Allow niche-filling dataful variants to be represented as a ScalarPair

[rust.git] / src / test / codegen / function-arguments.rs

diff --git a/src/test/codegen/function-arguments.rs b/src/test/codegen/function-arguments.rs
index 0e98d3f9050a8194573bdf8a23ef43955bc97869..de302c69056f6b3d53892fe12d9308e31dfa0bc5 100644 (file)
--- a/src/test/codegen/function-arguments.rs
+++ b/src/test/codegen/function-arguments.rs
@@ -133,6 +133,12 @@ pub fn trait_borrow(_: &Drop) {
 pub fn trait_box(_: Box<Drop>) {
 }
 
+// CHECK: { i8*, i8* } @trait_option(i8* noalias %x.0, i8* %x.1)
+#[no_mangle]
+pub fn trait_option(x: Option<Box<Drop>>) -> Option<Box<Drop>> {
+  x
+}
+
 // CHECK: { [0 x i16]*, [[USIZE]] } @return_slice([0 x i16]* noalias nonnull readonly %x.0, [[USIZE]] %x.1)
 #[no_mangle]
 pub fn return_slice(x: &[u16]) -> &[u16] {