1 files changed, 26 insertions, 0 deletions
diff --git a/compiler/rustc_ast_lowering/src/errors.rs b/compiler/rustc_ast_lowering/src/errors.rs
index 6e1a9eff5..11bb55971 100644
--- a/compiler/rustc_ast_lowering/src/errors.rs
+++ b/compiler/rustc_ast_lowering/src/errors.rs
@@ -340,6 +340,32 @@ pub struct NotSupportedForLifetimeBinderAsyncClosure {
     pub span: Span,
 }
 
+#[derive(Diagnostic)]
+#[diag(ast_lowering_match_arm_with_no_body)]
+pub struct MatchArmWithNoBody {
+    #[primary_span]
+    pub span: Span,
+    #[suggestion(code = " => todo!(),", applicability = "has-placeholders")]
+    pub suggestion: Span,
+}
+
+#[derive(Diagnostic)]
+#[diag(ast_lowering_never_pattern_with_body)]
+pub struct NeverPatternWithBody {
+    #[primary_span]
+    #[label]
+    #[suggestion(code = "", applicability = "maybe-incorrect")]
+    pub span: Span,
+}
+
+#[derive(Diagnostic)]
+#[diag(ast_lowering_never_pattern_with_guard)]
+pub struct NeverPatternWithGuard {
+    #[primary_span]
+    #[suggestion(code = "", applicability = "maybe-incorrect")]
+    pub span: Span,
+}
+
 #[derive(Diagnostic, Clone, Copy)]
 #[diag(ast_lowering_arbitrary_expression_in_pattern)]
 pub struct ArbitraryExpressionInPattern {