Fix Intersection([])

gap-system · Jul 7, 2016 · b9dc3a0 · b9dc3a0
1 parent 6e8b016
commit b9dc3a0
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lib/coll.gi b/lib/coll.gi
@@ -2473,6 +2473,9 @@ InstallGlobalFunction( Intersection, function ( arg )
     # unravel the argument list if necessary
     if Length(arg) = 1  then
         arg := arg[1];
+        if IsEmpty(arg) then
+            return [];
+        fi;
     fi;
 
     # start with the first domain or list