Use FutureIncompatibilityReason to denote edition

lrh2000 · lrh2000 · commit e9fc942b4db1 · 2021-06-26T23:40:07.000+08:00
diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs
@@ -3296,7 +3296,7 @@ declare_lint! {
     "identifiers that will be parsed as a prefix in Rust 2021",
     @future_incompatible = FutureIncompatibleInfo {
         reference: "issue #84978 <https://github.com/rust-lang/rust/issues/84978>",
-        edition: Some(Edition::Edition2021),
+        reason: FutureIncompatibilityReason::EditionError(Edition::Edition2021),
     };
     crate_level_only
 }

Original file line number	Diff line number	Diff line change
`@@ -3296,7 +3296,7 @@ declare_lint! {`
`3296`	`3296`	`"identifiers that will be parsed as a prefix in Rust 2021",`
`3297`	`3297`	`@future_incompatible = FutureIncompatibleInfo {`
`3298`	`3298`	`reference: "issue #84978 <https://github.com/rust-lang/rust/issues/84978>",`
`3299`		`- edition: Some(Edition::Edition2021),`
	`3299`	`+ reason: FutureIncompatibilityReason::EditionError(Edition::Edition2021),`
`3300`	`3300`	`};`
`3301`	`3301`	`crate_level_only`
`3302`	`3302`	`}`