Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/src/test/mir-opt/match_test.rs b/src/test/mir-opt/match_test.rs
new file mode 100644
index 000000000..3a2107790
--- /dev/null
+++ b/src/test/mir-opt/match_test.rs
@@ -0,0 +1,18 @@
+// Make sure redundant testing paths in `match` expressions are sorted out.
+
+#![feature(exclusive_range_pattern)]
+
+// EMIT_MIR match_test.main.SimplifyCfg-initial.after.mir
+fn main() {
+    let x = 3;
+    let b = true;
+
+    // When `(0..=10).contains(x) && !b`, we should jump to the last arm
+    // without testing two other candidates.
+    match x {
+        0..10 if b => 0,
+        10..=20 => 1,
+        -1 => 2,
+        _ => 3,
+    };
+}