Add test for #130998

S13-overloading/metaoperators.t

@@ -1,7 +1,7 @@
 use v6;
 use Test;
 
-plan 11;
+plan 12;
 
 #L<S06/Operator overloading>
 
@@ -42,4 +42,9 @@ is ~(('OMG','BBQ') <<wtf>> ('BBQ','OMG')), 'OMGWTFBBQ BBQWTFOMG', '<<...>> hyper
     is (2 [&foo] 3 [&foo] 4), 24, "can we use a sub as an infix op between []";
 }
 
+# RT #130998
+{
+    is([+](^20 .grep: *.is-prime), 77, "can we use &infix:<.> as argument for []");
+}
+
 # vim: ft=perl6