add test for RT#115774

S29-context/eval.t

@@ -1,6 +1,6 @@
 use v6;
 use Test;
-plan 17;
+plan 18;
 
 # L<S29/Context/"=item eval">
 
@@ -94,4 +94,11 @@ my $rt115344 = 115344;
 #?niecza skip 'method form of eval does not see outer lexicals'
 is('$rt115344'.eval, $rt115344, 'method form of eval sees outer lexicals');
 
+# RT #115774
+{
+    my int $a; eval('');
+    ok(1, "presence of low level types doesn't cause eval error")
+}
+
+
 # vim: ft=perl6