Dear contributor, Our automatic CI has detected problems related to your patch(es). Please find some details below. In arm-eabi cortex-m3 softfp, after: | commit gcc-16-5258-g1d8e2d51e5c | Author: Andrew Pinski | Date: Tue Nov 11 11:29:38 2025 -0800 | | cfgcleanup: Support merging forwarder blocks with phis [PR122493] | | This adds support for merging forwarder blocks with phis in cleanupcfg. | This patch might seem small but that is because the previous patches were | done to build up to make it easier to add this support. | ... 45 lines of the commit log omitted. Produces 1 regression: | | regressions.sum: | Running gcc:gcc.dg/dg.exp ... | XPASS: gcc.dg/uninit-pred-7_a.c bogus warning (test for bogus messages, line 23) Used configuration : *CI config* tcwg_gnu_embed_check_gcc arm-eabi -mthumb -march=armv7-m -mtune=cortex-m3 -mfloat-abi=softfp -mfpu=auto *configure and test flags:* --target arm-eabi --disable-multilib --with-mode=thumb --with-cpu=cortex-m3 --with-float=softfp --target_board=-mthumb/-march=armv7-m/-mtune=cortex-m3/-mfloat-abi=softfp/-mfpu=auto qemu_cpu=cortex-m3 We track this bug report under https://linaro.atlassian.net/browse/GNU-1748. 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_m3_softfp_eabi-build/585/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_m3_softfp_eabi-build/585/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_m3_softfp_eabi-build/585/artifact/artifacts/sumfiles/xfails.xfail Current build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m3_softfp_eabi-build/585/artifact/artifacts Reference build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m3_softfp_eabi-build/583/artifact/artifacts Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/1d8e2d51e5c5cbdb6ad6f455a050af869103dad4/tcwg_gnu_embed_check_gcc/master-thumb_m3_softfp_eabi/reproduction_instructions.txt Full commit : See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git