src/testdir/dumps/Test_map_expr_4.dump

> +0&#ffffff0@74
|~+0#4040ff13&| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
| +0#0000000&@56|0|,|0|-|1| @8|A|l@1|