create failing test case

Author: andrew-johnson-4

tests/unit/ast-macros.lsts

@@ -11,5 +11,12 @@ typed macro ast-macros-test-add(x: I64, y: lazy): lazy = (
 assert( ast-macros-test-add(1_u64, 2_u64) == 3_u64 );
 assert( ast-macros-test-add(2_i64, 3_i64) == 5_i64 );
 
+(
+   let x = mk-vector(type(U64)).push(1).push(2);
+   $"macro::set"($"macro::lhs-index"(x,0), 3);
+   $"macro::set"($"macro::lhs-index"(x,1), 4);
+   print(x);
+);
+
 #$"macro::for"(x, [1, 2], print(x));
 #$"macro::for"(x, mk-vector(type(U64)).push(3).push(4), print(x));