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, 17 insertions, 0 deletions

diff --git a/src/test/mir-opt/loop_test.rs b/src/test/mir-opt/loop_test.rs
new file mode 100644
index 000000000..7ded5b575
--- /dev/null
+++ b/src/test/mir-opt/loop_test.rs
@@ -0,0 +1,17 @@
+// compile-flags: -Z identify_regions
+
+// Tests to make sure we correctly generate falseUnwind edges in loops
+
+// EMIT_MIR loop_test.main.SimplifyCfg-promote-consts.after.mir
+fn main() {
+    // Exit early at runtime. Since only care about the generated MIR
+    // and not the runtime behavior (which is exercised by other tests)
+    // we just bail early. Without this the test just loops infinitely.
+    if true {
+        return;
+    }
+    loop {
+        let x = 1;
+        continue;
+    }
+}