1 error[E0658]: repr with 128-bit type is unstable (see issue #35118)
2 --> $DIR/feature-gate-repr128.rs:2:1
4 LL | / enum A { //~ ERROR repr with 128-bit type is unstable
9 = help: add #![feature(repr128)] to the crate attributes to enable
11 error: aborting due to previous error
13 For more information about this error, try `rustc --explain E0658`.