Dear contributor, Our automatic CI has detected problems related to your patch(es). Please find some details below.
In bootstrap_build master-aarch64-bootstrap_ubsan, after: | commit gcc-16-5561-g283eb27d5f67 | Author: Robin Dapp <[email protected]> | Date: Sun Nov 16 18:42:04 2025 +0100 | | forwprop: Allow nop conversions for vector constructor. | | I observed a vect-construct forwprop opportunity in x264 that we | could handle when checking for a nop conversion instead of a useless | conversion. IMHO a nop-conversion check is sufficient as we're only | ... 21 lines of the commit log omitted. Produces Failure: | Results changed to | # reset_artifacts: | -10 | # true: | 0 | # build_abe bootstrap_ubsan: | # FAILED | # First few build errors in logs: | # 01:48:39 /home/tcwg-buildslave/workspace/tcwg_gnu_3/abe/snapshots/gcc.git~master/gcc/reload1.cc:2121:1: error: not allowed type combination in ‘bit_insert_expr’ | # 01:48:39 /home/tcwg-buildslave/workspace/tcwg_gnu_3/abe/snapshots/gcc.git~master/gcc/reload1.cc:2121:1: internal compiler error: verify_gimple failed | # 01:48:39 make[3]: *** [Makefile:1216: reload1.o] Error 1 | # 01:48:39 make[2]: *** [Makefile:5723: all-stage3-gcc] Error 2 | # 01:48:39 make[1]: *** [Makefile:27707: stage3-bubble] Error 2 | # 01:48:39 make: *** [Makefile:1103: all] Error 2 | | From | # reset_artifacts: | -10 | # true: | 0 | # build_abe bootstrap_ubsan: | 1 Used configuration : *CI config* tcwg_bootstrap_build master-aarch64-bootstrap_ubsan *configure and test flags:* none, autodetected on aarch64-unknown-linux-gnu We track this bug report under https://linaro.atlassian.net/browse/GNU-1761. Please let us know if you have a fix. If you have any questions regarding this report, please ask on [email protected] 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 * https://ci.linaro.org/job/tcwg_bootstrap_build--master-aarch64-bootstrap_ubsan-build/991/artifact/artifacts/ The full lists of regressions and improvements as well as configure and make commands are in * https://ci.linaro.org/job/tcwg_bootstrap_build--master-aarch64-bootstrap_ubsan-build/991/artifact/artifacts/notify/ Current build : https://ci.linaro.org/job/tcwg_bootstrap_build--master-aarch64-bootstrap_ubsan-build/991/artifact/artifacts Reference build : https://ci.linaro.org/job/tcwg_bootstrap_build--master-aarch64-bootstrap_ubsan-build/990/artifact/artifacts Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sha1/283eb27d5f674b6fb11d8640495993e2ec693608/tcwg_bootstrap_build/master-aarch64-bootstrap_ubsan/reproduction_instructions.txt Full commit : See in git+ssh://[email protected]/git/gcc.git
