Update tests in 3.8 branch.

regress/kill-session-zoomed.sh

@@ -0,0 +1,28 @@
+#!/bin/sh
+
+# Killing a session whose window is zoomed must not crash the server:
+# window_destroy used to unzoom the window, which resized the panes and
+# fired pane-resized with the window in the payload, and releasing that
+# reference destroyed the window a second time.
+
+PATH=/bin:/usr/bin
+TERM=screen
+
+[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
+TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
+$TMUX kill-server 2>/dev/null
+
+$TMUX -f/dev/null new -d -sfoo || exit 1
+$TMUX split-window -d -h -tfoo:0 || exit 1
+$TMUX resize-pane -Z -tfoo:0 || exit 1
+$TMUX new -d -sbar || exit 1
+$TMUX kill-session -tfoo || exit 1
+$TMUX has-session -tbar || exit 1
+
+# The same with the zoomed window in a session killed by kill-server.
+$TMUX new -d -sbaz || exit 1
+$TMUX split-window -d -v -tbaz:0 || exit 1
+$TMUX resize-pane -Z -tbaz:0 || exit 1
+$TMUX kill-server || exit 1
+
+exit 0