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-rw-r--r--src/test/ui/match/issue-56685.rs44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/ui/match/issue-56685.rs b/src/test/ui/match/issue-56685.rs
new file mode 100644
index 000000000..f320c99ed
--- /dev/null
+++ b/src/test/ui/match/issue-56685.rs
@@ -0,0 +1,44 @@
+#![allow(dead_code)]
+#![deny(unused_variables)]
+
+// This test aims to check that unused variable suggestions update bindings in all
+// match arms.
+
+fn main() {
+ enum E {
+ A(i32,),
+ B(i32,),
+ }
+
+ match E::A(1) {
+ E::A(x) | E::B(x) => {}
+ //~^ ERROR unused variable: `x`
+ }
+
+ enum F {
+ A(i32, i32,),
+ B(i32, i32,),
+ C(i32, i32,),
+ }
+
+ let _ = match F::A(1, 2) {
+ F::A(x, y) | F::B(x, y) => { y },
+ //~^ ERROR unused variable: `x`
+ F::C(a, b) => { 3 }
+ //~^ ERROR unused variable: `a`
+ //~^^ ERROR unused variable: `b`
+ };
+
+ let _ = if let F::A(x, y) | F::B(x, y) = F::A(1, 2) {
+ //~^ ERROR unused variable: `x`
+ y
+ } else {
+ 3
+ };
+
+ while let F::A(x, y) | F::B(x, y) = F::A(1, 2) {
+ //~^ ERROR unused variable: `x`
+ let _ = y;
+ break;
+ }
+}