Add migration lint for reserved prefixes.

2021-06-14 12:56:49 +00:00
parent 40fb2e9705
commit d837c00d10
4 changed files with 63 additions and 7 deletions
--- a/compiler/rustc_lint_defs/src/lib.rs
+++ b/compiler/rustc_lint_defs/src/lib.rs
@@ -300,6 +300,7 @@ pub enum BuiltinLintDiagnostics {
    ExternDepSpec(String, ExternDepSpec),
    ProcMacroBackCompat(String),
    OrPatternsBackCompat(Span, String),
+    ReservedPrefix(Span),
 }

 /// Lints that are buffered up early on in the `Session` before the