1 files changed, 27 insertions, 0 deletions
diff --git a/src/test/incremental/crate_hash_reorder.rs b/src/test/incremental/crate_hash_reorder.rs
new file mode 100644
index 000000000..ca476b4d2
--- /dev/null
+++ b/src/test/incremental/crate_hash_reorder.rs
@@ -0,0 +1,27 @@
+// Test that the crate hash is not affected by reordering items.
+
+// revisions:rpass1 rpass2 rpass3
+// compile-flags: -Z query-dep-graph
+
+#![feature(rustc_attrs)]
+
+// Check that reordering otherwise identical items is not considered a
+// change at all.
+#[rustc_clean(cfg = "rpass2")]
+// But removing an item, naturally, is.
+#[rustc_clean(except="hir_crate", cfg = "rpass3")]
+#[cfg(rpass1)]
+pub struct X {
+    pub x: u32,
+}
+
+pub struct Y {
+    pub x: u32,
+}
+
+#[cfg(rpass2)]
+pub struct X {
+    pub x: u32,
+}
+
+pub fn main() {}