Hello Linaro CI Team,

This looks unrelated to the patch. It only defines LINK_SSP_SPEC inside the DEFAULT_LIBC == LIBC_MUSL block of gcc/config/linux.h plus two rs6000 headers, so nothing from it is compiled into an aarch64-linux-gnu build. To be sure I built aarch64-linux-gnu cross compilers from master with and without the patch using the same configure flags as this CI, and xgcc -dumpspecs output is byte-identical, while the same tree targeted at aarch64-linux-musl does show the new -lssp_nonshared spec.

The failing test is a gcov prime-paths count, and the build's own results.compare.txt says "No regression found in 3 common sum files". Happy to dig further if anyone sees a connection I am missing.

Thanks, Sunil Dora

________________________________ From: ci_notify@linaro.org ci_notify@linaro.org Sent: Tuesday, September 1, 2026 10:48 AM To: Dora, Sunil Kumar SunilKumar.Dora@windriver.com Cc: raj.khem@gmail.com raj.khem@gmail.com Subject: [Linaro-TCWG-CI] gcc patch #142457: 2 regressions on aarch64

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Dear contributor,

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

In aarch64 native, after: | gcc patch https://patchwork.sourceware.org/patch/142457 | Author: Khem Raj raj.khem@gmail.com | Date: Sun Aug 30 22:15:06 2026 +0530 | | [PATCH v2] Add ssp_nonshared to link commandline for musl targets [PR127138] | | musl provides __stack_chk_fail in libc but, unlike glibc, not the | __stack_chk_fail_local alias that gcc calls in PIC/PIE code on some | targets (32-bit x86, PowerPC). musl-based distributions ship that | ... 20 lines of the commit log omitted. | ... applied on top of baseline commit: | 2c3724c84c1 Daily bump.

Produces 2 regressions: | | regressions.sum: | Running gcc:gcc.misc-tests/gcov.exp ... | FAIL: gcc.misc-tests/gcov-39.c gcov: 0 failures in line counts, 0 in branch percentages, 0 in condition/decision, 1 in prime-paths, 0 in return percentages, 0 in intermediate format, 0 failed in filters | FAIL: gcc.misc-tests/gcov-39.c line 175: expected 1/8 covered paths, was 1/7

Used configuration : *CI config* tcwg_gcc_check aarch64-linux-gnu *configure and test flags:* none, autodetected on aarch64-unknown-linux-gnu--disable-multilib --enable-fix-cortex-a53-835769 --enable-fix-cortex-a53-843419 --with-arch=armv8-a

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 * http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-aarch64-precommit/buil... The full lists of regressions and improvements as well as configure and make commands are in * http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-aarch64-precommit/buil... The list of [ignored] baseline and flaky failures are in * http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-aarch64-precommit/buil...

Current build : http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-aarch64-precommit/buil... Reference build : http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-aarch64-build/builds/1...

Warning: we do not enable maintainer-mode nor automatically update generated files, which may lead to failures if the patch modifies the master files.