[Bug c++/80858] When trying to copy std::unordered_map illegally, error message doesn't tell what's wrong

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80858 --- Comment #2 from sgunderson at bigfoot dot com --- Yes, I mean that the error message isn't clear (and it's basically the same error message in 4.8, so no regression). I don't think I understand the difficulties involved. Doesn't the error

[Bug c++/80858] When trying to copy std::unordered_map illegally, error message doesn't tell what's wrong

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80858 Jonathan Wakely changed: What|Removed |Added Keywords||diagnostic

[Bug c++/80835] Reading a member of an atomic can load just that member, not the whole struct

_compiler(atomic_uint_fast64_t *p) { *p |= 3; // separate 32-bit loads before loop } #gcc8 snapshot 20170522 -m32, and clang does the same ... intro, including including pushing 4 regs, two of which aren't used :( movl(%esi), %eax#* p, tmp90 movl4(%e

[Bug middle-end/80809] Multi-free error for variable size array used within OpenMP task

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80809 --- Comment #4 from Jakub Jelinek --- Author: jakub Date: Mon May 22 18:54:05 2017 New Revision: 248345 URL: https://gcc.gnu.org/viewcvs?rev=248345=gcc=rev Log: PR middle-end/80809 * gimplify.c (omp_add_variable): For

[Bug middle-end/80809] Multi-free error for variable size array used within OpenMP task

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80809 --- Comment #5 from Jakub Jelinek --- Author: jakub Date: Mon May 22 18:54:54 2017 New Revision: 248346 URL: https://gcc.gnu.org/viewcvs?rev=248346=gcc=rev Log: PR middle-end/80809 * omp-low.c (finish_taskreg_remap): New

[Bug other/70268] add option -ffile-prefix-map to map one directory name (old) to another (new) in __FILE__, __BASE_FILE__and __builtin_FILE()

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70268 Tom Rini changed: What|Removed |Added CC||tom.rini at gmail dot com --- Comment #8

[Bug other/80803] libgo appears to be miscompiled on powerpc64le since r247923

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80803 --- Comment #3 from Bill Schmidt --- Looks like this arises from this code in libgo/Makefile.in: if $(SHELL) $(srcdir)/testsuite/gotest --goarch=$(GOARCH) --goos=$(GO\ OS) --basedir=$(srcdir) --srcdir=$(srcdir)/go/$(@D)

[Bug middle-end/80853] [6/7/8 Regression] OpenMP ICE in build_outer_var_ref with array reduction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80853 --- Comment #2 from Jakub Jelinek --- Author: jakub Date: Mon May 22 18:51:54 2017 New Revision: 248344 URL: https://gcc.gnu.org/viewcvs?rev=248344=gcc=rev Log: PR middle-end/80853 * omp-low.c (lower_reduction_clauses): Pass

[Bug other/80803] libgo appears to be miscompiled on powerpc64le since r247923

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80803 --- Comment #4 from Bill Schmidt --- And gotest is just a bash script, so "something that it invokes" is the problem...

[Bug rtl-optimization/80474] ipa-cp wrongly adding LO(symbol) twice

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80474 Eric Botcazou changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|2017-04-21

[Bug target/80833] 32-bit x86 causes store-forwarding stalls for int64_t -> xmm

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80833 --- Comment #6 from Peter Cordes --- (In reply to Richard Biener from comment #5) > There's some related bugs. I think there is no part of the compiler that > specifically tries to avoid store forwarding issues. Ideally the compiler would keep

[Bug c++/80859] New: Performance Problems with OpenMP 4.5 support

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80859 Bug ID: 80859 Summary: Performance Problems with OpenMP 4.5 support Product: gcc Version: 6.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug target/80861] New: ARM (VFPv3): Inefficient float-to-char conversion goes through memory

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80861 Bug ID: 80861 Summary: ARM (VFPv3): Inefficient float-to-char conversion goes through memory Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug target/80834] PowerPC gcc -mcpu=power9 seems to turn off vectorization that -mcpu=power8 enables

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80834 --- Comment #3 from Michael Meissner --- It looks like -fvect-cost-model=unlimited seems to re-enable vectorization with -mcpu=power9. It also enables some vectorizaton with -mcpu=power7.

[Bug c++/80835] Reading a member of an atomic can load just that member, not the whole struct

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80835 --- Comment #5 from Peter Cordes --- Previous godbolt link was supposed to be: https://godbolt.org/g/78kIAl which includes the CAS functions.

[Bug bootstrap/80860] New: AIX Bootstrap failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80860 Bug ID: 80860 Summary: AIX Bootstrap failure Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap

[Bug rtl-optimization/80474] ipa-cp wrongly adding LO(symbol) twice

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80474 --- Comment #7 from Jan Smets --- My apologies, somehow I dropped the -mno-abicalls along the road. $ git status HEAD detached at gcc-6_3_0-release configure --target=mips64-linux-gnuabi64 --enable-languages=c (with binutils/gmp/etc all alread

[Bug target/80725] [7/8 Regression] s390x ICE on alsa-lib

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80725 --- Comment #4 from Jakub Jelinek --- 1), if it works, looks easiest to me. 3) if Vlad would prefer that way.

[Bug middle-end/80809] Multi-free error for variable size array used within OpenMP task

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80809 --- Comment #6 from Jakub Jelinek --- Fixed on the trunk so far.

[Bug fortran/80766] [7/8 Regression] [OOP] ICE with type-bound procedure returning an array

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80766 --- Comment #11 from janus at gcc dot gnu.org --- Author: janus Date: Mon May 22 17:08:24 2017 New Revision: 248341 URL: https://gcc.gnu.org/viewcvs?rev=248341=gcc=rev Log: 2017-05-22 Janus Weil PR fortran/80766

[Bug libgcc/80037] Bad .eh_frame data in crtend.o

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80037 Alexey Neyman changed: What|Removed |Added CC||stilor at att dot net --- Comment #2

[Bug tree-optimization/80842] [7/8 Regression] ICE at -O3 on x86_64-linux-gnu in "set_lattice_value"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80842 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Status|NEW

[Bug c++/80851] All versions that support C++11 are confused by combination of inherited constructors with member initializer that captures this

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80851 DB changed: What|Removed |Added CC||db0451 at gmail dot com --- Comment #1 from DB

[Bug c++/80841] Fails to match template specialization with polymorphic non-type template argument

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80841 --- Comment #3 from Daniel Krügler --- (In reply to Jason Bell from comment #2) > Thanks that's a good reduced example. I've changed it slightly so it works > with constexpr input. But that is just adding additional complexity: The constexpr

[Bug c++/80841] Fails to match template specialization with polymorphic non-type template argument

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80841 --- Comment #2 from Jason Bell --- Thanks that's a good reduced example. I've changed it slightly so it works with constexpr input. //# template struct A {}; template struct B {}; template struct

[Bug target/80808] [7/8 Regression] gnupg miscompilation on arm starting with r241660

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80808 --- Comment #3 from Andrew Pinski --- Can you try adding "flags" as a clobber on those inline-asm. I suspect that might causing something here.

[Bug c++/67054] Constructor inheritance with non-default constructible members

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67054 DB changed: What|Removed |Added CC||db0451 at gmail dot com --- Comment #3 from DB

[Bug c++/80851] New: All versions that support C++11 are confused by combination of inherited constructors with member initializer that captures this

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80851 Bug ID: 80851 Summary: All versions that support C++11 are confused by combination of inherited constructors with member initializer that captures this Product: gcc

[Bug sanitizer/78204] ‘no_sanitize’ attribute directive ignored [-Wattributes]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78204 Martin Liška changed: What|Removed |Added Target Milestone|--- |8.0 --- Comment #5 from Martin Liška

[Bug libgomp/80822] libgomp incorrect affinity when OMP_PLACES=threads

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80822 --- Comment #1 from Jakub Jelinek --- What do you get with OMP_PLACES=threads OMP_DISPLAY_ENV=verbose (with both libgomp and Intel libomp)?

[Bug c/80852] New: Optimisation missed for loop with condition that is always true

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80852 Bug ID: 80852 Summary: Optimisation missed for loop with condition that is always true Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug c/80852] Optimisation missed for loop with condition that is always true

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80852 --- Comment #1 from Marc Glisse --- I don't think the test on x%2 is relevant, gcc eliminates it without problem. I thought gcc had some code to recognize 1+2+3+...+n and similar patterns, but apparently not this one.

[Bug target/80808] [7/8 Regression] gnupg miscompilation on arm starting with r241660

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80808 --- Comment #2 from Jakub Jelinek --- Smaller testcase that still works at -O1 and fails at -O2 (+ -march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=hard in both cases): static __attribute__ ((noinline, noclone)) unsigned mpihelp_divrem (unsigned *qp,

[Bug target/80808] [7/8 Regression] gnupg miscompilation on arm starting with r241660

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80808 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/80842] [7/8 Regression] ICE at -O3 on x86_64-linux-gnu in "set_lattice_value"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80842 --- Comment #3 from Richard Biener --- Hmm, goes CONSTANT -> UNDEFINED. We've been here before I think. Visiting statement: _7 = (int) f.7_6; which is likely UNDEFINED Lattice value changed to UNDEFINED. Adding SSA edges to worklist. marking

[Bug c/80832] GCC_COLORS

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80832 Richard Biener changed: What|Removed |Added Keywords||documentation

[Bug target/80833] 32-bit x86 causes store-forwarding stalls for int64_t -> xmm

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80833 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/74563] [6 regression] Classic MIPS16 (non-MIPS16e) function return broken

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=74563 Maciej W. Rozycki changed: What|Removed |Added Status|NEW |ASSIGNED

[Bug target/80855] [nvptx] missing sorry("target cannot support label values"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80855 --- Comment #1 from Tom de Vries --- Created attachment 41401 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41401=edit tentative patch Using this tentative patch, we get: ... test.c: In function ‘main’: test.c:9:11: sorry, unimplemented:

[Bug middle-end/80809] Multi-free error for variable size array used within OpenMP task

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80809 --- Comment #3 from Jakub Jelinek --- Created attachment 41400 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41400=edit gcc8-pr80809.patch Fix for the incorrect implicit determination. The bug was that we turned the (implicit in this

[Bug c++/80830] [8 Regression] ICE in tsubst_copy, at cp/pt.c:14569

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80830 --- Comment #5 from Nathan Sidwell --- Author: nathan Date: Mon May 22 12:05:41 2017 New Revision: 248329 URL: https://gcc.gnu.org/viewcvs?rev=248329=gcc=rev Log: gcc/testsuite/ PR c++/80830 * g++.dg/lookup/friend20.C:

[Bug libstdc++/80835] Reading a member of an atomic can load just that member, not the whole struct

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80835 --- Comment #2 from Jonathan Wakely --- You've reported this against libstdc++ but there's no way the library code can possibly transform p->load(std::memory_order_acquire).ptr into loading a subobject. std::atomic::load has no idea what you

[Bug c++/80830] [8 Regression] ICE in tsubst_copy, at cp/pt.c:14569

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80830 Richard Biener changed: What|Removed |Added Keywords||ice-on-valid-code

[Bug c++/80831] [6/7/8 Regression] ICE: Segmentation fault with -fsyntax-only

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80831 Richard Biener changed: What|Removed |Added Keywords||ice-on-valid-code

[Bug c/80852] Optimisation fails to recognise sum computed by loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80852 --- Comment #2 from Raphael C --- You are quite right. This code shows the same issue: int foo(int num) { int a = 0; for (int x = 0; x < num; x+=2) { a += x; } return a; }

[Bug libgomp/80822] libgomp incorrect affinity when OMP_PLACES=threads

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80822 --- Comment #2 from Jakub Jelinek --- Note, the OpenMP description of OMP_PLACES=threads is: "Each place corresponds to a single hardware thread on the target machine." which is what GCC implements. Perhaps ICC implements the same, but orders

[Bug target/80855] New: [nvptx] missing sorry("target cannot support label values"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80855 Bug ID: 80855 Summary: [nvptx] missing sorry("target cannot support label values" Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug c++/79759] [concepts] ICE in tsubst, at cp/pt.c:13509

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79759 --- Comment #2 from Tom Honermann --- This looks to be directly related to the following reports: - Bug 80746 - [concepts] ICE evaluating constraints for concepts with dependent template parameters - Bug 67147 - [concepts] ICE on checking

[Bug middle-end/80853] [6/7/8 Regression] OpenMP ICE in build_outer_var_ref with array reduction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80853 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug tree-optimization/80854] New: hot path is slowed down when the cold return path is merged into it

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80854 Bug ID: 80854 Summary: hot path is slowed down when the cold return path is merged into it Product: gcc Version: 7.1.0 Status: UNCONFIRMED Severity: normal

[Bug c++/80830] [8 Regression] ICE in tsubst_copy, at cp/pt.c:14569

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80830 Nathan Sidwell changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug c++/80841] Fails to match template specialization with polymorphic non-type template argument

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80841 --- Comment #4 from Jason Bell --- (In reply to Daniel Krügler from comment #3) > (In reply to Jason Bell from comment #2) > > Thanks that's a good reduced example. I've changed it slightly so it works > > with constexpr input. > > But that is

[Bug middle-end/80853] New: [6/7/8 Regression] OpenMP ICE in build_outer_var_ref with array reduction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80853 Bug ID: 80853 Summary: [6/7/8 Regression] OpenMP ICE in build_outer_var_ref with array reduction Product: gcc Version: 7.1.1 Status: UNCONFIRMED Severity:

[Bug libfortran/80850] Sourced allocate() fails to allocate a pointer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80850 Thomas Koenig changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug c++/80856] New: ICE from template local overload resolution

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80856 Bug ID: 80856 Summary: ICE from template local overload resolution Product: gcc Version: 7.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug c++/80856] [7/8 Regression] ICE from template local overload resolution

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80856 Markus Trippelsdorf changed: What|Removed |Added Keywords||ice-on-valid-code

[Bug target/80817] [missed optimization][x86] relaxed atomics

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80817 --- Comment #3 from Joost VandeVondele --- If I compile with -m32 gcc -std=c++11 -m32 -S -O3 test.cpp I get .cfi_startproc subl$12, %esp .cfi_def_cfa_offset 16 movl16(%esp), %ecx fildq

[Bug testsuite/80759] gcc.target/x86_64/abi/ms-sysv FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80759 --- Comment #13 from ro at CeBiTec dot Uni-Bielefeld.DE --- > --- Comment #10 from Daniel Santos --- [...] > Anyway, if you can test it again for me and let me know what you think I would > appreciate it. I've got some other code formatting

[Bug target/80725] [7/8 Regression] s390x ICE on alsa-lib

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80725 --- Comment #3 from Andreas Krebbel --- process_address_1 does not do any address reloading because it only checks the first constraint letter whether it is an extra address constraint or not. In our case ("a,ZR") it is a register constraint.

[Bug c++/80857] New: slow compare_exchange_weak with unintegral type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80857 Bug ID: 80857 Summary: slow compare_exchange_weak with unintegral type Product: gcc Version: 7.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug c++/80856] [7/8 Regression] ICE from template local overload resolution

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80856 Markus Trippelsdorf changed: What|Removed |Added CC||jason at gcc dot gnu.org ---

[Bug c++/80858] New: When trying to copy std::unordered_map illegally, error message doesn't tell what's wrong

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80858 Bug ID: 80858 Summary: When trying to copy std::unordered_map illegally, error message doesn't tell what's wrong Product: gcc Version: 7.1.0 Status: UNCONFIRMED

[Bug testsuite/80759] gcc.target/x86_64/abi/ms-sysv FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80759 --- Comment #15 from Rainer Orth --- Created attachment 41404 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41404=edit Switch ms-sysv to more regular dg functions

[Bug testsuite/80759] gcc.target/x86_64/abi/ms-sysv FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80759 --- Comment #14 from ro at CeBiTec dot Uni-Bielefeld.DE --- > --- Comment #9 from Daniel Santos --- [...] >> sure, though there's no need at all (except for the .struct part) to do >> the testing on Solaris. I believe there are ready-made

[Bug libstdc++/80835] Reading a member of an atomic can load just that member, not the whole struct

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80835 --- Comment #3 from Peter Cordes --- (In reply to Jonathan Wakely from comment #2) > You've reported this against libstdc++ I had to take a guess at the right component, based on a couple other std::atomic bugs I looked at. Apparently I picked

[Bug target/80817] [missed optimization][x86] relaxed atomics

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80817 --- Comment #4 from Alexander Monakov --- On 32-bit x86 manipulating 64-bit integers, let alone atomically, is going to be inconvenient. The emitted code could have been shorter, instead of movl(%esp), %eax movl4(%esp),

[Bug other/80803] libgo appears to be miscompiled on powerpc64le since r247923

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80803 Ian Lance Taylor changed: What|Removed |Added CC||ian at airs dot com --- Comment #5

[Bug target/80718] GCC generates slow code for offsettable vec_duplicate

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80718 --- Comment #3 from Michael Meissner --- Author: meissner Date: Mon May 22 22:44:45 2017 New Revision: 248352 URL: https://gcc.gnu.org/viewcvs?rev=248352=gcc=rev Log: [gcc] 2017-05-22 Michael Meissner PR

[Bug middle-end/66313] Unsafe factorization of a*b+a*c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66313 --- Comment #15 from Dmitry Babokin --- The bug is almost 2 years old. I consider it's quite important, as false positives make UBSAN not usable on any large codebases.

[Bug c++/80858] When trying to copy std::unordered_map illegally, error message doesn't tell what's wrong

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80858 --- Comment #4 from sgunderson at bigfoot dot com --- I think this should work as reduction: struct Empty { }; template struct A { A =(const A&) { T t(3); return *this; } }; class

[Bug target/80848] /crtend.o(.eh_frame); no .eh_frame_hdr table will be created

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80848 --- Comment #2 from Alexey Neyman --- It seems to be a duplicate of https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80037 that has a proposed patch.

[Bug target/80848] /crtend.o(.eh_frame); no .eh_frame_hdr table will be created

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80848 Alexey Neyman changed: What|Removed |Added CC||stilor at att dot net --- Comment #1

[Bug rtl-optimization/79801] Disable ira.c:add_store_equivs for some targets?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79801 Pat Haugen changed: What|Removed |Added CC||pthaugen at gcc dot gnu.org --- Comment #1

[Bug c/80116] Warn about macros expanding to multiple statements

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80116 --- Comment #3 from Marek Polacek --- A testcase: #define SWAP(x, y) \ tmp = x; \ x = y; \ y = tmp int x, y, tmp; void fn1 (void) { if (x) SWAP(x, y); // warn } void fn2 (void) { SWAP(x, y); } void fn3 (void) { if (x) {

[Bug libfortran/78379] Processor-specific versions for matmul

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78379 Thomas Koenig changed: What|Removed |Added Attachment #40120|0 |1 is obsolete|

[Bug libfortran/78379] Processor-specific versions for matmul

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78379 --- Comment #32 from Thomas Koenig --- Created attachment 41406 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41406=edit Additional files for the previous patch Here are the new files for the patch.

[Bug c++/80835] Reading a member of an atomic can load just that member, not the whole struct

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80835 Jonathan Wakely changed: What|Removed |Added Component|libstdc++ |c++ Severity|normal

[Bug c++/80858] When trying to copy std::unordered_map illegally, error message doesn't tell what's wrong

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80858 --- Comment #1 from Jonathan Wakely --- (In reply to sgunderson from comment #0) > Using gcc version 7.1.0 (Debian 7.1.0-5) (but the error goes back to at > least 4.8, and amazingly, also in Clang), on this piece of code, simplified > from a

[Bug other/80803] libgo appears to be miscompiled on powerpc64le since r247923

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80803 --- Comment #2 from Bill Schmidt --- I've verified that this only happens with a bootstrapped compiler. A one-pass build does not produce the problem. The output from "cat net/check-testlog" for such a build is: PASS PASS: net Ian, I am not