https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125312
--- Comment #4 from Tadeja Kadunc <tadeja.kadunc at gmail dot com> --- Only on github actions. -D_GLIBCXX_ASSERTIONS repro here https://github.com/apache/arrow/actions/runs/25857678307/job/75979557628?pr=49961#step:7:1 (requires github login to see the logs) Run g++ \ g++ \ -std=gnu++20 -O2 -g -Wall -Wextra -pthread \ -D_GLIBCXX_ASSERTIONS \ cpp/tools/gh-49958-mingw-bad-weak-ptr-repro.cc \ -o gh-49958-mingw-bad-weak-ptr-repro-assert.exe ./gh-49958-mingw-bad-weak-ptr-repro-assert.exe 30 shell: D:\a\_temp\setup-msys2\msys2.CMD {0} Error: Process completed with exit code 127.
