Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 118 insertions, 0 deletions

diff --git a/src/test/ui/lint/lint-ctypes.rs b/src/test/ui/lint/lint-ctypes.rs
new file mode 100644
index 000000000..9165e14b7
--- /dev/null
+++ b/src/test/ui/lint/lint-ctypes.rs
@@ -0,0 +1,118 @@
+#![feature(rustc_private)]
+
+#![allow(private_in_public)]
+#![deny(improper_ctypes)]
+
+extern crate libc;
+
+use std::cell::UnsafeCell;
+use std::marker::PhantomData;
+
+trait Bar { }
+trait Mirror { type It: ?Sized; }
+impl<T: ?Sized> Mirror for T { type It = Self; }
+#[repr(C)]
+pub struct StructWithProjection(*mut <StructWithProjection as Mirror>::It);
+#[repr(C)]
+pub struct StructWithProjectionAndLifetime<'a>(
+    &'a mut <StructWithProjectionAndLifetime<'a> as Mirror>::It
+);
+pub type I32Pair = (i32, i32);
+#[repr(C)]
+pub struct ZeroSize;
+pub type RustFn = fn();
+pub type RustBadRet = extern "C" fn() -> Box<u32>;
+pub type CVoidRet = ();
+pub struct Foo;
+#[repr(transparent)]
+pub struct TransparentI128(i128);
+#[repr(transparent)]
+pub struct TransparentStr(&'static str);
+#[repr(transparent)]
+pub struct TransparentBadFn(RustBadRet);
+#[repr(transparent)]
+pub struct TransparentInt(u32);
+#[repr(transparent)]
+pub struct TransparentRef<'a>(&'a TransparentInt);
+#[repr(transparent)]
+pub struct TransparentLifetime<'a>(*const u8, PhantomData<&'a ()>);
+#[repr(transparent)]
+pub struct TransparentUnit<U>(f32, PhantomData<U>);
+#[repr(transparent)]
+pub struct TransparentCustomZst(i32, ZeroSize);
+
+#[repr(C)]
+pub struct ZeroSizeWithPhantomData(::std::marker::PhantomData<i32>);
+
+extern "C" {
+    pub fn ptr_type1(size: *const Foo); //~ ERROR: uses type `Foo`
+    pub fn ptr_type2(size: *const Foo); //~ ERROR: uses type `Foo`
+    pub fn ptr_unit(p: *const ());
+    pub fn ptr_tuple(p: *const ((),)); //~ ERROR: uses type `((),)`
+    pub fn slice_type(p: &[u32]); //~ ERROR: uses type `[u32]`
+    pub fn str_type(p: &str); //~ ERROR: uses type `str`
+    pub fn box_type(p: Box<u32>); //~ ERROR uses type `Box<u32>`
+    pub fn opt_box_type(p: Option<Box<u32>>);
+    //~^ ERROR uses type `Option<Box<u32>>`
+    pub fn char_type(p: char); //~ ERROR uses type `char`
+    pub fn i128_type(p: i128); //~ ERROR uses type `i128`
+    pub fn u128_type(p: u128); //~ ERROR uses type `u128`
+    pub fn trait_type(p: &dyn Bar); //~ ERROR uses type `dyn Bar`
+    pub fn tuple_type(p: (i32, i32)); //~ ERROR uses type `(i32, i32)`
+    pub fn tuple_type2(p: I32Pair); //~ ERROR uses type `(i32, i32)`
+    pub fn zero_size(p: ZeroSize); //~ ERROR uses type `ZeroSize`
+    pub fn zero_size_phantom(p: ZeroSizeWithPhantomData);
+    //~^ ERROR uses type `ZeroSizeWithPhantomData`
+    pub fn zero_size_phantom_toplevel()
+        -> ::std::marker::PhantomData<bool>; //~ ERROR uses type `PhantomData<bool>`
+    pub fn fn_type(p: RustFn); //~ ERROR uses type `fn()`
+    pub fn fn_type2(p: fn()); //~ ERROR uses type `fn()`
+    pub fn fn_contained(p: RustBadRet); //~ ERROR: uses type `Box<u32>`
+    pub fn transparent_i128(p: TransparentI128); //~ ERROR: uses type `i128`
+    pub fn transparent_str(p: TransparentStr); //~ ERROR: uses type `str`
+    pub fn transparent_fn(p: TransparentBadFn); //~ ERROR: uses type `Box<u32>`
+    pub fn raw_array(arr: [u8; 8]); //~ ERROR: uses type `[u8; 8]`
+
+    pub fn no_niche_a(a: Option<UnsafeCell<extern fn()>>);
+    //~^ ERROR: uses type `Option<UnsafeCell<extern "C" fn()>>`
+    pub fn no_niche_b(b: Option<UnsafeCell<&i32>>);
+    //~^ ERROR: uses type `Option<UnsafeCell<&i32>>`
+
+    pub static static_u128_type: u128; //~ ERROR: uses type `u128`
+    pub static static_u128_array_type: [u128; 16]; //~ ERROR: uses type `u128`
+
+    pub fn good3(fptr: Option<extern "C" fn()>);
+    pub fn good4(aptr: &[u8; 4 as usize]);
+    pub fn good5(s: StructWithProjection);
+    pub fn good6(s: StructWithProjectionAndLifetime);
+    pub fn good7(fptr: extern "C" fn() -> ());
+    pub fn good8(fptr: extern "C" fn() -> !);
+    pub fn good9() -> ();
+    pub fn good10() -> CVoidRet;
+    pub fn good11(size: isize);
+    pub fn good12(size: usize);
+    pub fn good13(n: TransparentInt);
+    pub fn good14(p: TransparentRef);
+    pub fn good15(p: TransparentLifetime);
+    pub fn good16(p: TransparentUnit<ZeroSize>);
+    pub fn good17(p: TransparentCustomZst);
+    #[allow(improper_ctypes)]
+    pub fn good18(_: &String);
+    pub fn good20(arr: *const [u8; 8]);
+    pub static good21: [u8; 8];
+
+}
+
+#[allow(improper_ctypes)]
+extern "C" {
+    pub fn good19(_: &String);
+}
+
+#[cfg(not(target_arch = "wasm32"))]
+extern "C" {
+    pub fn good1(size: *const libc::c_int);
+    pub fn good2(size: *const libc::c_uint);
+}
+
+fn main() {
+}