Thanks for the report. Looks like Nathan has reported this, too (as have Google3 folks): https://github.com/llvm/llvm-project/commit/fd311126349b8fe1684d62154a9fa5a7...

On Wed, Oct 18, 2023 at 7:31 PM ci_notify@linaro.org wrote:

Dear contributor, our automatic CI has detected problems related to your patch(es). Please find some details below. If you have any questions, please follow up on linaro-toolchain@lists.linaro.org mailing list, Libera's #linaro-tcwg channel, or ping your favourite Linaro toolchain developer on the usual project channel.

In CI config tcwg_kernel/llvm-master-aarch64-stable-defconfig after:

| commit llvmorg-18-init-8757-gfd311126349b | Author: Florian Hahn flo@fhahn.com | Date: Tue Oct 17 19:17:40 2023 +0100 | | [VPlan] Insert Trunc/Exts for reductions directly in VPlan. | | Update the code to create Trunc/Ext recipes directly in | adjustRecipesForReductions instead of fixing it up later in | fixReductions. | | This explicitly models the required conversions and also makes sure they | ... 2 lines of the commit log omitted.

Results changed to # reset_artifacts: -10 # build_abe binutils: -9 # build_kernel_llvm: -5 # build_abe qemu: -2 # linux_n_obj: 8020 # First few build errors in logs:

# 00:12:40 clang: error: clang frontend command failed with exit code 134 (use -v to see invocation) # 00:12:40 make[5]: *** [scripts/Makefile.build:243: drivers/platform/chrome/cros_ec_i2c.o] Error 1 # 00:13:18 make[4]: *** [scripts/Makefile.build:480: drivers/platform/chrome] Error 2 # 00:13:18 make[3]: *** [scripts/Makefile.build:480: drivers/platform] Error 2 # 00:13:37 clang: error: clang frontend command failed with exit code 134 (use -v to see invocation) # 00:13:37 make[7]: *** [scripts/Makefile.build:243: drivers/net/ethernet/intel/igb/igb_main.o] Error 1 # 00:13:46 make[6]: *** [scripts/Makefile.build:480: drivers/net/ethernet/intel/igb] Error 2 # 00:13:53 make[5]: *** [scripts/Makefile.build:480: drivers/net/ethernet/intel] Error 2 # 00:16:54 make[4]: *** [scripts/Makefile.build:480: drivers/net/ethernet] Error 2 # 00:16:54 make[3]: *** [scripts/Makefile.build:480: drivers/net] Error 2

From # reset_artifacts: -10 # build_abe binutils: -9 # build_kernel_llvm: -5 # build_abe qemu: -2 # linux_n_obj: 9166 # linux build successful: all # linux boot successful: boot

The configuration of this build is: CI config tcwg_kernel/llvm-master-aarch64-stable-defconfig

-----------------8<--------------------------8<--------------------------8<-------------------------- The information below can be used to reproduce a debug environment:

Current build : https://ci.linaro.org/job/tcwg_kernel--llvm-master-aarch64-stable-defconfig-... Reference build : https://ci.linaro.org/job/tcwg_kernel--llvm-master-aarch64-stable-defconfig-...

Reproduce last good and first bad builds: https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/llvm/sh...

Full commit : https://github.com/llvm/llvm-project/commit/fd311126349b8fe1684d62154a9fa5a7...

Latest bug report status : https://linaro.atlassian.net/browse/LLVM-1007

List of configurations that regressed due to this commit :

• tcwg_kernel

** llvm-master-aarch64-stable-defconfig *** Failure *** https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/llvm/sh... *** https://ci.linaro.org/job/tcwg_kernel--llvm-master-aarch64-stable-defconfig-...