Dear contributor, Our automatic CI has detected problems related to your patch(es). Please find some details below. In aarch64 cross, after: | commit gcc-17-2478-g3adb33259541 | Author: Richard Biener | Date: Wed Jul 15 11:33:50 2026 +0200 | | Improve BB vectorization of reductions | | When there's not a uniform chain of operations gathered from the | reduction operation chain we currently simply fail and to make | success more likely we strip off the last operation to make the | ... 20 lines of the commit log omitted. Produces 1 regression: | | regressions.sum: | Running gcc:gcc.target/aarch64/aarch64.exp ... | FAIL: gcc.target/aarch64/vect-vaddv.c execution test Used configuration : *CI config* tcwg_gnu_cross_check_gcc aarch64-linux-gnu cross *configure and test flags:* --target aarch64-linux-gnu --disable-multilib --enable-fix-cortex-a53-835769 --enable-fix-cortex-a53-843419 --with-arch=armv8-a We track this bug report under https://linaro.atlassian.net/browse/GNU-1977. (Require Linaro login) 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 * http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-aarch64-build/builds/10248/archive/artifacts/00-sumfiles/ The full lists of regressions and improvements as well as configure and make commands are in * http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-aarch64-build/builds/10248/archive/artifacts/notify/ The list of [ignored] baseline and flaky failures are in * http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-aarch64-build/builds/10248/archive/artifacts/sumfiles/xfails.xfail Current build : http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-aarch64-build/builds/10248/archive/artifacts/ Reference build : http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-aarch64-build/builds/10247/archive/artifacts/ Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/3adb3325954177939d59031055fc08a81ae21be3/tcwg_gnu_cross_check_gcc/master-aarch64/reproduction_instructions.txt Full commit : See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git