Rollup merge of #87554 - sexxi-goose:fix-issue-87426, r=nikomatsakis

2229: Discr should be read when PatKind is Range

This PR fixes an issue related to pattern matching in closures when Edition 2021 is enabled.

- If any of the patterns the discr is being matched on is `PatKind::Range` then the discr should be read

r? ```@nikomatsakis```

Closes https://github.com/rust-lang/rust/issues/87426

1 files changed, 14 insertions, 0 deletions

diff --git a/src/test/ui/closures/2229_closure_analysis/issue-87426.rs b/src/test/ui/closures/2229_closure_analysis/issue-87426.rs
new file mode 100644
index 00000000000..74506979a28
--- /dev/null
+++ b/src/test/ui/closures/2229_closure_analysis/issue-87426.rs
@@ -0,0 +1,14 @@
+// run-pass
+// edition:2021
+
+pub fn foo() {
+    let ref_x_ck = 123;
+    let _y = || match ref_x_ck {
+        2_000_000..=3_999_999 => { println!("A")}
+        _ => { println!("B")}
+    };
+}
+
+fn main() {
+    foo();
+}