error[E0659]: `S` is ambiguous
  --> $DIR/issue-55884-1.rs:19:12
   |
LL |     use m::S;
   |            ^ ambiguous name
   |
   = note: ambiguous because of multiple glob imports of a name in the same module
note: `S` could refer to the struct imported here
  --> $DIR/issue-55884-1.rs:14:13
   |
LL |     pub use self::m1::*;
   |             ^^^^^^^^^^^
   = help: consider adding an explicit import of `S` to disambiguate
note: `S` could also refer to the struct imported here
  --> $DIR/issue-55884-1.rs:15:13
   |
LL |     pub use self::m2::*;
   |             ^^^^^^^^^^^
   = help: consider adding an explicit import of `S` to disambiguate

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0659`.