tests: Work around a binutils behaviour change

See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=964457

Signed-off-by: Simon McVittie <smcv@collabora.com>
6 jobs for double-version in 10 minutes and 46 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Test
manual build:arch #40188
allowed to fail manual
passed build:asan #40184

00:02:39

passed build:bionic #40187

00:08:04

passed build:buster #40186

00:06:59

passed build:stretch #40185

00:07:42

passed build:ubsan #40183

00:02:51