1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/incremental/struct_change_nothing.rs b/src/test/incremental/struct_change_nothing.rs
new file mode 100644
index 000000000..de30c818c
--- /dev/null
+++ b/src/test/incremental/struct_change_nothing.rs
@@ -0,0 +1,44 @@
+// Test incremental compilation tracking where we change nothing
+// in between revisions (hashing should be stable).
+
+// revisions:rpass1 rpass2
+// compile-flags: -Z query-dep-graph
+
+#![feature(rustc_attrs)]
+
+#[cfg(rpass1)]
+pub struct X {
+    pub x: u32
+}
+
+#[cfg(rpass2)]
+pub struct X {
+    pub x: u32
+}
+
+pub struct EmbedX {
+    x: X
+}
+
+pub struct Y {
+    pub y: char
+}
+
+#[rustc_clean(cfg="rpass2")]
+pub fn use_X() -> u32 {
+    let x: X = X { x: 22 };
+    x.x as u32
+}
+
+#[rustc_clean(cfg="rpass2")]
+pub fn use_EmbedX(x: EmbedX) -> u32 {
+    let x: X = X { x: 22 };
+    x.x as u32
+}
+
+#[rustc_clean(cfg="rpass2")]
+pub fn use_Y() {
+    let x: Y = Y { y: 'c' };
+}
+
+pub fn main() { }