Dear contributor, Our automatic CI has detected problems related to your patch(es). Please find some details below. In arm-eabi cortex-m0 soft, after: | commit gcc-16-4735-g44c27171c36a | Author: Artemiy Volkov | Date: Thu Oct 30 07:42:03 2025 -0600 | | [PATCH][PR tree-optimization/122478] match.pd: fix simplify pattern for view_convert (BIT_FIELD_REF) | | The pattern introduced in r16-4682-g5eafa8d16be873 couldn't handle | conversion from to unsigned char, which ended up | causing a gimple checking failure reported in PR122478. This patch fixes | ... 18 lines of the commit log omitted. Produces 1 regression: | | regressions.sum: | Running gcc:gcc.dg/tree-ssa/tree-ssa.exp ... | UNRESOLVED: gcc.dg/tree-ssa/pr122478.c scan-tree-dump-times 1 "VIEW_CONVERT_EXPR" optimized Used configuration : *CI config* tcwg_gnu_embed_check_gcc arm-eabi -mthumb -march=armv6s-m -mtune=cortex-m0 -mfloat-abi=soft -mfpu=auto *configure and test flags:* --target arm-eabi --disable-multilib --with-mode=thumb --with-cpu=cortex-m0 --with-float=soft --target_board=-mthumb/-march=armv6s-m/-mtune=cortex-m0/-mfloat-abi=soft/-mfpu=auto qemu_cpu=cortex-m0 We track this bug report under https://linaro.atlassian.net/browse/GNU-1737. Please let us know if you have a fix. If you have any questions regarding this report, please ask on linaro-toolchain@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_m0_soft_eabi-build/535/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_m0_soft_eabi-build/535/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_m0_soft_eabi-build/535/artifact/artifacts/sumfiles/xfails.xfail Current build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m0_soft_eabi-build/535/artifact/artifacts Reference build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m0_soft_eabi-build/534/artifact/artifacts Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/44c27171c36a9128da970fb35d4790de42a82b4d/tcwg_gnu_embed_check_gcc/master-thumb_m0_soft_eabi/reproduction_instructions.txt Full commit : See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git