iterate List by value

[rust.git] / tests / ui / cast_alignment.rs

diff --git a/tests/ui/cast_alignment.rs b/tests/ui/cast_alignment.rs
index 4985a90bdf561573e774d042b7b86a04e49e5ff2..4c08935639f1f3a5ae5fd847de7c3398ae71b31e 100644 (file)
--- a/tests/ui/cast_alignment.rs
+++ b/tests/ui/cast_alignment.rs
@@ -1,7 +1,10 @@
 //! Test casts for alignment issues
 
-#[warn(cast_ptr_alignment)]
-#[allow(no_effect, unnecessary_operation, cast_lossless)]
+#![feature(rustc_private)]
+extern crate libc;
+
+#[warn(clippy::cast_ptr_alignment)]
+#[allow(clippy::no_effect, clippy::unnecessary_operation, clippy::cast_lossless)]
 fn main() {
     /* These should be warned against */
 
@@ -9,11 +12,16 @@ fn main() {
     (&1u8 as *const u8) as *const u16;
     (&mut 1u8 as *mut u8) as *mut u16;
 
-    /* These should be okay */
+    /* These should be ok */
 
     // not a pointer type
     1u8 as u16;
     // cast to less-strictly-aligned type
     (&1u16 as *const u16) as *const u8;
     (&mut 1u16 as *mut u16) as *mut u8;
+    // For c_void, we should trust the user. See #2677
+    (&1u32 as *const u32 as *const std::os::raw::c_void) as *const u32;
+    (&1u32 as *const u32 as *const libc::c_void) as *const u32;
+    // For ZST, we should trust the user. See #4256
+    (&1u32 as *const u32 as *const ()) as *const u32;
 }