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-rw-r--r--tests/ui/codegen/virtual-function-elimination.rs17
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/codegen/virtual-function-elimination.rs b/tests/ui/codegen/virtual-function-elimination.rs
new file mode 100644
index 00000000000..3cbeb1293e5
--- /dev/null
+++ b/tests/ui/codegen/virtual-function-elimination.rs
@@ -0,0 +1,17 @@
+//@ build-pass
+//@ compile-flags: -Zvirtual-function-elimination=true -Clto=true
+//@ only-x86_64
+//@ no-prefer-dynamic
+
+// issue #123955
+pub fn test0() {
+    _ = Box::new(()) as Box<dyn Send>;
+}
+
+// issue #124092
+const X: for<'b> fn(&'b ()) = |&()| ();
+pub fn test1() {
+    let _dyn_debug = Box::new(X) as Box<fn(&'static ())> as Box<dyn Send>;
+}
+
+fn main() {}