[Bug target/114910] can't build a c6x cross compiler

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114910 --- Comment #11 from Chris Packham --- After working around things by not passing --enable-target-optspace I end up getting an ICE later in the toolchain build. [ALL ]during RTL pass: mach [ALL ] /home/ctng/crosstool-ng/.build/tic6x-el

[Bug target/114910] can't build a c6x cross compiler

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114910 Andrew Pinski changed: What|Removed |Added CC||judge.packham at gmail dot com --- Comm

[Bug target/118299] build errors for tic6x-elf

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118299 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/118299] New: build errors for tic6x-elf

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118299 Bug ID: 118299 Summary: build errors for tic6x-elf Product: gcc Version: 14.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target As

[Bug libstdc++/104928] std::counting_semaphore on Linux can sleep forever

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104928 --- Comment #12 from Benjamin Buch --- The point is that the great majority of users do not read the full documentation to find the section that mentions the experimental character of the latest C++ modes. To be explicit about this, by just usin

[Bug c++/118265] Failure in resolving non-type template parameters with nested parameter pack of form ...B>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118265 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug c++/118265] Failure in resolving non-type template parameters with nested parameter pack of form ...B>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118265 --- Comment #3 from Andrew Pinski --- Created attachment 60047 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60047&action=edit Simplified and full testcase

[Bug tree-optimization/118269] [15 Regression] ice in vect_create_epilog_for_reduction, at tree-vect-loop.cc:6901

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118269 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug tree-optimization/118269] [15 Regression] ice in vect_create_epilog_for_reduction, at tree-vect-loop.cc:6901

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118269 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |15.0 Summary|ice in

[Bug c++/118296] ICE with invalid deduction of template arguments for operator[] with constexpr

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118296 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2025-01-05 Keywords|

[Bug c++/118296] internal compiler error: in cxx_eval_bare_aggregate, at cp/constexpr.cc WHEN block{...}appeared in [...]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118296 Andrew Pinski changed: What|Removed |Added Attachment #60043|0 |1 is obsolete|

[Bug libstdc++/104928] std::counting_semaphore on Linux can sleep forever

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104928 --- Comment #11 from Andrew Pinski --- (In reply to Benjamin Buch from comment #10) > In my option this is a very bad and hard to acceptable situation, even in an > experimental mode. Especially since C++20 already has a wide adoption these > da

[Bug c/118290] [14/15 Regression] ICE: argc.1 from nested referenced in nested

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118290 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2025-01-05 Status|UNCONFIRM

[Bug c/118290] [14/15 Regression] ICE: argc.1 from nested referenced in nested

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118290 Andrew Pinski changed: What|Removed |Added Summary|ICE: argc.1 from nested |[14/15 Regression] ICE:

[Bug c/118290] ICE: argc.1 from nested referenced in nested

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118290 --- Comment #1 from Andrew Pinski --- Created attachment 60045 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60045&action=edit Reduced

[Bug target/118280] [14/15 Regression] __atomic_test_and_set in Microblaze are broken (exposed by r14-4286)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118280 --- Comment #3 from Andrew Pinski --- (In reply to Andrew Pinski from comment #2) > The problem is r14-4286 exposed that microblaze had a broken definition of > __atomic_test_and_set . This means nobody has been building microblaze since Septe

[Bug target/118280] [14/15 Regression] __atomic_test_and_set in Microblaze are broken (exposed by r14-4286)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118280 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Target Milestone|---

[Bug tree-optimization/118297] not vecotrizing some code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118297 --- Comment #6 from Tibor Győri --- (In reply to Andrew Pinski from comment #5) > (In reply to Tibor Győri from comment #4) > > It might even be the case that the current cost model is correct, > > vectorization is indeed sometimes unprofitable.

[Bug tree-optimization/118297] not vecotrizing some code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118297 Tibor Győri changed: What|Removed |Added URL||https://godbolt.org/z/a5nKv

[Bug tree-optimization/118297] not vecotrizing some code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118297 --- Comment #5 from Andrew Pinski --- (In reply to Tibor Győri from comment #4) > It might even be the case that the current cost model is correct, > vectorization is indeed sometimes unprofitable. > But in that case, the issue is how this is co

[Bug other/118295] The optimization report says sqrt is not inlinable, even when it does get inlined

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118295 --- Comment #3 from Tibor Győri --- (In reply to Andrew Pinski from comment #2) > Sqrt is NOT inlined but rather replaced with __builtin_sqrt which is then > understood as SQRT instruction. This is NOT inlining but rather > understanding builti

[Bug c++/118296] internal compiler error: in cxx_eval_bare_aggregate, at cp/constexpr.cc WHEN block{...}appeared in [...]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118296 --- Comment #2 from Andrew Pinski --- Created attachment 60043 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60043&action=edit The exact testcase -std=c++23 -O3 -fno-exceptions

[Bug c++/118296] internal compiler error: in cxx_eval_bare_aggregate, at cp/constexpr.cc WHEN block{...}appeared in [...]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118296 --- Comment #3 from Andrew Pinski --- Created attachment 60044 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60044&action=edit slightly reduced -std=c++23

[Bug target/118288] Using new crc builtins on i386 leads to ICE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118288 H.J. Lu changed: What|Removed |Added Target Milestone|--- |15.0 --- Comment #6 from H.J. Lu --- FWIW,

[Bug other/118295] The optimization report says sqrt is not inlinable, even when it does get inlined

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118295 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/118297] not vecotrizing some code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118297 --- Comment #3 from Andrew Pinski --- for aarch64 /app/example.cpp:16:8: note: Cost model analysis for part in loop 2: Vector cost: 47 Scalar cost: 42 /app/example.cpp:16:8: missed: not vectorized: vectorization is not profitable. For x86_6

[Bug tree-optimization/118297] not vecotrizing some code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118297 Andrew Pinski changed: What|Removed |Added Target||x86_64 Summary|vect_analyze_

[Bug other/118295] The optimization report says sqrt is not inlinable, even when it does get inlined

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118295 --- Comment #1 from Tibor Győri --- Created attachment 60042 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60042&action=edit Test case -Wall -Wextra -O3 -ffast-math -std=c++20 -march=znver3 -gno-as-loc-support

[Bug tree-optimization/118297] vect_analyze_loop_form gets confused by outer loop that only executes its body once

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118297 --- Comment #1 from Andrew Pinski --- Created attachment 60041 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60041&action=edit -Wall -Wextra -Ofast -std=c++20 -march=znver3 -gno-as-loc-support

[Bug middle-end/118298] Partial unroll request for outer loop with #pragma GCC unroll is silently ignored

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118298 Andrew Pinski changed: What|Removed |Added Keywords||missed-optimization Severity|

[Bug middle-end/118298] Partial unroll request for outer loop with #pragma GCC unroll is silently ignored

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118298 --- Comment #1 from Andrew Pinski --- Created attachment 60040 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60040&action=edit -Wall -Wextra -Ofast -std=c++20 -march=znver3 -gno-as-loc-support Next time please attach the testcase and not

[Bug target/118280] undefined symbol __atomic_test_and_set in libstdc++.so on Microblaze

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118280 --- Comment #1 from Thomas Petazzoni --- Actually the issue is not just libstdc++. libatomic.so also uses __atomic_test_and_set(), and that causes build failures since GCC 14.x. For example when building linux-pam on Microblaze: /home/buildroot

[Bug other/118298] New: Partial unroll request for outer loop with #pragma GCC unroll is silently ignored

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118298 Bug ID: 118298 Summary: Partial unroll request for outer loop with #pragma GCC unroll is silently ignored Product: gcc Version: 15.0 Status: UNCONFIRMED Severi

[Bug tree-optimization/118297] New: vect_analyze_loop_form gets confused by outer loop that only executes its body once

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118297 Bug ID: 118297 Summary: vect_analyze_loop_form gets confused by outer loop that only executes its body once Product: gcc Version: 15.0 URL: https://godbolt.org/z/a5nK

[Bug c++/116524] FAIL: g++.dg/modules/permissive-error-1.C -std=c++17 (internal compiler error: Segmentation fault)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116524 John David Anglin changed: What|Removed |Added CC||nathan at gcc dot gnu.org --- Comme

[Bug ipa/118138] [15 Regression] wrong code at -O3 with "-fno-inline" on x86_64-linux-gnu since r15-6294-g96fb71883d438b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118138 --- Comment #7 from Martin Jambor --- I have proposed a fix on the mailing list: https://inbox.sourceware.org/gcc-patches/ri6y0zq5oni@virgil.suse.cz/T/#u

[Bug libstdc++/104928] std::counting_semaphore on Linux can sleep forever

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104928 --- Comment #10 from Benjamin Buch --- Okay, I understand this. https://gcc.gnu.org/onlinedocs/libstdc++/manual/status.html#status.iso.2020 defines P1135R6 is implemented since libstdc++ 11.1 and the feature test macro __cpp_lib_semaphore >= 2

[Bug libstdc++/104928] std::counting_semaphore on Linux can sleep forever

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104928 Sam James changed: What|Removed |Added Keywords||wrong-code --- Comment #9 from Sam James -

[Bug libstdc++/104928] std::counting_semaphore on Linux can sleep forever

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104928 Benjamin Buch changed: What|Removed |Added CC||benni.buch at gmail dot com --- Comment

[Bug c++/118296] internal compiler error: in cxx_eval_bare_aggregate, at cp/constexpr.cc WHEN block{...}appeared in [...]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118296 --- Comment #1 from terryinzaghi --- https://godbolt.org/z/rxad6MMWe

[Bug c++/118296] New: internal compiler error: in cxx_eval_bare_aggregate, at cp/constexpr.cc WHEN block{...}appeared in [...]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118296 Bug ID: 118296 Summary: internal compiler error: in cxx_eval_bare_aggregate, at cp/constexpr.cc WHEN block{...}appeared in [...] Product: gcc Version: 14.2.0 Status: UN

[Bug c++/118255] [12/13/14/15 Regression] Unnecessary error on variable shadowing for friend declaration inside template class with non-type parameter since r9-1493-g8945521a50a7dd

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118255 Simon Martin changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |simartin at gcc dot gnu.org

[Bug fortran/106692] [12/13/14 Regression] Cray pointer comparison wrongly optimized away

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106692 --- Comment #21 from anlauf at gcc dot gnu.org --- (In reply to Paul Thomas from comment #20) > (In reply to anlauf from comment #19) > > Will wait some time before considering backports. > > Hi Harald, > > In spite of my nervousness about the

[Bug other/118295] New: The optimization report says sqrt is not inlinable, even when it does get inlined

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118295 Bug ID: 118295 Summary: The optimization report says sqrt is not inlinable, even when it does get inlined Product: gcc Version: 15.0 URL: https://godbolt.org/z/nrqjdh

[Bug c++/118225] [12/13/14/15 Regression] ICE: in build_class_member_access_expr, at cp/typeck.cc:2983

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118225 --- Comment #3 from Simon Martin --- Patch submitted in https://gcc.gnu.org/pipermail/gcc-patches/2025-January/672578.html

[Bug target/118288] Using new crc builtins on i386 leads to ICE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118288 Sam James changed: What|Removed |Added Last reconfirmed||2025-01-04 Ever confirmed|0

[Bug tree-optimization/118294] GCC doesn't unroll the outer loop of a nest where the outer body trivially only runs once

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118294 Tibor Győri changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/118294] New: GCC doesn't unroll the outer loop of a nest where the outer body trivially only runs once

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118294 Bug ID: 118294 Summary: GCC doesn't unroll the outer loop of a nest where the outer body trivially only runs once Product: gcc Version: 15.0 URL: https://godbolt.org/

[Bug libstdc++/118293] New: Inserting at front of an empty deque shouldn't need to allocate

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118293 Bug ID: 118293 Summary: Inserting at front of an empty deque shouldn't need to allocate Product: gcc Version: 14.2.0 Status: UNCONFIRMED Severity: normal

[Bug target/118288] Using new crc builtins on i386 leads to ICE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118288 --- Comment #5 from Sam James --- We still have a day or two left for stage3: https://inbox.sourceware.org/gcc-patches/came9roqmmtq5ch55hzbracx3gwkf1swo36wz+v+sfrbxy7s...@mail.gmail.com/.

[Bug tree-optimization/58902] small matrix multiplication non vectorized

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58902 Tibor Győri changed: What|Removed |Added CC||tiborgyri at gmail dot com,

[Bug target/118288] Using new crc builtins on i386 leads to ICE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118288 Andrew Pinski changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug target/118288] Using new crc builtins on i386 leads to ICE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118288 --- Comment #3 from Andrew Pinski --- Just for record the reduced testcase is: ``` signed char crc8_data8 () { return __builtin_crc8_data8 ('a', 0xff, 0x12); } ```

[Bug c++/113563] Rejects capture of `this` in C++23 `this auto` lambda

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113563 Andrew Pinski changed: What|Removed |Added CC||winmikedows at hotmail dot com --- Comm

[Bug c++/118291] Deducing this lambda cannot capture this pointer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118291 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/118292] New: Erroneous 'is_standard_layout' value in derived class with multi-level inheritance chain when [[no_unique_address]] is involved

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118292 Bug ID: 118292 Summary: Erroneous 'is_standard_layout' value in derived class with multi-level inheritance chain when [[no_unique_address]] is involved Product: gcc

[Bug c/118246] FLT128_TRUE_MIN not defined?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118246 newbie-02 changed: What|Removed |Added Resolution|--- |WORKSFORME Status|WAITING

[Bug c++/118199] [15 regression] -fno-elide-constructors vs no_unique_address

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118199 --- Comment #15 from Sam James --- .. because the default is gnu++17. It of course does help if I specify -std=c++14 on this testcase.

[Bug c++/118199] [15 regression] -fno-elide-constructors vs no_unique_address

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118199 Sam James changed: What|Removed |Added CC||simartin at gcc dot gnu.org --- Comment #14

[Bug c++/118225] [12/13/14/15 Regression] ICE: in build_class_member_access_expr, at cp/typeck.cc:2983

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118225 Simon Martin changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned a

[Bug c++/118291] New: Deducing this lambda cannot capture this pointer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118291 Bug ID: 118291 Summary: Deducing this lambda cannot capture this pointer Product: gcc Version: 15.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug fortran/106692] [12/13/14 Regression] Cray pointer comparison wrongly optimized away

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106692 --- Comment #20 from Paul Thomas --- (In reply to anlauf from comment #19) > Fixed on mainline so far. > > Will wait some time before considering backports. Hi Harald, In spite of my nervousness about the patch, I wouldn't wait very long to b

[Bug c/118290] New: ICE: argc.1 from nested referenced in nested

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118290 Bug ID: 118290 Summary: ICE: argc.1 from nested referenced in nested Product: gcc Version: 15.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c