That patch was reverted.

From: ci_notify@linaro.org ci_notify@linaro.org Date: Monday, June 23, 2025 at 07:20 To: ohno.yasuyuki@fujitsu.com ohno.yasuyuki@fujitsu.com, itou.tetsuya@fujitsu.com itou.tetsuya@fujitsu.com, t-kawashima@fujitsu.com t-kawashima@fujitsu.com Cc: maxim.kuvyrkov@linaro.org maxim.kuvyrkov@linaro.org, Peter Klausler pklausler@nvidia.com Subject: [Linaro-TCWG-CI] llvmorg-21-init-14994-g163c67ad3d1b: 41 regressions on aarch64 External email: Use caution opening links or attachments

Dear contributor,

Our automatic CI has detected problems related to your patch(es). Please find some details below.

In tcwg_flang_test/main-aarch64-O0-debug, after: | commit llvmorg-21-init-14994-g163c67ad3d1b | Author: Peter Klausler pklausler@nvidia.com | Date: Tue Jun 10 14:44:19 2025 -0700 | | [flang][runtime] Replace recursion with iterative work queue (#137727) | | Recursion, both direct and indirect, prevents accurate stack size | calculation at link time for GPU device code. Restructure these | recursive (often mutually so) routines in the Fortran runtime with new | ... 15 lines of the commit log omitted.

Produces 41 regressions: | | regressions.sum: | Running test-suite:Fujitsu/Fortran/0449 ... | FAIL: test-suite :: Fujitsu/Fortran/0449/Fujitsu-Fortran-0449_0000.test | FAIL: test-suite :: Fujitsu/Fortran/0449/Fujitsu-Fortran-0449_0001.test | FAIL: test-suite :: Fujitsu/Fortran/0449/Fujitsu-Fortran-0449_0002.test | FAIL: test-suite :: Fujitsu/Fortran/0449/Fujitsu-Fortran-0449_0003.test | ... and 41 more | # "FAIL" means : the execution of the compiled binary failed / output of the binary differs from the expected one

Used configuration : * Toolchain : cmake -G Ninja ../llvm/llvm "-DLLVM_ENABLE_PROJECTS=clang;lld;flang;openmp;clang-tools-extra" -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=True -DCMAKE_INSTALL_PREFIX=../llvm-install "-DLLVM_TARGETS_TO_BUILD=AArch64" -DCLANG_DEFAULT_LINKER=lld * Testsuite : export LD_LIBRARY_PATH=$\WORKSPACE/llvm-install/lib/aarch64-unknown-linux-gnu${LD_LIBRARY_PATH:+:$\LD_LIBRARY_PATH} cmake -GNinja -DCMAKE_C_COMPILER="$\WORKSPACE/llvm-install/bin/clang" -DCMAKE_CXX_COMPILER="$\WORKSPACE/llvm-install/bin/clang++" -DCMAKE_Fortran_COMPILER="$\WORKSPACE/llvm-install/bin/flang-new" -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_FLAGS= -DCMAKE_CXX_FLAGS= -DCMAKE_Fortran_FLAGS= -DCMAKE_C_FLAGS_RELEASE="-O0 -g" -DCMAKE_CXX_FLAGS_RELEASE="-O0 -g" -DCMAKE_Fortran_FLAGS_RELEASE="-O0 -g" -DTEST_SUITE_FORTRAN=ON -DTEST_SUITE_SUBDIRS=Fujitsu "$\WORKSPACE/test/test-suite"

We track this bug report under https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flinaro.atl...https://linaro.atlassian.net/browse/LLVM-1708. 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.

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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 * https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fci.linaro....https://ci.linaro.org/job/tcwg_flang_test--main-aarch64-O0-debug-build/1042/artifact/artifacts/00-sumfiles/ The full lists of regressions and improvements as well as configure and make commands are in * https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fci.linaro....https://ci.linaro.org/job/tcwg_flang_test--main-aarch64-O0-debug-build/1042/artifact/artifacts/notify/ The list of [ignored] baseline and flaky failures are in * https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fci.linaro....https://ci.linaro.org/job/tcwg_flang_test--main-aarch64-O0-debug-build/1042/artifact/artifacts/sumfiles/xfails.xfail

Fujitsu testsuite : https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com...https://github.com/fujitsu/compiler-test-suite/

Current build : https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fci.linaro....https://ci.linaro.org/job/tcwg_flang_test--main-aarch64-O0-debug-build/1042/artifact/artifacts Reference build : https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fci.linaro....https://ci.linaro.org/job/tcwg_flang_test--main-aarch64-O0-debug-build/1041/artifact/artifacts

Instruction to reproduce the build : https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.com...https://gitlab.com/Linaro/tcwg/ci/interesting-commits/-/raw/master/llvm/sha1/163c67ad3d1bf7af6590930d8f18700d65ad4564/tcwg_flang_test/main-aarch64-O0-debug/reproduction_instructions.txt

Full commit : https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com...https://github.com/llvm/llvm-project/commit/163c67ad3d1bf7af6590930d8f18700d65ad4564