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-rw-r--r--tests/ui/codegen/equal-pointers-unequal/exposed-provenance/function.rs26
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/codegen/equal-pointers-unequal/exposed-provenance/function.rs b/tests/ui/codegen/equal-pointers-unequal/exposed-provenance/function.rs
new file mode 100644
index 00000000000..b188b794d1f
--- /dev/null
+++ b/tests/ui/codegen/equal-pointers-unequal/exposed-provenance/function.rs
@@ -0,0 +1,26 @@
+//@ known-bug: #107975
+//@ compile-flags: -Copt-level=2
+//@ run-pass
+
+// Based on https://github.com/rust-lang/rust/issues/107975#issuecomment-1434203908
+
+#![feature(exposed_provenance)]
+
+use std::ptr;
+
+fn f() -> usize {
+    let v = 0;
+    ptr::from_ref(&v).expose_provenance()
+}
+
+fn main() {
+    let a = f();
+    let b = f();
+
+    // `a` and `b` are not equal.
+    assert_ne!(a, b);
+    // But they are the same number.
+    assert_eq!(format!("{a}"), format!("{b}"));
+    // And they are equal.
+    assert_eq!(a, b);
+}