all_systems="-s x86_64-linux -s i686-linux -s armhf-linux -s aarch64-linux"
test `guix build sed $all_systems -d | sort -u | wc -l` = 4
+# Check there's no weird memoization effect leading to erroneous results.
+# See <https://bugs.gnu.org/40482>.
+drv1="`guix build sed -s x86_64-linux -s armhf-linux -d | sort`"
+drv2="`guix build sed -s armhf-linux -s x86_64-linux -d | sort`"
+test "$drv1" = "$drv2"
+
# Check --sources option with its arguments
module_dir="t-guix-build-$$"
mkdir "$module_dir"