1 files changed, 27 insertions, 0 deletions
diff --git a/tests/codegen-llvm/cold-call-declare-and-call.rs b/tests/codegen-llvm/cold-call-declare-and-call.rs
new file mode 100644
index 00000000000..b18565ee6c3
--- /dev/null
+++ b/tests/codegen-llvm/cold-call-declare-and-call.rs
@@ -0,0 +1,27 @@
+//@ revisions: NORMAL WIN
+//@ compile-flags: -C no-prepopulate-passes
+//@[NORMAL] ignore-windows
+//@[WIN] only-windows
+//@[WIN] only-x86_64
+
+#![crate_type = "lib"]
+#![feature(rust_cold_cc)]
+
+// wasm marks the definition as `dso_local`, so allow that as optional.
+
+// NORMAL: define{{( dso_local)?}} preserve_mostcc void @this_should_never_happen(i16
+// NORMAL: call preserve_mostcc void @this_should_never_happen(i16
+
+// See the comment in `Target::adjust_abi` for why this differs
+
+// WIN: define void @this_should_never_happen(i16
+// WIN: call void @this_should_never_happen(i16
+
+#[no_mangle]
+pub extern "rust-cold" fn this_should_never_happen(x: u16) {}
+
+pub fn do_things(x: u16) {
+    if x == 12345 {
+        this_should_never_happen(54321);
+    }
+}