On Tue, Jul 14, 2026 at 10:36 PM ci_notify@linaro.org wrote:

Dear contributor,

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

In aarch64 native, after: | commit gcc-17-2060-gf7cde200320e | Author: Tomasz Kamiński tkaminsk@redhat.com | Date: Tue Jun 30 09:46:07 2026 +0200 | | libstdc++: Cascade wall-time saves in lazy expansion seeding [PR124853] | | When _M_get_sys_info seeds a Zone line by looking up the active rule | just before info.begin, the previous code interpreted each rule in | isolation against ri.offset() (the line's standard offset alone), | ... 71 lines of the commit log omitted.

Produces 6 regressions: | | regressions.sum: | Running libstdc++:libstdc++-prettyprinters/prettyprinters.exp ... | FAIL: libstdc++-prettyprinters/debug.cc -flto print redirected | FAIL: libstdc++-prettyprinters/debug.cc print redirected | FAIL: libstdc++-prettyprinters/simple.cc -flto print redirected | FAIL: libstdc++-prettyprinters/simple.cc print redirected | ... and 2 more

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

We track this bug report under https://linaro.atlassian.net/browse/GNU-1968. (Require Linaro login) Please let us know if you have a fix.

The attribution does not seem correct, as the above patch modifies tzdb.cc source file and does not touch the container.

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-build/builds/1... 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-build/builds/1... The list of [ignored] baseline and flaky failures are in

http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-aarch64-build/builds/1...

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

Instruction to reproduce the build : https://gitlab.com/LinaroLtd/tcwg/ci/interesting-commits/-/raw/master/gcc/sh...

Full commit : See in git+ssh://linaroci@gcc.gnu.org/git/gcc.git