Re: [Linaro-TCWG-CI] gcc-16-2334-g9e330977385: 2 regressions on arm
Jonathan Wakely via Gcc-regression <[email protected]>
| Newsgroups | gmane.comp.gcc.regression,gmane.linux.linaro.toolchain |
|---|---|
| Message-ID | <CACb0b4mvzgDR3owUeYqo42GVv7_2OaL8H3KswdH3eobG_z2x7A@mail.gmail.com> |
Tomasz, The new __any_input_iterator type should only be declared for C++20 and higher, so guarded by __cpp_lib_concepts Just checking __cpp_concepts isn't enough, because that's true for -std=c++17 -fconcepts but std::input_iterator isn't defined in that case. On Fri, 18 Jul 2025 at 17:18, <[email protected]> wrote: > > Dear contributor, > > Our automatic CI has detected problems related to your patch(es). Please find some details below. > > In arm-eabi v7-a softfp, after: > | commit gcc-16-2334-g9e330977385 > | Author: Jonathan Wakely <[email protected]> > | Date: Thu Jun 5 12:05:19 2025 +0100 > | > | libstdc++: Add std::inplace_vector for C++26 (P0843R14) [PR119137] > | > | Implement std::inplace_vector as specified in P0843R14, without follow > | up papers, in particular P3074R7 (trivial unions). In consequence > | inplace_vector<T, N> can be used inside constant evaluations only > | ... 62 lines of the commit log omitted. > > Produces 2 regressions: > | > | regressions.sum: > | Running g++:g++.dg/dg.exp ... > | FAIL: g++.dg/concepts/expression.C -std=gnu++17 (test for excess errors) > | UNRESOLVED: g++.dg/concepts/expression.C -std=gnu++17 compilation failed to produce executable > > Used configuration : > *CI config* tcwg_gnu_embed_check_gcc arm-eabi -marm -march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=softfp > *configure and test flags:* --target arm-eabi --disable-multilib --with-mode=arm --with-arch=armv7-a --with-fpu=vfpv3-d16 --with-float=softfp --target_board=-marm/-march=armv7-a/-mfpu=vfpv3-d16/-mfloat-abi=softfp qemu_cpu=cortex-a9 > > We track this bug report under https://linaro.atlassian.net/browse/GNU-1636. Please let us know if you have a fix. > > If you have any questions regarding this report, please ask on [email protected] 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-arm_v7a_softfp_eabi-build/895/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_embed_check_gcc--master-arm_v7a_softfp_eabi-build/895/artifact/artifacts/notify/ > The list of [ignored] baseline and flaky failures are in > * https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-arm_v7a_softfp_eabi-build/895/artifact/artifacts/sumfiles/xfails.xfail > > Current build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-arm_v7a_softfp_eabi-build/895/artifact/artifacts > Reference build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-arm_v7a_softfp_eabi-build/894/artifact/artifacts > > Instruction to reproduce the build : https://gitlab.com/Linaro/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/9e3309773855d3639fdb9a7a7f7176612f16cd28/tcwg_gnu_embed_check_gcc/master-arm_v7a_softfp_eabi/reproduction_instructions.txt > > Full commit : See in git+ssh://[email protected]/git/gcc.git