[Linaro-TCWG-CI] gcc-16-7434-g6b550d69fe7c: 2 regressions on master-thumb_m55_hard_eabi
ci_notify--- via Gcc-regression <[email protected]>
| Newsgroups | gmane.comp.gcc.regression |
|---|---|
| Message-ID | <[email protected]> |
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-16-7434-g6b550d69fe7c | Author: Tomasz Kamiński <[email protected]> | Date: Thu Jan 29 18:14:47 2026 +0100 | | libstdc++: Allow constant initialization of std::atomic of types with padding [PR123875] | | Currently for the types T that contains padding bits, std::atomic<T>(T) | constructor was not usable at compile-time in C++14 or later modes. This | regression caused by use of __builtin_clear_padding introduced in | ... 49 lines of the commit log omitted. Produces 2 regressions: | | regressions.sum: | Running libstdc++:libstdc++-dg/conformance.exp ... | FAIL: 29_atomics/atomic/cons/static_zero_padding.cc -std=gnu++20 (test for excess errors) | UNRESOLVED: 29_atomics/atomic/cons/static_zero_padding.cc -std=gnu++20 compilation failed to produce executable 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-1865. 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-thumb_m55_hard_eabi-build/1098/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-thumb_m55_hard_eabi-build/1098/artifact/artifacts/notify/ The list of [ignored] baseline and flaky failures are in * https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m55_hard_eabi-build/1098/artifact/artifacts/sumfiles/xfails.xfail Current build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m55_hard_eabi-build/1098/artifact/artifacts Reference build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m55_hard_eabi-build/1097/artifact/artifacts Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/6b550d69fe7cb62ea6e240ce7a4ba29ce33aa1b1/tcwg_gnu_embed_check_gcc/master-thumb_m55_hard_eabi/reproduction_instructions.txt Full commit : See in git+ssh://[email protected]/git/gcc.git