Dear contributor, Our automatic CI has detected problems related to your patch(es). Please find some details below. In arm-linux-gnueabihf cross, after: | commit gcc-17-2315-g0ac16fdbee15 | Author: Pengfei Li | Date: Tue Jul 7 15:09:53 2026 +0000 | | match.pd: Eliminate dead operand in vector permute and insert patterns | | When shifting a vector by one element and then inserting a new element | into the vacated lane, GIMPLE can contain a VEC_PERM_EXPR followed by a | BIT_INSERT_EXPR. For example, the testcase in this patch has: | ... 31 lines of the commit log omitted. Produces 1 regression: | | regressions.sum: | Running gcc:gcc.dg/dg.exp ... | FAIL: gcc.dg/fold-vecperm-insert-1.c scan-tree-dump-times forwprop3 "VEC_PERM_EXPR.*v_[0-9]+.*v_[0-9]+" 1 Used configuration : *CI config* tcwg_gnu_cross_check_gcc arm-linux-gnueabihf cross *configure and test flags:* --target arm-linux-gnueabihf --disable-multilib --with-float=hard --with-fpu=vfpv3-d16 --with-mode=thumb --with-tune=cortex-a9 --with-arch=armv7-a We track this bug report under https://linaro.atlassian.net/browse/GNU-1963. (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-arm-build/builds/10214/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-arm-build/builds/10214/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-arm-build/builds/10214/archive/artifacts/sumfiles/xfails.xfail Current build : http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-arm-build/builds/10214/archive/artifacts/ Reference build : http://54.172.246.49:9090/jobs/tcwg_gnu_cross_check_gcc--master-arm-build/builds/10213/archive/artifacts/ Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/0ac16fdbee1509efe9cbdee89ae9fa7be9b87e78/tcwg_gnu_cross_check_gcc/master-arm/reproduction_instructions.txt Full commit : See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git