Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/ui/consts/ptr_is_null.rs b/tests/ui/consts/ptr_is_null.rs
new file mode 100644
index 000000000..8babb6858
--- /dev/null
+++ b/tests/ui/consts/ptr_is_null.rs
@@ -0,0 +1,16 @@
+// compile-flags: --crate-type=lib
+// check-pass
+
+#![feature(const_ptr_is_null)]
+
+const FOO: &usize = &42;
+
+pub const _: () = assert!(!(FOO as *const usize).is_null());
+
+pub const _: () = assert!(!(42 as *const usize).is_null());
+
+pub const _: () = assert!((0 as *const usize).is_null());
+
+pub const _: () = assert!(std::ptr::null::<usize>().is_null());
+
+pub const _: () = assert!(!("foo" as *const str).is_null());