bug#22485: M-x compile cuts off output if signal is received!

[積丹尼 Dan Jacobson]

$ cat makefile
boom:
        seq 1111; false
boom1:
        seq 1111; true
boom2:
        seq 1111; false; m=$$?; sleep 1; exit $$m

M-x compile make boom gives

...
1039
1040
10
Compilation exited abnormally with code 2 at Fri Jan 29 03:24:38

The output is cut off!

What if things looked good, except for an important message that was cut
off?!!?

make boom1 or make boom2 are fine.

Also make boom with a fresh account works fine.

Only make boom with my
http://jidanni.org/comp/configuration/ is bad.

See also #22283 .

(emacs-version)"GNU Emacs 24.5.1 (i586-pc-linux-gnu, GTK+ Version 3.18.6)
 of 2016-01-23 on x86-csail-01, modified by Debian"