From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:13 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../incremental/change_private_fn/struct_point.rs  | 104 +++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 tests/incremental/change_private_fn/struct_point.rs

(limited to 'tests/incremental/change_private_fn')

diff --git a/tests/incremental/change_private_fn/struct_point.rs b/tests/incremental/change_private_fn/struct_point.rs
new file mode 100644
index 000000000..d57267adc
--- /dev/null
+++ b/tests/incremental/change_private_fn/struct_point.rs
@@ -0,0 +1,104 @@
+// Test where we change the body of a private method in an impl.
+// We then test what sort of functions must be rebuilt as a result.
+
+// revisions:cfail1 cfail2
+// compile-flags: -Z query-dep-graph
+// build-pass (FIXME(62277): could be check-pass?)
+
+#![feature(rustc_attrs)]
+#![feature(stmt_expr_attributes)]
+#![allow(dead_code)]
+#![crate_type = "rlib"]
+
+#![rustc_partition_codegened(module="struct_point-point", cfg="cfail2")]
+
+#![rustc_partition_reused(module="struct_point-fn_calls_methods_in_same_impl", cfg="cfail2")]
+#![rustc_partition_reused(module="struct_point-fn_calls_methods_in_another_impl", cfg="cfail2")]
+#![rustc_partition_reused(module="struct_point-fn_make_struct", cfg="cfail2")]
+#![rustc_partition_reused(module="struct_point-fn_read_field", cfg="cfail2")]
+#![rustc_partition_reused(module="struct_point-fn_write_field", cfg="cfail2")]
+
+pub mod point {
+    pub struct Point {
+        pub x: f32,
+        pub y: f32,
+    }
+
+    fn distance_squared(this: &Point) -> f32 {
+        #[cfg(cfail1)]
+        return this.x + this.y;
+
+        #[cfg(cfail2)]
+        return this.x * this.x + this.y * this.y;
+    }
+
+    impl Point {
+        pub fn distance_from_origin(&self) -> f32 {
+            distance_squared(self).sqrt()
+        }
+    }
+
+    impl Point {
+        pub fn translate(&mut self, x: f32, y: f32) {
+            self.x += x;
+            self.y += y;
+        }
+    }
+
+}
+
+/// A fn item that calls (public) methods on `Point` from the same impl which changed
+pub mod fn_calls_methods_in_same_impl {
+    use point::Point;
+
+    // The cached result should actually be loaded from disk
+    // (not just marked green) - for example, `DeadVisitor`
+    // always runs during compilation as a "pass", and loads
+    // the typeck results for bodies.
+    #[rustc_clean(cfg="cfail2", loaded_from_disk="typeck")]
+    pub fn check() {
+        let x = Point { x: 2.0, y: 2.0 };
+        x.distance_from_origin();
+    }
+}
+
+/// A fn item that calls (public) methods on `Point` from another impl
+pub mod fn_calls_methods_in_another_impl {
+    use point::Point;
+
+    #[rustc_clean(cfg="cfail2")]
+    pub fn check() {
+        let mut x = Point { x: 2.0, y: 2.0 };
+        x.translate(3.0, 3.0);
+    }
+}
+
+/// A fn item that makes an instance of `Point` but does not invoke methods
+pub mod fn_make_struct {
+    use point::Point;
+
+    #[rustc_clean(cfg="cfail2")]
+    pub fn make_origin() -> Point {
+        Point { x: 2.0, y: 2.0 }
+    }
+}
+
+/// A fn item that reads fields from `Point` but does not invoke methods
+pub mod fn_read_field {
+    use point::Point;
+
+    #[rustc_clean(cfg="cfail2")]
+    pub fn get_x(p: Point) -> f32 {
+        p.x
+    }
+}
+
+/// A fn item that writes to a field of `Point` but does not invoke methods
+pub mod fn_write_field {
+    use point::Point;
+
+    #[rustc_clean(cfg="cfail2")]
+    pub fn inc_x(p: &mut Point) {
+        p.x += 1.0;
+    }
+}
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