From 4f9fe856a25ab29345b90e7725509e9ee38a37be Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:41 +0200 Subject: Adding upstream version 1.69.0+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/lint/unaligned_references.rs | 42 ++++++++++++++--------------------- 1 file changed, 17 insertions(+), 25 deletions(-) (limited to 'tests/ui/lint/unaligned_references.rs') diff --git a/tests/ui/lint/unaligned_references.rs b/tests/ui/lint/unaligned_references.rs index e547f031a..0c9c79c08 100644 --- a/tests/ui/lint/unaligned_references.rs +++ b/tests/ui/lint/unaligned_references.rs @@ -1,5 +1,3 @@ -#![deny(unaligned_references)] - #[repr(packed)] pub struct Good { data: u64, @@ -15,25 +13,33 @@ pub struct Packed2 { z: u8, } +trait Foo { + fn evil(&self); +} + +// Test for #108122 +#[automatically_derived] +impl Foo for Packed2 { + fn evil(&self) { + unsafe { + &self.x; //~ ERROR reference to packed field + } + } +} + fn main() { unsafe { let good = Good { data: 0, ptr: &0, data2: [0, 0], aligned: [0; 32] }; let _ = &good.ptr; //~ ERROR reference to packed field - //~^ previously accepted let _ = &good.data; //~ ERROR reference to packed field - //~^ previously accepted // Error even when turned into raw pointer immediately. let _ = &good.data as *const _; //~ ERROR reference to packed field - //~^ previously accepted let _: *const _ = &good.data; //~ ERROR reference to packed field - //~^ previously accepted // Error on method call. let _ = good.data.clone(); //~ ERROR reference to packed field - //~^ previously accepted // Error for nested fields. let _ = &good.data2[0]; //~ ERROR reference to packed field - //~^ previously accepted let _ = &*good.ptr; // ok, behind a pointer let _ = &good.aligned; // ok, has align 1 @@ -43,9 +49,9 @@ fn main() { unsafe { let packed2 = Packed2 { x: 0, y: 0, z: 0 }; let _ = &packed2.x; //~ ERROR reference to packed field - //~^ previously accepted let _ = &packed2.y; // ok, has align 2 in packed(2) struct let _ = &packed2.z; // ok, has align 1 + packed2.evil(); } unsafe { @@ -80,24 +86,10 @@ fn main() { #[repr(packed)] struct Misalign(u8, T); - let m1 = Misalign( - 0, - Wrapper { - a: U16(10), - b: HasDrop, - }, - ); + let m1 = Misalign(0, Wrapper { a: U16(10), b: HasDrop }); let _ref = &m1.1.a; //~ ERROR reference to packed field - //~^ previously accepted - let m2 = Misalign( - 0, - Wrapper2 { - a: U16(10), - b: HasDrop, - }, - ); + let m2 = Misalign(0, Wrapper2 { a: U16(10), b: HasDrop }); let _ref = &m2.1.a; //~ ERROR reference to packed field - //~^ previously accepted } } -- cgit v1.2.3