Dear contributor, Our automatic CI has detected problems related to your patch(es). Please find some details below. In armv8l-unknown-linux-gnueabihf native, after: | gcc patch https://patchwork.sourceware.org/patch/132908 | Author: Tomasz Kamiński | Date: Fri Apr 10 14:28:44 2026 +0200 | | [PATCH v2] libstdc++: Export explicit instantiations of __format::__do_vformat_to. | | This patch extracts an __format::__do_vformat_to for the _Sink_iter | (and matching format context) and exports explicit instantiations | of it for wchar and wchar_t. As every format function is implementing | ... 36 lines of the commit log omitted. | ... applied on top of baseline commit: | 6915a121b96 Daily bump. Produces 4 regressions: | | regressions.sum: | Running libstdc++:libstdc++-dg/conformance.exp ... | FAIL: 21_strings/basic_string/cons/char/moveable2.cc -std=gnu++20 (test for excess errors) | UNRESOLVED: 21_strings/basic_string/cons/char/moveable2.cc -std=gnu++20 compilation failed to produce executable | FAIL: 21_strings/basic_string/cons/wchar_t/moveable2.cc -std=gnu++20 (test for excess errors) | UNRESOLVED: 21_strings/basic_string/cons/wchar_t/moveable2.cc -std=gnu++20 compilation failed to produce executable Used configuration : *CI config* tcwg_gcc_check armv8l-unknown-linux-gnueabihf *configure and test flags:* none, autodetected on armv8l-unknown-linux-gnueabihf--disable-multilib --with-float=hard --with-mode=thumb --with-tune=cortex-a9 --with-arch=armv7-a --with-fpu=neon-fp-armv8 If you have any questions regarding this report, please ask on linaro-toolchain@lists.linaro.org 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 *.log.1.xz files in * http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-precommit/builds/10178/archive/artifacts/artifacts.precommit/00-sumfiles/ 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-arm-precommit/builds/10178/archive/artifacts/artifacts.precommit/notify/ The list of [ignored] baseline and flaky failures are in * http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-precommit/builds/10178/archive/artifacts/artifacts.precommit/sumfiles/xfails.xfail Current build : http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-precommit/builds/10178/archive/artifacts/ Reference build : http://54.172.246.49:9090/jobs/tcwg_gcc_check--master-arm-build/builds/10076/archive/artifacts/ Warning: we do not enable maintainer-mode nor automatically update generated files, which may lead to failures if the patch modifies the master files.