Update upstream source from tag 'upstream/1.52.1+dfsg1'

[rustc.git] / src / tools / clippy / tests / ui / zero_ptr.rs

diff --git a/src/tools/clippy/tests/ui/zero_ptr.rs b/src/tools/clippy/tests/ui/zero_ptr.rs
new file mode 100644 (file)
index 0000000..c3b55ef
--- /dev/null
+++ b/src/tools/clippy/tests/ui/zero_ptr.rs
@@ -0,0 +1,14 @@
+// run-rustfix
+pub fn foo(_const: *const f32, _mut: *mut i64) {}
+
+fn main() {
+    let _ = 0 as *const usize;
+    let _ = 0 as *mut f64;
+    let _: *const u8 = 0 as *const _;
+
+    foo(0 as _, 0 as _);
+    foo(0 as *const _, 0 as *mut _);
+
+    let z = 0;
+    let _ = z as *const usize; // this is currently not caught
+}