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/early_otherwise_branch_noopt.rs b/src/test/mir-opt/early_otherwise_branch_noopt.rs
new file mode 100644
index 000000000..ef766bbd4
--- /dev/null
+++ b/src/test/mir-opt/early_otherwise_branch_noopt.rs
@@ -0,0 +1,18 @@
+// unit-test: EarlyOtherwiseBranch
+
+// must not optimize as it does not follow the pattern of
+// left and right hand side being the same variant
+
+// EMIT_MIR early_otherwise_branch_noopt.noopt1.EarlyOtherwiseBranch.diff
+fn noopt1(x: Option<u32>, y: Option<u32>) -> u32 {
+    match (x, y) {
+        (Some(a), Some(b)) => 0,
+        (Some(a), None) => 1,
+        (None, Some(b)) => 2,
+        (None, None) => 3,
+    }
+}
+
+fn main() {
+    noopt1(None, Some(0));
+}