https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120614
--- Comment #17 from kugan at gcc dot gnu.org ---
fotonik3d_r regresses -20% compared to base (no PGO).
Base perf
33.19% fotonik3d_r_pea fotonik3d_r_peak.mytest-64 [.]
leapfrog_.constprop.0
23.76% fotonik3d_r_pea fotonik3d_r_peak.my
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120987
--- Comment #24 from Tom de Vries ---
Created attachment 61858
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61858&action=edit
debug patch
Using this patch (on top of current trunk), I get the following in
a-test-2.c.092i.inline:
...
Con
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120870
--- Comment #18 from Sam James ---
(In reply to H.J. Lu from comment #17)
> Created attachment 61837 [details]
> A patch
>
> Please try this. No idea why it works for me.
`./configure --with-tail-call-interp CFLAGS="-O2 -march=znver2 -ggdb3"`
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120870
--- Comment #19 from Sam James ---
(In reply to Sam James from comment #18)
> (In reply to H.J. Lu from comment #17)
> > Created attachment 61837 [details]
> > A patch
> >
> > Please try this. No idea why it works for me.
>
> `./configure --w
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119430
--- Comment #20 from Sam James ---
You're a star, it works! I'll try it in the usual packaging environment next.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121053
Tomasz Kamiński changed:
What|Removed |Added
CC||tkaminsk at gcc dot gnu.org
--- Comme
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120614
--- Comment #16 from kugan at gcc dot gnu.org ---
I ran spec2017 again with recent gcc and SPE based autofdo (with local patches
to enable SPE based profiling support for autofdo tools). I am seeing following
compared PGO:
621.wrf_s -23%
549.fot
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121061
Bug ID: 121061
Summary: extents/mdspan constructor is ILL-FORMED for
IntegrLike with mutable conversions
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severit
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120870
--- Comment #20 from H.J. Lu ---
(In reply to Sam James from comment #19)
> (In reply to Sam James from comment #18)
> > (In reply to H.J. Lu from comment #17)
> > > Created attachment 61837 [details]
> > > A patch
> > >
> > > Please try this.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121061
--- Comment #1 from Tomasz Kamiński ---
This is due incorrect constrain on corresponding constructor:
template<__mdspan::__valid_index_type _OIndexType, size_t _Nm>
requires (_Nm == rank() || _Nm == rank_dynamic())
constexpr e
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121061
Tomasz Kamiński changed:
What|Removed |Added
Ever confirmed|0 |1
Status|UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120987
--- Comment #25 from rguenther at suse dot de ---
On Sat, 12 Jul 2025, vries at gcc dot gnu.org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120987
>
> --- Comment #22 from Tom de Vries ---
> FYI, I've submitted a workaround for gdb
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121049
--- Comment #11 from rguenther at suse dot de ---
On Sun, 13 Jul 2025, sjames at gcc dot gnu.org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121049
>
> --- Comment #9 from Sam James ---
> Yes, I tried to go further but the compiler
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121059
--- Comment #6 from rguenther at suse dot de ---
On Mon, 14 Jul 2025, pinskia at gcc dot gnu.org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121059
>
> Andrew Pinski changed:
>
>What|Removed |Add
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121051
--- Comment #1 from Andrew Pinski ---
This looks like the normal subreg issue with the RA. There is a few others out
there ...
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121049
--- Comment #8 from Andrew Pinski ---
(In reply to Sam James from comment #7)
> r16-2088-ge9079e4f43d135
This looks like it just exposed the issue with a costing model change in the
backend.
org/bugzilla/attachment.cgi?id=61854&action=edit
Repro
When experimenting with the Implicit_Dereference aspect, I ran into the
following GNAT bug:
gnatmake: "" compilation error
+===GNAT BUG DETECTED==+
| 16.0.0 20250713 (experimental)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121049
--- Comment #9 from Sam James ---
Yes, I tried to go further but the compiler hangs with the needed param before
that commit for a large part of the range.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120866
Andrew Pinski changed:
What|Removed |Added
Assignee|unassigned at gcc dot gnu.org |pinskia at gcc dot
gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121043
Jerry DeLisle changed:
What|Removed |Added
Last reconfirmed||2025-07-13
Ever confirmed|0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120866
--- Comment #9 from GCC Commits ---
The trunk branch has been updated by Andrew Pinski :
https://gcc.gnu.org/g:4d7baa94a48c27030c8ffcfaf3dd187be09903a9
commit r16-2221-g4d7baa94a48c27030c8ffcfaf3dd187be09903a9
Author: Andrew Pinski
Date: Su
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118904
Bug 118904 depends on bug 120866, which changed state.
Bug 120866 Summary: [16 Regression] pdp11-aout, powerpc-ibm-aix7.1 and
powerpc-ibm-aix7.2 crosscompilers fail to build since r16-1738
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120866
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120866
Andrew Pinski changed:
What|Removed |Added
Resolution|--- |FIXED
Status|ASSIGNED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121043
--- Comment #4 from Jerry DeLisle ---
The log from the first failure:
23/88 Testing: sync_team
23/88 Test: sync_team
Command: "/usr/bin/bash" "/home/jerry/dev/opencoarrays-clean/bin/cafrun" "-np"
"8"
"/home/jerry/dev/opencoarrays-clean/bin/Open
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121035
Andrew Pinski changed:
What|Removed |Added
Version|unknown |15.1.0
Summary|ICE on valid
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121043
--- Comment #5 from Jerry DeLisle ---
I assume the first failure was fixed by the second patch. There is no log entry
for that test. I had to terminate it. I have let it run for over 30 minutes
before doing so.
The test is being run with two i
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121035
Andrew Pinski changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121035
--- Comment #2 from Andrew Pinski ---
Created attachment 61855
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61855&action=edit
gimple testcase
so don't need to depend on options; just -O2 -fgimple is enough to reproduce
it.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121043
--- Comment #6 from Jerry DeLisle ---
I narrowed it down.
I modified with some convenient prints:
program register3
implicit none
integer, parameter :: invalid_rank=-2
integer :: np=invalid_rank,array_size=10
integer,allocatable :: arr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111814
--- Comment #16 from Matthias Klose ---
the Debian SH porters asked about it. yes, I can backport it locally, but I'd
like to avoid it.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121052
Bug ID: 121052
Summary: Audit all uses of the nonnull attribute in libstdc++
Product: gcc
Version: 15.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Comp
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110617
Jonathan Wakely changed:
What|Removed |Added
CC||redi at gcc dot gnu.org
See
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86878
Jonathan Wakely changed:
What|Removed |Added
Last reconfirmed|2024-01-09 00:00:00 |2025-7-13
See Also|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121053
Bug ID: 121053
Summary: std::visit is not SFINAE-friendly
Product: gcc
Version: 15.1.0
Status: UNCONFIRMED
Severity: enhancement
Priority: P3
Component: libstdc
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111814
--- Comment #15 from Oleg Endo ---
(In reply to Matthias Klose from comment #14)
> ping about the backport?
Is it urgent?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121051
Bug ID: 121051
Summary: RVV intrinsics: unnecessary spilling and bad register
allocation
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121047
Xi Ruoyao changed:
What|Removed |Added
CC||xry111 at gcc dot gnu.org
--- Comment #3 fr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86568
Jonathan Wakely changed:
What|Removed |Added
Last reconfirmed|2020-06-03 00:00:00 |2025-7-13
--- Comment #13 from Jonatha
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111814
Matthias Klose changed:
What|Removed |Added
CC||doko at gcc dot gnu.org
--- Comment #1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120995
--- Comment #3 from GCC Commits ---
The releases/gcc-15 branch has been updated by Jeff Law :
https://gcc.gnu.org/g:8f93b00a241a242677a901812f1a12e8960a5dc2
commit r15-9962-g8f93b00a241a242677a901812f1a12e8960a5dc2
Author: Andreas Schwab
Date
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120995
Jeffrey A. Law changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120763
Bug 120763 depends on bug 120995, which changed state.
Bug 120995 Summary: [15 regression] [RISC-V] ICE: unrecognizable insn
UNSPEC_COMPARE_AND_SWAP with rv64gc_zabha_zacas
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120995
What
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121054
Bug ID: 121054
Summary: std::bitset<0>("zero") should throw
std::invalid_argument
Product: gcc
Version: 15.1.0
Status: UNCONFIRMED
Keywords: wrong-code
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121052
--- Comment #1 from Jonathan Wakely ---
(In reply to Jonathan Wakely from comment #0)
> Many of our uses of the nonnull attribute are probably bugs, e.g.
>
> polymorphic_allocator(memory_resource* __r) noexcept
> __attribute__((__no
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120356
--- Comment #9 from GCC Commits ---
The releases/gcc-15 branch has been updated by Jeff Law :
https://gcc.gnu.org/g:d8f2b4f1781ca02d3f74cc88467f97c2d68b471e
commit r15-9963-gd8f2b4f1781ca02d3f74cc88467f97c2d68b471e
Author: Alexey Merzlyakov
D
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120356
Jeffrey A. Law changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120763
Bug 120763 depends on bug 120356, which changed state.
Bug 120356 Summary: [15 Regression] RISC-V: Miscompile at -O[23] since
r15-6881-g7b815107f40
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120356
What|Removed
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121055
Bug ID: 121055
Summary: [15/16 Regression] __is_invocable built-in doesn't
match std::invoke for rvalue-ref qualified member
function
Product: gcc
Version: 15.1.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121053
Jason Merrill changed:
What|Removed |Added
CC||jason at gcc dot gnu.org
--- Comment #1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121053
--- Comment #2 from Jonathan Wakely ---
Neither form is constrained in the standard. With libstdc++ std::visit is
SFINAE-friendly and std::visit is not. With libc++ both are SFINAE-friendly.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121059
Bug ID: 121059
Summary: [16 regression] ICE when building imagemagick-7.1.1-47
(vect_get_loop_mask, at tree-vect-loop.cc:10960)
Product: gcc
Version: 16.0
Status: UNCONF
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121059
Andrew Pinski changed:
What|Removed |Added
Target Milestone|--- |16.0
Target|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121059
--- Comment #1 from Sam James ---
I'm reducing it.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121059
--- Comment #2 from Sam James ---
Created attachment 61857
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61857&action=edit
reduced.i
bisecting
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121059
--- Comment #3 from Sam James ---
(In reply to Sam James from comment #2)
> Created attachment 61857 [details]
> reduced.i
>
> bisecting
with
char exists[256], frozen[256];
instead
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121059
Sam James changed:
What|Removed |Added
CC||rguenth at gcc dot gnu.org
Keywor
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121060
Bug ID: 121060
Summary: ICE when argument is associate name created from
type-bound operator result
Product: gcc
Version: 15.1.0
Status: UNCONFIRMED
Severity:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121060
Jerry DeLisle changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121049
Andrew Pinski changed:
What|Removed |Added
Target||x86_64
--- Comment #10 from Andrew Pins
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121059
Andrew Pinski changed:
What|Removed |Added
Ever confirmed|0 |1
Known to work|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121050
Bug ID: 121050
Summary: 'check-gotools': 'Use -buildvcs=false to disable VCS
stamping'
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Keywords: testsuite-fail
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121047
--- Comment #2 from Thomas Koenig ---
(In reply to Andrew Pinski from comment #1)
> This is most likely a won't fix. Do you if there is an errata issued for
> this yet?
I haven't seen anything that addresses that. This may or may not be
covered
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120987
--- Comment #23 from Sam James ---
(In reply to Tom de Vries from comment #20)
> Seems to be fixed by:
I've regtested this and it was fine.
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