Dear contributor, Our automatic CI has detected problems related to your patch(es). Please find some details below. In bootstrap_check master-aarch64-check_bootstrap, after: | commit gcc-17-3040-gc07fc7b5c698 | Author: Kyrylo Tkachov | Date: Thu Aug 6 16:29:25 2026 +0200 | | match: fold two idioms built from the negation of a value | | X | -X has every bit from the lowest set bit of X upwards, so adding X to | it clears that bit, and masking with it isolates the padding needed to | round X up: | ... 52 lines of the commit log omitted. Produces 2 regressions: | | regressions.sum: | Running gcc:gcc.dg/tree-ssa/tree-ssa.exp ... | FAIL: gcc.dg/tree-ssa/signbit-1.c scan-tree-dump-times optimized " != 0" 3 | FAIL: gcc.dg/tree-ssa/signbit-1.c scan-tree-dump-times optimized " \\| " 1 Used configuration : *CI config* tcwg_bootstrap_check master-aarch64-check_bootstrap *configure and test flags:* none, autodetected on aarch64-unknown-linux-gnu We track this bug report under https://linaro.atlassian.net/browse/GNU-1990. (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_bootstrap_check--master-aarch64-check_bootstrap-build/builds/10213/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_bootstrap_check--master-aarch64-check_bootstrap-build/builds/10213/archive/artifacts/notify/ The list of [ignored] baseline and flaky failures are in * http://54.172.246.49:9090/jobs/tcwg_bootstrap_check--master-aarch64-check_bootstrap-build/builds/10213/archive/artifacts/sumfiles/xfails.xfail Current build : http://54.172.246.49:9090/jobs/tcwg_bootstrap_check--master-aarch64-check_bootstrap-build/builds/10213/archive/artifacts/ Reference build : http://54.172.246.49:9090/jobs/tcwg_bootstrap_check--master-aarch64-check_bootstrap-build/builds/10212/archive/artifacts/ Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/c07fc7b5c69884adbfea21c3db08a9583f664377/tcwg_bootstrap_check/master-aarch64-check_bootstrap/reproduction_instructions.txt Full commit : See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git