Don't check match scrutinee of postfix match for unused parens

matthiaskrgr · Mar 26, 2024 · 950b40f · 950b40f
1 parent 519d892
commit 950b40f
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/compiler/rustc_lint/src/unused.rs b/compiler/rustc_lint/src/unused.rs
@@ -865,7 +865,9 @@ trait UnusedDelimLint {
                 (iter, UnusedDelimsCtx::ForIterExpr, true, None, Some(body.span.lo()), true)
             }
 
-            Match(ref head, ..) if Self::LINT_EXPR_IN_PATTERN_MATCHING_CTX => {
+            Match(ref head, _, ast::MatchKind::Prefix)
+                if Self::LINT_EXPR_IN_PATTERN_MATCHING_CTX =>
+            {
                 let left = e.span.lo() + rustc_span::BytePos(5);
                 (head, UnusedDelimsCtx::MatchScrutineeExpr, true, Some(left), None, true)
             }

diff --git a/tests/ui/match/postfix-match/no-unused-parens.rs b/tests/ui/match/postfix-match/no-unused-parens.rs
@@ -0,0 +1,8 @@
+//@ check-pass
+
+#![feature(postfix_match)]
+
+fn main() {
+    (&1).match { a => a };
+    (1 + 2).match { b => b };
+}