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00308920ae
Detect `*` operator on `!Sized` expression The suggestion is new: ``` error[E0277]: the size for values of type `str` cannot be known at compilation time --> $DIR/unsized-str-in-return-expr-arg-and-local.rs:15:9 | LL | let x = *""; | ^ doesn't have a size known at compile-time | = help: the trait `Sized` is not implemented for `str` = note: all local variables must have a statically known size = help: unsized locals are gated as an unstable feature help: references to `!Sized` types like `&str` are `Sized`; consider not dereferencing the expression | LL - let x = *""; LL + let x = ""; | ``` Fix #128199. |
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