiled with -m32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82274 --- Comment #4 from Jakub Jelinek --- internal-fn.c implements here whatever we have written in libgcc2.c for __mulvti3 (for 64-bit arches) or __mulvdi3 (for 32-bit arches). And it seems this is (hopefully the only) incorrectly handled special ca

[Bug target/80556] [8 Regression] bootstrap failure for Ada compiler

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80556 --- Comment #55 from simon at pushface dot org --- (In reply to Iain Sandoe from comment #54) > I bootstrapped r252936 on x86-64 Darwin15.6 (10.11.6), it would be good if > folks could check it out. bootstrapped r252935 on 10.11.6:

[Bug target/82281] New: Bulldozer/Zen tuning: uses XMM for single 64-bit integer AND, even with a simple mask

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82281 Bug ID: 82281 Summary: Bulldozer/Zen tuning: uses XMM for single 64-bit integer AND, even with a simple mask Product: gcc Version: 8.0 Status: UNCONFIRMED Keywo

[Bug demangler/82195] Undemangleable lambda

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82195 --- Comment #7 from Nathan Sidwell --- Author: nathan Date: Thu Sep 21 15:52:31 2017 New Revision: 253075 URL: https://gcc.gnu.org/viewcvs?rev=253075&root=gcc&view=rev Log: [demangler PATCH]: Revert and update generic lambda demangling https://

[Bug target/82271] [5/6/7 Regression] loop gets miscompiled on powerpc at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82271 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/82277] [RISCV] fmv.w.x and fmv.x.w opcodes are not recognised

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82277 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/81602] Unnecessary zero-extension after 16 bit popcnt

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81602 --- Comment #3 from Peter Cordes --- Forgot to mention: memory-source popcnt with an indexed addressing mode would also be worse on SnB/IvB: it can't stay micro-fused, so the front-end un-laminates it in the issue stage. Haswell and later can ke

[Bug target/82271] [5/6/7 Regression] loop gets miscompiled on powerpc at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82271 --- Comment #6 from Franz Sirl --- Actually this is likely triggered by undefined behaviour. The array m_pTemp is too small for nAccessSize=4096. Increasing the array size to 1024 elements makes the bug go away. If you agree, just close the bug a

[Bug target/81602] Unnecessary zero-extension after 16 bit popcnt

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81602 Peter Cordes changed: What|Removed |Added CC||peter at cordes dot ca --- Comment #2 fro

[Bug libquadmath/81848] Add PowerPC support to libquadmath

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81848 --- Comment #2 from Bill Schmidt --- Can this be closed?

[Bug testsuite/78421] [7/8 Regression] vect-strided-a-u8-i2-gap.c fails on armeb

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78421 --- Comment #7 from Tamar Christina --- Author: tnfchris Date: Thu Sep 21 14:45:03 2017 New Revision: 253073 URL: https://gcc.gnu.org/viewcvs?rev=253073&root=gcc&view=rev Log: 2017-09-21 Tamar Christina PR testsuite/78421 * l

[Bug tree-optimization/82255] Vectorizer cost model overcounts cost of some vectorized loads

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82255 --- Comment #4 from Bill Schmidt --- Created attachment 42217 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42217&action=edit Test case patch Here's a test case (and some associated changes to add debug code for the test case) that can be

[Bug target/77729] aarch64 inserts unneeded uxtb after ldrb, orr ...32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77729 Segher Boessenkool changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassig

[Bug target/82271] [5/6/7 Regression] loop gets miscompiled on powerpc at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82271 amker at gcc dot gnu.org changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |amker at gcc dot gnu.org

[Bug target/82271] [5/6/7 Regression] loop gets miscompiled on powerpc at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82271 Richard Biener changed: What|Removed |Added CC||amker at gcc dot gnu.org --- Comment #4

[Bug ipa/82278] [8 regression] gcc.dg/lto/chkp-ctor-merge fail

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82278 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/82271] [5/6/7 Regression] loop gets miscompiled on powerpc at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82271 --- Comment #3 from Franz Sirl --- The bug was introduced with r195054: 2013-01-09 Jan Hubicka PR tree-optimiation/55875 * tree-ssa-loop-niter.c (number_of_iterations_cond): Add EVERY_ITERATION parameter. (num

[Bug rtl-optimization/82280] New: Missed optimization opportunity constexpr/inline data copy not elided

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82280 Bug ID: 82280 Summary: Missed optimization opportunity constexpr/inline data copy not elided Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug target/81996] powerpc __builtin_return_address(0) fails with -fPIC -fstack-protector-all or -fsanitize=address

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81996 --- Comment #12 from wschmidt at linux dot vnet.ibm.com --- Thanks for sorting this out, Alan! Bill > On Sep 21, 2017, at 8:30 AM, amodra at gmail dot com > wrote: > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81996 > > Alan Modra change

[Bug target/81996] powerpc __builtin_return_address(0) fails with -fPIC -fstack-protector-all or -fsanitize=address

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81996 Alan Modra changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/81996] powerpc __builtin_return_address(0) fails with -fPIC -fstack-protector-all or -fsanitize=address

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81996 --- Comment #10 from Alan Modra --- Author: amodra Date: Thu Sep 21 13:25:45 2017 New Revision: 253070 URL: https://gcc.gnu.org/viewcvs?rev=253070&root=gcc&view=rev Log: PR81996, __builtin_return_address(0) fails rs6000_return_addr assumes that

[Bug c++/82279] New: [C++17] ICE in tsubst_pack_expansion, at cp/pt.c:11514

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82279 Bug ID: 82279 Summary: [C++17] ICE in tsubst_pack_expansion, at cp/pt.c:11514 Product: gcc Version: 7.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Compo

[Bug tree-optimization/82255] Vectorizer cost model overcounts cost of some vectorized loads

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82255 Bill Schmidt changed: What|Removed |Added Assignee|wschmidt at gcc dot gnu.org|unassigned at gcc dot gnu.org ---

[Bug target/81996] powerpc __builtin_return_address(0) fails with -fPIC -fstack-protector-all or -fsanitize=address

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81996 --- Comment #9 from Alan Modra --- Author: amodra Date: Thu Sep 21 12:57:24 2017 New Revision: 253068 URL: https://gcc.gnu.org/viewcvs?rev=253068&root=gcc&view=rev Log: PR81996, __builtin_return_address(0) fails rs6000_return_addr assumes that

[Bug target/81996] powerpc __builtin_return_address(0) fails with -fPIC -fstack-protector-all or -fsanitize=address

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81996 --- Comment #8 from Alan Modra --- Author: amodra Date: Thu Sep 21 12:55:37 2017 New Revision: 253067 URL: https://gcc.gnu.org/viewcvs?rev=253067&root=gcc&view=rev Log: PR81996, __builtin_return_address(0) fails rs6000_return_addr assumes that

[Bug ipa/82278] New: [8 regression] gcc.dg/lto/chkp-ctor-merge fail

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82278 Bug ID: 82278 Summary: [8 regression] gcc.dg/lto/chkp-ctor-merge fail Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: ipa

[Bug lto/82172] Destruction of basic_string in basic_stringbuf::overflow with _GLIBCXX_USE_CXX11_ABI=0, -flto, and C++17 mode results in invalid delete

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82172 Jonathan Wakely changed: What|Removed |Added Status|ASSIGNED|NEW CC|

[Bug target/82277] New: [RISCV] fmv.w.x and fmv.x.w opcodes are not recognised

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82277 Bug ID: 82277 Summary: [RISCV] fmv.w.x and fmv.x.w opcodes are not recognised Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Compone

[Bug sanitizer/81715] asan-stack=1 redzone allocation is too inflexible

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 --- Comment #15 from Jakub Jelinek --- Author: jakub Date: Thu Sep 21 12:26:34 2017 New Revision: 253065 URL: https://gcc.gnu.org/viewcvs?rev=253065&root=gcc&view=rev Log: PR sanitizer/81715 * tree-inline.c (expand_call_inline):

[Bug target/71951] libgcc_s built with -fomit-frame-pointer on aarch64 is broken

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71951 Wilco changed: What|Removed |Added Status|REOPENED|RESOLVED Resolution|---

[Bug target/71951] libgcc_s built with -fomit-frame-pointer on aarch64 is broken

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71951 --- Comment #16 from Wilco --- Author: wilco Date: Thu Sep 21 12:21:18 2017 New Revision: 253064 URL: https://gcc.gnu.org/viewcvs?rev=253064&root=gcc&view=rev Log: PR71951: Fix unwinding with -fomit-frame-pointer As described in PR71951, if lib

[Bug target/71951] libgcc_s built with -fomit-frame-pointer on aarch64 is broken

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71951 --- Comment #15 from Wilco --- Author: wilco Date: Thu Sep 21 12:16:31 2017 New Revision: 253063 URL: https://gcc.gnu.org/viewcvs?rev=253063&root=gcc&view=rev Log: PR71951: Fix unwinding with -fomit-frame-pointer As described in PR71951, if lib

[Bug tree-optimization/82244] [7 Regression] -O2: ICE: tree check: expected ssa_name, have integer_cst in replace_uses_by, at tree-cfg.c:1904

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82244 --- Comment #7 from Richard Biener --- Author: rguenth Date: Thu Sep 21 12:12:33 2017 New Revision: 253062 URL: https://gcc.gnu.org/viewcvs?rev=253062&root=gcc&view=rev Log: 2017-09-21 Richard Biener PR tree-optimization/82276

[Bug tree-optimization/82244] [7 Regression] -O2: ICE: tree check: expected ssa_name, have integer_cst in replace_uses_by, at tree-cfg.c:1904

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82244 Bug 82244 depends on bug 82276, which changed state. Bug 82276 Summary: [8 Regression] -O2: ICE: SSA corruption during RTL pass: expand; at tree-ssa-coalesce.c:1010 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82276 What|Removed

[Bug tree-optimization/82276] [8 Regression] -O2: ICE: SSA corruption during RTL pass: expand; at tree-ssa-coalesce.c:1010

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82276 --- Comment #6 from Richard Biener --- Author: rguenth Date: Thu Sep 21 12:12:33 2017 New Revision: 253062 URL: https://gcc.gnu.org/viewcvs?rev=253062&root=gcc&view=rev Log: 2017-09-21 Richard Biener PR tree-optimization/82276

[Bug tree-optimization/82276] [8 Regression] -O2: ICE: SSA corruption during RTL pass: expand; at tree-ssa-coalesce.c:1010

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82276 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/71951] libgcc_s built with -fomit-frame-pointer on aarch64 is broken

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71951 --- Comment #14 from Wilco --- Author: wilco Date: Thu Sep 21 12:08:12 2017 New Revision: 253061 URL: https://gcc.gnu.org/viewcvs?rev=253061&root=gcc&view=rev Log: PR71951: Fix unwinding with -fomit-frame-pointer As described in PR71951, if lib

[Bug libstdc++/82172] Destruction of basic_string in basic_stringbuf::overflow with _GLIBCXX_USE_CXX11_ABI=0, -flto, and C++17 mode results in invalid delete

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82172 --- Comment #9 from Jonathan Wakely --- (In reply to Jonathan Wakely from comment #8) > The bug is that the symbols in lisbtdc++.so are attempting to delete the > _S_empty_rep_storage object, which suggests that this check is false when it > shou

[Bug target/82158] _Noreturn functions that do return clobber caller's registers on ARM32 (but not other arches)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82158 --- Comment #10 from Peter Cordes --- (In reply to Jakub Jelinek from comment #9) > None of the above options is IMHO acceptable. > This is UB like any other. I still think it's a quality-of-implementation bug that could be fixed without downsid

[Bug libstdc++/82172] Destruction of basic_string in basic_stringbuf::overflow with _GLIBCXX_USE_CXX11_ABI=0, -flto, and C++17 mode results in invalid delete

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82172 --- Comment #8 from Jonathan Wakely --- The bug is that the symbols in lisbtdc++.so are attempting to delete the _S_empty_rep_storage object, which suggests that this check is false when it should be true: this != &_S_empty_rep() That suggest

[Bug target/82271] [5/6/7 Regression] loop gets miscompiled on powerpc at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82271 Richard Biener changed: What|Removed |Added Known to work||8.0 Target Milestone|---

[Bug libstdc++/82172] Destruction of basic_string in basic_stringbuf::overflow with _GLIBCXX_USE_CXX11_ABI=0, -flto, and C++17 mode results in invalid delete

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82172 Jonathan Wakely changed: What|Removed |Added Keywords||wrong-code --- Comment #7 from Jonatha

[Bug libstdc++/82172] Destruction of basic_string in basic_stringbuf::overflow with _GLIBCXX_USE_CXX11_ABI=0, -flto, and C++17 mode results in invalid delete

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82172 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug target/82271] loop gets miscompiled on powerpc at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82271 Franz Sirl changed: What|Removed |Added Known to work||4.5.4, 4.6.4, 4.7.4 Known to fail|

[Bug target/82274] __builtin_mul_overflow fails to detect overflow for int64_t when compiled with -m32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82274 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #3

[Bug c/81854] weak alias of an incompatible symbol accepted

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81854 --- Comment #11 from Uroš Bizjak --- gcc.target/i386/pr80732.c fails with: pr80732.c:46:8: warning: ‘f2’ ‘ifunc’ resolver should return a function pointer [-Wattributes] double f2(double a, double b, double c) __attribute__((ifunc("f2_resolve")

[Bug tree-optimization/71351] [7 Regression] ICE: Segmentation fault (graphite)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71351 --- Comment #12 from Richard Biener --- Author: rguenth Date: Thu Sep 21 10:08:21 2017 New Revision: 253052 URL: https://gcc.gnu.org/viewcvs?rev=253052&root=gcc&view=rev Log: 2017-09-21 Richard Biener PR tree-optimization/71351

[Bug tree-optimization/71351] [7 Regression] ICE: Segmentation fault (graphite)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71351 Richard Biener changed: What|Removed |Added Known to work||8.0 Summary|[7/8 Regression]

[Bug target/82158] _Noreturn functions that do return clobber caller's registers on ARM32 (but not other arches)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82158 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug target/82274] __builtin_mul_overflow fails to detect overflow for int64_t when compiled with -m32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82274 Richard Biener changed: What|Removed |Added Keywords||wrong-code Status|UNCONFIRM

[Bug c++/80763] [7/8 Regression] -O3 causes error: inline clone in same comdat group list

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80763 --- Comment #9 from David Binderman --- (In reply to David Binderman from comment #8) > (In reply to David Binderman from comment #7) > > Still seems to be broken, over a month later. > > Still broken, a couple of months even later ... Broken f

[Bug target/82260] [x86] Unnecessary use of 8-bit registers with -Os. slightly slower and larger code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82260 --- Comment #7 from Jakub Jelinek --- Fixed for 8+. For the rest please file separate PR or PRs. GCC -Os is something in between llvm -Oz and -Os, we aren't trying to reduce size at all costs, but are certainly trying more than llvm -Os does.

[Bug tree-optimization/82276] [8 Regression] -O2: ICE: SSA corruption during RTL pass: expand; at tree-ssa-coalesce.c:1010

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82276 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

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