diff --git a/src/test/ui/consts/zst_no_llvm_alloc.rs b/src/test/ui/consts/zst_no_llvm_alloc.rs new file mode 100644 index 0000000000000..5d779355400cc --- /dev/null +++ b/src/test/ui/consts/zst_no_llvm_alloc.rs @@ -0,0 +1,19 @@ +// run-pass + +#[repr(align(4))] +struct Foo; + +static FOO: Foo = Foo; + +fn main() { + let x: &'static () = &(); + assert_eq!(x as *const () as usize, 1); + let x: &'static Foo = &Foo; + assert_eq!(x as *const Foo as usize, 4); + + // statics must have a unique address + assert_ne!(&FOO as *const Foo as usize, 4); + + assert_eq!(>::new().as_ptr(), <&[i32]>::default().as_ptr()); + assert_eq!(>::default().as_ptr(), (&[]).as_ptr()); +}