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Re: [EXT] [Linaro-TCWG-CI] llvmorg-23-init-5513-gbd5f9384d831: 11 regressions on aarch64

by Maxim Kuvyrkov

> On Mar 3, 2026, at 03:45, Ram Ramachandra <artagnon(a)tenstorrent.com> wrote: > > ci_notify(a)linaro.org wrote: >> In tcwg_flang_test/main-aarch64-O3-neoverse_v1-sve_vla-mpipeliner-stack_arrays, after: >> | commit llvmorg-23-init-5513-gbd5f9384d831 >> | Author: Ramkumar Ramachandra <artagnon(a)tenstorrent.com> >> | Date: Thu Feb 26 14:50:25 2026 +0000 >> | >> | [VPlan] Extend interleave-group-narrowing to WidenCast (#183204) >> | >> | WidenCast is very similar to Widen recipes. >> | >> | Fixes #128062. >> >> Produces 11 regressions: >> | >> | regressions.sum: >> | Running test-suite:Fujitsu/C/0104 ... >> | NOEXE: test-suite :: Fujitsu/C/0104/Fujitsu-C-0104_0481.test >> | NOEXE: test-suite :: Fujitsu/C/0104/Fujitsu-C-0104_0483.test >> | NOEXE: test-suite :: Fujitsu/C/0104/Fujitsu-C-0104_0485.test >> | NOEXE: test-suite :: Fujitsu/C/0104/Fujitsu-C-0104_0487.test >> | ... and 8 more > > The NOEXE makes me question if the failure is real: did the compiler > crash during compilation? Hi Ram, Yes, the compiler crashed when compiling the above tests after your patch, and it didn't crash on the same tests just before your patch. Specifically, the clang seems to be hitting an assert in performVSelectCombine(): > /home/tcwg-buildslave/workspace/tcwg_llvm_0/test/sandbox/build/tools/timeit --summary Fujitsu/C/0104/CMakeFiles/Fujitsu-C-0104_0485.dir/0104_0485.c.o.time /home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin2/clang -DNDEBUG -O3 -mcpu=neoverse-v1 -msve-vector-bits=scalable -mllvm -scalable-vectorization=preferred -mllvm -aarch64-enable-pipeliner -mllvm -pipeliner-mve-cg -DNDEBUG -MD -MT Fujitsu/C/0104/CMakeFiles/Fujitsu-C-0104_0485.dir/0104_0485.c.o -MF Fujitsu/C/0104/CMakeFiles/Fujitsu-C-0104_0485.dir/0104_0485.c.o.d -o Fujitsu/C/0104/CMakeFiles/Fujitsu-C-0104_0485.dir/0104_0485.c.o -c /home/tcwg-buildslave/workspace/tcwg_llvm_0/test/test-suite/Fujitsu/C/0104/0104_0485.c > clang: /home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp:27720: SDValue performSelectCombine(SDNode *, TargetLowering::DAGCombinerInfo &): Assertion `DCI.isBeforeLegalize() || DAG.getTargetLoweringInfo().isTypeLegal(SrcVT)' failed. > PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script. > Stack dump: > 0. Program arguments: /home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang -DNDEBUG -O3 -mcpu=neoverse-v1 -msve-vector-bits=scalable -mllvm -scalable-vectorization=preferred -mllvm -aarch64-enable-pipeliner -mllvm -pipeliner-mve-cg -DNDEBUG -MD -MT Fujitsu/C/0104/CMakeFiles/Fujitsu-C-0104_0485.dir/0104_0485.c.o -MF Fujitsu/C/0104/CMakeFiles/Fujitsu-C-0104_0485.dir/0104_0485.c.o.d -o Fujitsu/C/0104/CMakeFiles/Fujitsu-C-0104_0485.dir/0104_0485.c.o -c /home/tcwg-buildslave/workspace/tcwg_llvm_0/test/test-suite/Fujitsu/C/0104/0104_0485.c > 1. <eof> parser at end of file > 2. Code generation > 3. Running pass 'Function Pass Manager' on module '/home/tcwg-buildslave/workspace/tcwg_llvm_0/test/test-suite/Fujitsu/C/0104/0104_0485.c'. > 4. Running pass 'AArch64 Instruction Selection' on function '@test' > #0 0x0000c11bea79ca98 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x1f6ca98) > #1 0x0000c11bea799ef8 llvm::sys::RunSignalHandlers() (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x1f69ef8) > #2 0x0000c11bea705108 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0 > #3 0x0000ec496bedb968 (linux-vdso.so.1+0x968) > #4 0x0000ec496b9a7608 __pthread_kill_implementation ./nptl/pthread_kill.c:44:76 > #5 0x0000ec496b95cb3c raise ./signal/../sysdeps/posix/raise.c:27:6 > #6 0x0000ec496b947e00 abort ./stdlib/abort.c:81:7 > #7 0x0000ec496b955cc0 __assert_fail_base ./assert/assert.c:93:7 > #8 0x0000ec496b955d30 __assert_perror_fail ./assert/assert-perr.c:31:1 > #9 0x0000c11be97c88e4 performVSelectCombine(llvm::SDNode*, llvm::SelectionDAG&) AArch64ISelLowering.cpp:0:0 > #10 0x0000c11be97b9eb4 llvm::AArch64TargetLowering::PerformDAGCombine(llvm::SDNode*, llvm::TargetLowering::DAGCombinerInfo&) const (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0xf89eb4) > #11 0x0000c11beb8186bc (anonymous namespace)::DAGCombiner::combine(llvm::SDNode*) DAGCombiner.cpp:0:0 > #12 0x0000c11beb816cdc llvm::SelectionDAG::Combine(llvm::CombineLevel, llvm::BatchAAResults*, llvm::CodeGenOptLevel) (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x2fe6cdc) > #13 0x0000c11beb9c1c54 llvm::SelectionDAGISel::CodeGenAndEmitDAG() (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x3191c54) > #14 0x0000c11beb9c083c llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x319083c) > #15 0x0000c11beb9bdb58 llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x318db58) > #16 0x0000c11beb9bb3f4 llvm::SelectionDAGISelLegacy::runOnMachineFunction(llvm::MachineFunction&) (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x318b3f4) > #17 0x0000c11be9cc22f4 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x14922f4) > #18 0x0000c11bea2a075c llvm::FPPassManager::runOnFunction(llvm::Function&) (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x1a7075c) > #19 0x0000c11bea2a8154 llvm::FPPassManager::runOnModule(llvm::Module&) (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x1a78154) > #20 0x0000c11bea2a10d4 llvm::legacy::PassManagerImpl::run(llvm::Module&) (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x1a710d4) > #21 0x0000c11beaaef2b4 clang::emitBackendOutput(clang::CompilerInstance&, clang::CodeGenOptions&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream>>, clang::BackendConsumer*) (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x22bf2b4) > #22 0x0000c11beb0150f0 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x27e50f0) > #23 0x0000c11bec6091d0 clang::ParseAST(clang::Sema&, bool, bool) (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x3dd91d0) > #24 0x0000c11beb27fab0 clang::FrontendAction::Execute() (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x2a4fab0) > #25 0x0000c11beb1fcd28 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x29ccd28) > #26 0x0000c11beb3639e0 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x2b339e0) > #27 0x0000c11be953bf28 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0xd0bf28) > #28 0x0000c11be95387c4 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, llvm::ToolContext const&, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>) driver.cpp:0:0 > #29 0x0000c11be953a79c int llvm::function_ref<int (llvm::SmallVectorImpl<char const*>&)>::callback_fn<clang_main(int, char**, llvm::ToolContext const&)::$_0>(long, llvm::SmallVectorImpl<char const*>&) driver.cpp:0:0 > #30 0x0000c11beb0757c0 void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>*, bool*) const::$_0>(long) Job.cpp:0:0 > #31 0x0000c11bea704e04 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x1ed4e04) > #32 0x0000c11beb074d74 clang::driver::CC1Command::Execute(llvm::ArrayRef<std::optional<llvm::StringRef>>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>*, bool*) const (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x2844d74) > #33 0x0000c11beb03c3ec clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&, bool) const (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x280c3ec) > #34 0x0000c11beb03c5dc clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&, bool) const (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x280c5dc) > #35 0x0000c11beb056800 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*>>&) (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0x2826800) > #36 0x0000c11be9537c10 clang_main(int, char**, llvm::ToolContext const&) (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0xd07c10) > #37 0x0000c11be95469c8 main (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0xd169c8) > #38 0x0000ec496b9484c4 __libc_start_call_main ./csu/../sysdeps/nptl/libc_start_call_main.h:74:3 > #39 0x0000ec496b948598 call_init ./csu/../csu/libc-start.c:128:20 > #40 0x0000ec496b948598 __libc_start_main ./csu/../csu/libc-start.c:347:5 > #41 0x0000c11be95361f0 _start (/home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin/clang+0xd061f0) > clang: error: clang frontend command failed due to signal (use -v to see invocation) > clang version 23.0.0git (https://github.com/llvm/llvm-project.git bd5f9384d831c01b5f388de0be910c385562ed77) > Target: aarch64-unknown-linux-gnu > Thread model: posix > InstalledDir: /home/tcwg-buildslave/workspace/tcwg_llvm_0/llvm-install/bin > Build config: +assertions > clang: note: diagnostic msg: > ******************** > > PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT: > Preprocessed source(s) and associated run script(s) are located at: > clang: note: diagnostic msg: /tmp/0104_0485-65a8ee.c > clang: note: diagnostic msg: /tmp/0104_0485-65a8ee.sh > clang: note: diagnostic msg: > > ******************** > timeout: the monitored command dumped core You can see full details in https://ci.linaro.org/job/tcwg_flang_test--main-aarch64-O3-neoverse_v1-sve_… . Kind regards, -- Maxim Kuvyrkov https://www.linaro.org > > Thanks. > > Warm regards, > Ram

1 day, 6 hours

[Linaro-TCWG-CI] binutils-2_41-release-10003-gf1a664fa55a: Failure on arm

by ci_notify＠linaro.org

Dear contributor, Our automatic CI has detected problems related to your patch(es). Please find some details below. In binutils_build master-arm, after: | commit binutils-2_41-release-10003-gf1a664fa55a | Author: Alan Modra <amodra(a)gmail.com> | Date: Tue Mar 3 10:20:54 2026 +1030 | | Define BFD_ASAN to detect asan Produces Failure: | Results changed to | # reset_artifacts: | -10 | # true: | 0 | # build_abe binutils: | # FAILED | # First few build errors in logs: | # 00:02:40 ./bfd.h:164:50: error: missing binary operator before token | # 00:02:41 make[4]: *** [Makefile:1766: archive.lo] Error 1 | # 00:02:41 make[3]: *** [Makefile:1946: all-recursive] Error 1 | # 00:02:41 make[2]: *** [Makefile:1332: all] Error 2 | # 00:02:41 make[1]: *** [Makefile:3138: all-bfd] Error 2 | # 00:02:41 make: *** [Makefile:1033: all] Error 2 | | From | # reset_artifacts: | -10 | # true: | 0 | # build_abe binutils: | 1 Used configuration : *CI config* tcwg_binutils_build master-arm *configure and test flags:* none, autodetected on armv8l-unknown-linux-gnueabihf We track this bug report under https://linaro.atlassian.net/browse/GNU-1850. Please let us know if you have a fix. If you have any questions regarding this report, please ask on linaro-toolchain(a)lists.linaro.org mailing list. -----------------8<--------------------------8<--------------------------8<-------------------------- The information below contains the details of the failures, and the ways to reproduce a debug environment: You can find the failure logs in * https://ci.linaro.org/job/tcwg_binutils_build--master-arm-build/3078/artifa… The full lists of regressions and improvements as well as configure and make commands are in * https://ci.linaro.org/job/tcwg_binutils_build--master-arm-build/3078/artifa… Current build : https://ci.linaro.org/job/tcwg_binutils_build--master-arm-build/3078/artifa… Reference build : https://ci.linaro.org/job/tcwg_binutils_build--master-arm-build/3076/artifa… Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/binut… Full commit : https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=f1a664fa55a9e…

1 day, 9 hours

[Linaro-TCWG-CI] newlib-4.6.0-5-g4356ccd02c: 34 regressions on master-thumb_m55_hard_eabi

by ci_notify＠linaro.org

Dear contributor, Our automatic CI has detected problems related to your patch(es). Please find some details below. In arm-eabi cortex-m55 hard, after: | commit newlib-4.6.0-5-g4356ccd02c | Author: Thomas Wolff <towo(a)towo.net> | Date: Mon Feb 2 00:00:00 2026 +0000 | | towupper/towlower: handle Turkic language special casing | | For case conversion, Unicode has a standard mapping and a separate | list of mapping rules for special cases (file SpecialCasing.txt), | some of which are also language-dependent (as configured via locale). | ... 10 lines of the commit log omitted. Produces 34 regressions: | | regressions.sum: | Running libstdc++:libstdc++-dg/conformance.exp ... | FAIL: 22_locale/ctype/is/wchar_t/1.cc -std=gnu++20 execution test | FAIL: 22_locale/ctype/is/wchar_t/11740.cc -std=gnu++20 execution test | FAIL: 22_locale/ctype/to/wchar_t/1.cc -std=gnu++20 execution test | FAIL: 22_locale/time_get/get/wchar_t/1.cc -std=gnu++20 execution test | ... and 30 more Used configuration : *CI config* tcwg_gnu_embed_check_gcc arm-eabi -mthumb -march=armv8.1-m.main+mve.fp+fp.dp -mtune=cortex-m55 -mfloat-abi=hard -mfpu=auto *configure and test flags:* --target arm-eabi --disable-multilib --with-mode=thumb --with-arch=armv8.1-m.main+mve.fp+fp.dp --with-float=hard --target_board=-mthumb/-march=armv8.1-m.main+mve.fp+fp.dp/-mtune=cortex-m55/-mfloat-abi=hard/-mfpu=auto qemu-cpu=cortex-m55 We track this bug report under https://linaro.atlassian.net/browse/GNU-1849. Please let us know if you have a fix. If you have any questions regarding this report, please ask on linaro-toolchain(a)lists.linaro.org mailing list. -----------------8<--------------------------8<--------------------------8<-------------------------- The information below contains the details of the failures, and the ways to reproduce a debug environment: You can find the failure logs in *.log.1.xz files in * https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m55_hard_e… The full lists of regressions and improvements as well as configure and make commands are in * https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m55_hard_e… The list of [ignored] baseline and flaky failures are in * https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m55_hard_e… Current build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m55_hard_e… Reference build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m55_hard_e… Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/newli… Full commit : https://sourceware.org/git/?p=newlib-cygwin.git;a=commitdiff;h=4356ccd02c9c…

1 week

[Linaro-TCWG-CI] v6.19-rc1-6-g9b8a0ba68246a: Failure on arm

by ci_notify＠linaro.org

Dear contributor, Our automatic CI has detected problems related to your patch(es). Please find some details below. In master-arm, after: | commit v6.19-rc1-6-g9b8a0ba68246a | Author: Christian Brauner <brauner(a)kernel.org> | Date: Mon Dec 29 14:03:24 2025 +0100 | | mount: add OPEN_TREE_NAMESPACE | | When creating containers the setup usually involves using CLONE_NEWNS | via clone3() or unshare(). This copies the caller's complete mount | namespace. The runtime will also assemble a new rootfs and then use | ... 54 lines of the commit log omitted. Produces Failure: | Results changed to | # reset_artifacts: | -10 | # true: | 0 | # build_abe binutils: | 1 | # build_abe stage1 --: | 2 | # build_abe linux: | 3 | # build_abe glibc: | # FAILED | # build_abe stage2 --: | # build_abe gdb: | # build_abe qemu: | # First few build errors in logs: | # 00:05:26 ../sysdeps/unix/sysv/linux/sys/mount.h:267:9: error: ‘OPEN_TREE_CLONE’ redefined [-Werror] | # 00:05:26 make[2]: *** [/home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/arm-linux-gnueabihf/glibc-glibc.git~master/sysd-rules:111: /home/tcwg-buildslave/workspace/tcwg_gnu_1/abe/builds/x86_64-pc-linux-gnu/arm-linux-gnueabihf/glibc-glibc.git~master/misc/umount.o] Error 1 | # 00:05:26 make[1]: *** [Makefile:484: misc/subdir_lib] Error 2 | # 00:05:26 make: *** [Makefile:20: all] Error 2 | | From | # reset_artifacts: | -10 | # true: | 0 | # build_abe binutils: | 1 | # build_abe stage1 --: | 2 | # build_abe linux: | 3 | # build_abe glibc: | 4 | # build_abe stage2 --: | 5 | # build_abe gdb: | 6 | # build_abe qemu: | 7 Used configuration : *CI config* tcwg_gnu_cross_build master-arm *configure and test flags:* --target arm-linux-gnueabihf We track this bug report under https://linaro.atlassian.net/browse/GNU-1845. Please let us know if you have a fix. If you have any questions regarding this report, please ask on linaro-toolchain(a)lists.linaro.org mailing list. -----------------8<--------------------------8<--------------------------8<-------------------------- The information below contains the details of the failures, and the ways to reproduce a debug environment: You can find the failure logs in * https://ci.linaro.org/job/tcwg_gnu_cross_build--master-arm-build/1380/artif… The full lists of regressions and improvements as well as configure and make commands are in * https://ci.linaro.org/job/tcwg_gnu_cross_build--master-arm-build/1380/artif… Current build : https://ci.linaro.org/job/tcwg_gnu_cross_build--master-arm-build/1380/artif… Reference build : https://ci.linaro.org/job/tcwg_gnu_cross_build--master-arm-build/1379/artif… Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/linux… Full commit : https://gitlab.com/Linaro/lkft/mirrors/torvalds/linux-mainline/commit/9b8a0…

1 week, 3 days

Re: [Linaro-TCWG-CI] gcc-16-7593-g39edc2aea24f: 4 regressions on aarch64

by Jonathan Wakely

On Thu, 19 Feb 2026 at 23:09, <ci_notify(a)linaro.org> wrote: > > Dear contributor, > > Our automatic CI has detected problems related to your patch(es). Please find some details below. > > In gcc_check master-aarch64, after: > | commit gcc-16-7593-g39edc2aea24f > | Author: Jonathan Wakely <jwakely(a)redhat.com> > | Date: Tue Feb 17 12:48:51 2026 +0000 > | > | libstdc++: Use global variables for default/max std in libstdc++.exp > | > | This simplifies the v3-minimum-std procedure slightly, but the main > | advantage is making v3_modules_std depend on v3_max_std so that we don't > | have to update two separate variables when new effective targets such as > | ... 12 lines of the commit log omitted. > > Produces 4 regressions: > | > | regressions.sum: > | Running libstdc++:libstdc++-dg/conformance.exp ... > | ERROR: tcl error code TCL WRONGARGS > | ERROR: tcl error sourcing libstdc++-dg/conformance.exp. > | UNRESOLVED: testcase libstdc++-dg/conformance.exp' aborted due to Tcl error > | ERROR: wrong # args: should be "v3-minimum-std test default_std max_std" > > Used configuration : > *CI config* tcwg_gcc_check master-aarch64 > *configure and test flags:* none, autodetected on aarch64-unknown-linux-gnu > > We track this bug report under https://linaro.atlassian.net/browse/GNU-1842. Please let us know if you have a fix. This should be fixed at r16-7599-g8d8725bedd2f7c > > If you have any questions regarding this report, please ask on linaro-toolchain(a)lists.linaro.org mailing list. > > -----------------8<--------------------------8<--------------------------8<-------------------------- > > The information below contains the details of the failures, and the ways to reproduce a debug environment: > > You can find the failure logs in *.log.1.xz files in > * https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/4763/artifac… > The full lists of regressions and improvements as well as configure and make commands are in > * https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/4763/artifac… > The list of [ignored] baseline and flaky failures are in > * https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/4763/artifac… > > Current build : https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/4763/artifac… > Reference build : https://ci.linaro.org/job/tcwg_gcc_check--master-aarch64-build/4762/artifac… > > Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/s… > > Full commit : See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git

1 week, 5 days

Re: [Linaro-TCWG-CI] gcc-16-5627-g4e7213aa081f: 1 regression on master-thumb_m55_hard_eabi

by Tomasz Kaminski

Hi, I am unable to reproduce the issue, and cannot access the included log files to check the failure. Could you please share the revelant part of log, at least from time/hash.cc? On Fri, Jan 9, 2026 at 10:23 PM <ci_notify(a)linaro.org> wrote: > Dear contributor, > > Our automatic CI has detected problems related to your patch(es). Please > find some details below. > > In arm-eabi cortex-m55 hard, after: > | commit gcc-16-5627-g4e7213aa081f > | Author: Tomasz Kamiński <tkaminsk(a)redhat.com> > | Date: Wed Nov 26 14:28:39 2025 +0100 > | > | libstdc++: Fix typo in operator used in __pack_ints [PR122864] > | > | `<=` was used instead of `<<`, this was detected by clang warning. > | > | PR libstdc++/122864 > | ... 5 lines of the commit log omitted. > > Produces 1 regression: > | > | regressions.sum: > | Running libstdc++:libstdc++-dg/conformance.exp ... > | FAIL: std/time/hash.cc -std=gnu++26 execution test > > Used configuration : > *CI config* tcwg_gnu_embed_check_gcc arm-eabi -mthumb > -march=armv8.1-m.main+mve.fp+fp.dp -mtune=cortex-m55 -mfloat-abi=hard > -mfpu=auto > *configure and test flags:* --target arm-eabi --disable-multilib > --with-mode=thumb --with-arch=armv8.1-m.main+mve.fp+fp.dp --with-float=hard > --target_board=-mthumb/-march=armv8.1-m.main+mve.fp+fp.dp/-mtune=cortex-m55/-mfloat-abi=hard/-mfpu=auto > qemu-cpu=cortex-m55 > > We track this bug report under > https://linaro.atlassian.net/browse/GNU-1806. Please let us know if you > have a fix. > > If you have any questions regarding this report, please ask on > linaro-toolchain(a)lists.linaro.org mailing list. > > > -----------------8<--------------------------8<--------------------------8<-------------------------- > > The information below contains the details of the failures, and the ways > to reproduce a debug environment: > > You can find the failure logs in *.log.1.xz files in > * > https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m55_hard_e… > The full lists of regressions and improvements as well as configure and > make commands are in > * > https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m55_hard_e… > The list of [ignored] baseline and flaky failures are in > * > https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m55_hard_e… > > Current build : > https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m55_hard_e… > Reference build : > https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m55_hard_e… > > Instruction to reproduce the build : > https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/s… > > Full commit : See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git

4 weeks, 1 day

Re: [Linaro-TCWG-CI] gcc-16-7209-gc035985fd611: 4 regressions 4 fixes on arm

by Alexandre Oliva

On Jan 31, 2026, ci_notify(a)linaro.org wrote: > | regressions.sum: > | Running gcc:gcc.target/arm/arm.exp ... > | FAIL: gcc.target/arm/crypto-vsha1cq_u32.c scan-assembler-times > | vdup.32\\tq[0-9]+, (?:r[0-9]+|d[0-9]+\\[[0-9]+\\]) 4 > | > | fixes.sum: > | Running gcc:gcc.target/arm/arm.exp ... > | FAIL: gcc.target/arm/crypto-vsha1cq_u32.c scan-assembler-times > | vdup.32\\tq[0-9]+, r[0-9]+ 4 That looks like still the same failure, but since the pattern is textually different, it is no longer recognized as the same test point. Unfortunately, the code this test run of yours generates doesn't match the new pattern either. I guess the pattern will need to be extended further. -- Alexandre Oliva, happy hacker https://blog.lx.oliva.nom.br/ Free Software Activist FSFLA co-founder GNU Toolchain Engineer More tolerance and less prejudice are key for inclusion and diversity. Excluding neuro-others for not behaving ""normal"" is *not* inclusive!

1 month

RE: [Linaro-TCWG-CI] gcc-16-6913-g304d08fea9e6: 1 regression on arm

by Prathamesh Kulkarni

Hi, Thanks for the report. I have posted patch to fix the issue: https://gcc.gnu.org/pipermail/gcc-patches/2026-January/707277.html Can you please check if the above patch fixes the issue at your end ? Thanks, Prathamesh > -----Original Message----- > From: ci_notify(a)linaro.org <ci_notify(a)linaro.org> > Sent: 23 January 2026 13:39 > To: Prathamesh Kulkarni <prathameshk(a)nvidia.com> > Cc: gcc-regression(a)gcc.gnu.org; mmalcolmson(a)nvidia.com > Subject: [Linaro-TCWG-CI] gcc-16-6913-g304d08fea9e6: 1 regression on > arm > > External email: Use caution opening links or attachments > > > Dear contributor, > > Our automatic CI has detected problems related to your patch(es). > Please find some details below. > > In master-arm, after: > | commit gcc-16-6913-g304d08fea9e6 > | Author: Matthew Malcolmson <mmalcolmson(a)nvidia.com> > | Date: Tue Jan 20 03:54:51 2026 +0000 > | > | libgomp: Ensure memory sync after performing tasks > | > | As described in PR 122356 there is a theoretical bug around > not > | "publishing" user data written in a task when that task has > been > | executed by a thread after entry to a barrier. > | ... 89 lines of the commit log omitted. > > Produces 1 regression: > | > | regressions.sum: > | Running libgomp:libgomp.c/c.exp ... > | FAIL: libgomp.c/pr122356.c execution test > > Used configuration : > *CI config* tcwg_gnu_cross_check_gcc master-arm *configure and test > flags:* --target arm-linux-gnueabihf > > We track this bug report under > https://linaro.atlassian.net/browse/GNU-1822. Please let us know if > you have a fix. > > If you have any questions regarding this report, please ask on linaro- > toolchain(a)lists.linaro.org mailing list. > > -----------------8<--------------------------8<----------------------- > ---8<-------------------------- > > The information below contains the details of the failures, and the > ways to reproduce a debug environment: > > You can find the failure logs in *.log.1.xz files in > * https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc--master-arm- > build/2581/artifact/artifacts/00-sumfiles/ > The full lists of regressions and improvements as well as configure > and make commands are in > * https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc--master-arm- > build/2581/artifact/artifacts/notify/ > The list of [ignored] baseline and flaky failures are in > * https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc--master-arm- > build/2581/artifact/artifacts/sumfiles/xfails.xfail > > Current build : https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc-- > master-arm-build/2581/artifact/artifacts > Reference build : https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc-- > master-arm-build/2580/artifact/artifacts > > Instruction to reproduce the build : > https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/- > /raw/master/gcc/sha1/304d08fea9e68c5b4806532816b58d33a15a917d/tcwg_gnu > _cross_check_gcc/master-arm/reproduction_instructions.txt > > Full commit : See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git

1 month

[Linaro-TCWG-CI] binutils-2_41-release-9539-g737979d0b3d: 2 regressions on aarch64

by ci_notify＠linaro.org

Dear contributor, Our automatic CI has detected problems related to your patch(es). Please find some details below. In master-aarch64, after: | commit binutils-2_41-release-9539-g737979d0b3d | Author: Richard Ball <richard.ball(a)arm.com> | Date: Tue Jan 28 17:06:58 2025 +0000 | | gas: implement parsing of object attributes v2 | | This patch adds the parsing logic for Object Attributes v2 (OAv2), enabling | Gas to interpret and process these attributes correctly. It also updates the | AArch64 backend to utilize the new parsing capabilities, and handle the new | ... 65 lines of the commit log omitted. Produces 2 regressions: | | regressions.sum: | Running gcc:gcc.target/aarch64/aarch64.exp ... | FAIL: gcc.target/aarch64/bti-1.c scan-assembler .section\t.note.gnu.property | FAIL: gcc.target/aarch64/bti-1.c scan-assembler .word\t0x7\t// GNU_PROPERTY_AARCH64_FEATURE_1_AND \$BTI, PAC, GCS\$ Used configuration : *CI config* tcwg_gnu_cross_check_gcc master-aarch64 *configure and test flags:* --target aarch64-linux-gnu We track this bug report under https://linaro.atlassian.net/browse/GNU-1828. Please let us know if you have a fix. If you have any questions regarding this report, please ask on linaro-toolchain(a)lists.linaro.org mailing list. -----------------8<--------------------------8<--------------------------8<-------------------------- The information below contains the details of the failures, and the ways to reproduce a debug environment: You can find the failure logs in *.log.1.xz files in * https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc--master-aarch64-build/25… The full lists of regressions and improvements as well as configure and make commands are in * https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc--master-aarch64-build/25… The list of [ignored] baseline and flaky failures are in * https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc--master-aarch64-build/25… Current build : https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc--master-aarch64-build/25… Reference build : https://ci.linaro.org/job/tcwg_gnu_cross_check_gcc--master-aarch64-build/25… Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/binut… Full commit : https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=737979d0b3d3c…

1 month

Re: [Linaro-TCWG-CI] gcc-16-5975-gfae0c626250: 1 regression on master-thumb_m23_soft_eabi

by Andrew Pinski

On Wed, Jan 21, 2026 at 5:50 AM <ci_notify(a)linaro.org> wrote: > > Dear contributor, > > Our automatic CI has detected problems related to your patch(es). Please find some details below. > > In arm-eabi cortex-m23 soft, after: > | commit gcc-16-5975-gfae0c626250 > | Author: Andrew Pinski <andrew.pinski(a)oss.qualcomm.com> > | Date: Sat Dec 6 01:11:29 2025 -0800 > | > | final_cleanup: Call make_forwarders_with_degenerate_phis [PR46555] > | > | This fixes a regression introduced with r16-5258-g1d8e2d51e5c5cb. > | With GCC 12+, we would not merge forwarders (with phis, vops included), > | this meant that after the last cddce, degenerate phis would stay not > | ... 22 lines of the commit log omitted. > > Produces 1 regression: > | > | regressions.sum: > | Running gcc:gcc.dg/tree-ssa/tree-ssa.exp ... > | FAIL: gcc.dg/tree-ssa/pr46555.c scan-rtl-dump pro_and_epilogue "Performing shrink-wrapping" > > Used configuration : > *CI config* tcwg_gnu_embed_check_gcc arm-eabi -mthumb -march=armv8-m.base -mtune=cortex-m23 -mfloat-abi=soft -mfpu=auto > *configure and test flags:* --target arm-eabi --disable-multilib --with-mode=thumb --with-cpu=cortex-m23 --with-float=soft --target_board=-mthumb/-march=armv8-m.base/-mtune=cortex-m23/-mfloat-abi=soft/-mfpu=auto qemu_cpu=cortex-m33 > > We track this bug report under https://linaro.atlassian.net/browse/GNU-1819. Please let us know if you have a fix. Filed https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123751 and fixed in r16-6969-g41878c161c480. Thanks, Andrew > > If you have any questions regarding this report, please ask on linaro-toolchain(a)lists.linaro.org mailing list. > > -----------------8<--------------------------8<--------------------------8<-------------------------- > > The information below contains the details of the failures, and the ways to reproduce a debug environment: > > You can find the failure logs in *.log.1.xz files in > * https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m23_soft_e… > The full lists of regressions and improvements as well as configure and make commands are in > * https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m23_soft_e… > The list of [ignored] baseline and flaky failures are in > * https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m23_soft_e… > > Current build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m23_soft_e… > Reference build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m23_soft_e… > > Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/s… > > Full commit : See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git

1 month, 1 week

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