| error: structs are not allowed in struct definitions | |
| --> $DIR/issue-101540.rs:2:5 | |
| | | |
| LL | struct S1 { | |
| | -- while parsing this struct | |
| LL | struct S2 { | |
| | ^^^^^^^^^ | |
| | | |
| = help: consider creating a new `struct` definition instead of nesting | |
| error: aborting due to 1 previous error | |