From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- .../ui/packed/packed-struct-address-of-element.rs | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 tests/ui/packed/packed-struct-address-of-element.rs (limited to 'tests/ui/packed/packed-struct-address-of-element.rs') diff --git a/tests/ui/packed/packed-struct-address-of-element.rs b/tests/ui/packed/packed-struct-address-of-element.rs new file mode 100644 index 000000000..d86698cbf --- /dev/null +++ b/tests/ui/packed/packed-struct-address-of-element.rs @@ -0,0 +1,36 @@ +// run-pass +#![allow(dead_code)] +#![feature(raw_ref_op)] +// ignore-emscripten weird assertion? + +#[repr(packed)] +struct Foo1 { + bar: u8, + baz: usize +} + +#[repr(packed(2))] +struct Foo2 { + bar: u8, + baz: usize +} + +#[repr(C, packed(4))] +struct Foo4C { + bar: u8, + baz: usize +} + +pub fn main() { + let foo = Foo1 { bar: 1, baz: 2 }; + let brw = &raw const foo.baz; + unsafe { assert_eq!(brw.read_unaligned(), 2); } + + let foo = Foo2 { bar: 1, baz: 2 }; + let brw = &raw const foo.baz; + unsafe { assert_eq!(brw.read_unaligned(), 2); } + + let mut foo = Foo4C { bar: 1, baz: 2 }; + let brw = &raw mut foo.baz; + unsafe { assert_eq!(brw.read_unaligned(), 2); } +} -- cgit v1.2.3