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authorbjorn3 <17426603+bjorn3@users.noreply.github.com>2023-12-14 13:26:46 +0000
committerbjorn3 <17426603+bjorn3@users.noreply.github.com>2023-12-14 13:26:46 +0000
commitbb7a126ecde37114c8b19cd9bcd77a2d9dc6125f (patch)
tree1836059b6f48065d30e6c27a4039682511e95095
parent45fab3a8bb91be93afb7180209a840dd14ad95b2 (diff)
parente3d2831ff4fb15520d21856c91c2d9233724bdd5 (diff)
downloadrust-bb7a126ecde37114c8b19cd9bcd77a2d9dc6125f.tar.gz
rust-bb7a126ecde37114c8b19cd9bcd77a2d9dc6125f.zip
Sync from rust eeff92ad32c2627876112ccfe812e19d38494087
-rw-r--r--build_system/tests.rs5
-rw-r--r--example/issue-91827-extern-types.rs55
2 files changed, 0 insertions, 60 deletions
diff --git a/build_system/tests.rs b/build_system/tests.rs
index fb857ad1c06..cb7b2454cd5 100644
--- a/build_system/tests.rs
+++ b/build_system/tests.rs
@@ -75,11 +75,6 @@ const BASE_SYSROOT_SUITE: &[TestCase] = &[
         "example/arbitrary_self_types_pointers_and_wrappers.rs",
         &[],
     ),
-    TestCase::build_bin_and_run(
-        "aot.issue_91827_extern_types",
-        "example/issue-91827-extern-types.rs",
-        &[],
-    ),
     TestCase::build_lib("build.alloc_system", "example/alloc_system.rs", "lib"),
     TestCase::build_bin_and_run("aot.alloc_example", "example/alloc_example.rs", &[]),
     TestCase::jit_bin("jit.std_example", "example/std_example.rs", ""),
diff --git a/example/issue-91827-extern-types.rs b/example/issue-91827-extern-types.rs
deleted file mode 100644
index 6f39c5edcad..00000000000
--- a/example/issue-91827-extern-types.rs
+++ /dev/null
@@ -1,55 +0,0 @@
-// Copied from rustc ui test suite
-
-// run-pass
-//
-// Test that we can handle unsized types with an extern type tail part.
-// Regression test for issue #91827.
-
-#![feature(extern_types)]
-
-use std::ptr::addr_of;
-
-extern "C" {
-    type Opaque;
-}
-
-unsafe impl Sync for Opaque {}
-
-#[repr(C)]
-pub struct List<T> {
-    len: usize,
-    data: [T; 0],
-    tail: Opaque,
-}
-
-#[repr(C)]
-pub struct ListImpl<T, const N: usize> {
-    len: usize,
-    data: [T; N],
-}
-
-impl<T> List<T> {
-    const fn as_slice(&self) -> &[T] {
-        unsafe { std::slice::from_raw_parts(self.data.as_ptr(), self.len) }
-    }
-}
-
-impl<T, const N: usize> ListImpl<T, N> {
-    const fn as_list(&self) -> &List<T> {
-        unsafe { std::mem::transmute(self) }
-    }
-}
-
-pub static A: ListImpl<u128, 3> = ListImpl { len: 3, data: [5, 6, 7] };
-pub static A_REF: &'static List<u128> = A.as_list();
-pub static A_TAIL_OFFSET: isize = tail_offset(A.as_list());
-
-const fn tail_offset<T>(list: &List<T>) -> isize {
-    unsafe { (addr_of!(list.tail) as *const u8).offset_from(list as *const List<T> as *const u8) }
-}
-
-fn main() {
-    assert_eq!(A_REF.as_slice(), &[5, 6, 7]);
-    // Check that interpreter and code generation agree about the position of the tail field.
-    assert_eq!(A_TAIL_OFFSET, tail_offset(A_REF));
-}