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d1250bc1d5
Use more accurate span for `addr_of!` suggestion Use a multipart suggestion instead of a single whole-span replacement: ``` error[E0796]: creating a shared reference to a mutable static --> $DIR/reference-to-mut-static-unsafe-fn.rs:10:18 | LL | let _y = &X; | ^^ shared reference to mutable static | = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior help: use `addr_of!` instead to create a raw pointer | LL | let _y = addr_of!(X); | ~~~~~~~~~ + ```
For high-level intro to how type checking works in rustc, see the type checking chapter of the rustc dev guide.