X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_parse%2Fsrc%2Ferrors.rs;h=40763da0bb5470ce20924fd76da86713e47e21dd;hb=ba928ba04116b70d81738a4f49c1b9b23aab7c88;hp=06b970ad979770b633ed432e5e0e6ed0e6db06ed;hpb=f6f362c3326162049dc09502eb9b2a6f9c6d3c07;p=rust.git

diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs
index 06b970ad979..40763da0bb5 100644
--- a/compiler/rustc_parse/src/errors.rs
+++ b/compiler/rustc_parse/src/errors.rs
@@ -337,7 +337,9 @@ pub(crate) struct IfExpressionMissingThenBlock {
     #[primary_span]
     pub if_span: Span,
     #[subdiagnostic]
-    pub sub: IfExpressionMissingThenBlockSub,
+    pub missing_then_block_sub: IfExpressionMissingThenBlockSub,
+    #[subdiagnostic]
+    pub let_else_sub: Option<IfExpressionLetSomeSub>,
 }
 
 #[derive(Subdiagnostic)]
@@ -348,6 +350,13 @@ pub(crate) enum IfExpressionMissingThenBlockSub {
     AddThenBlock(#[primary_span] Span),
 }
 
+#[derive(Subdiagnostic)]
+#[help(parse_extra_if_in_let_else)]
+pub(crate) struct IfExpressionLetSomeSub {
+    #[primary_span]
+    pub if_span: Span,
+}
+
 #[derive(Diagnostic)]
 #[diag(parse_if_expression_missing_condition)]
 pub(crate) struct IfExpressionMissingCondition {