Add Windows support for backtrace_functions (MSVC only)

When Who What
2026-02-24 17:08:33 Álvaro Herrera (alvherre) Closed in commitfest PG19-Final with status: Committed
2026-02-24 17:08:33 Álvaro Herrera (alvherre) Changed committer to alvherre
2026-02-24 11:01:43 Peter Eisentraut (petere) Removed petere from committers
2026-02-01 00:00:07 CFbot Moved from CF PG19-4 to CF PG19-Final
2026-01-22 12:42:12 Peter Eisentraut (petere) Added petere as committer
2026-01-06 14:21:46 Bryan Green (lispyone) New status: Ready for Committer
2025-11-05 14:22:22 Bryan Green (lispyone) Moved from CF PG19-3 to CF PG19-4
2025-10-09 15:55:15 Bryan Green (lispyone) Attached mail thread a692c0fe-caca-4c08-9c5d-debfd0ef2504@gmail.com
2025-10-09 15:55:15 Bryan Green (lispyone) Created patch record