1 files changed, 20 insertions, 0 deletions
diff --git a/tests/codegen/cross-crate-inlining/auxiliary/never.rs b/tests/codegen/cross-crate-inlining/auxiliary/never.rs
new file mode 100644
index 000000000..e222a6dea
--- /dev/null
+++ b/tests/codegen/cross-crate-inlining/auxiliary/never.rs
@@ -0,0 +1,20 @@
+// compile-flags: -O -Zcross-crate-inline-threshold=never
+
+#![crate_type = "lib"]
+
+// This function *looks* like it contains a call, but that call will be optimized out by MIR
+// optimizations.
+pub fn leaf_fn() -> String {
+    String::new()
+}
+
+// This function contains a call, even after MIR optimizations. It is only eligible for
+// cross-crate-inlining with "always".
+pub fn stem_fn() -> String {
+    inner()
+}
+
+#[inline(never)]
+fn inner() -> String {
+    String::from("test")
+}