1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/ui/lint/lint-strict-provenance-lossy-casts.rs b/src/test/ui/lint/lint-strict-provenance-lossy-casts.rs
new file mode 100644
index 000000000..9799a0537
--- /dev/null
+++ b/src/test/ui/lint/lint-strict-provenance-lossy-casts.rs
@@ -0,0 +1,18 @@
+#![feature(strict_provenance)]
+#![deny(lossy_provenance_casts)]
+
+fn main() {
+    let x: u8 = 37;
+    let addr: usize = &x as *const u8 as usize;
+    //~^ ERROR under strict provenance it is considered bad style to cast pointer `*const u8` to integer `usize`
+
+    let addr_32bit = &x as *const u8 as u32;
+    //~^ ERROR under strict provenance it is considered bad style to cast pointer `*const u8` to integer `u32`
+
+    // don't add unnecessary parens in the suggestion
+    let ptr = &x as *const u8;
+    let ptr_addr = ptr as usize;
+    //~^ ERROR under strict provenance it is considered bad style to cast pointer `*const u8` to integer `usize`
+    let ptr_addr_32bit = ptr as u32;
+    //~^ ERROR under strict provenance it is considered bad style to cast pointer `*const u8` to integer `u32`
+}