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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
commit218caa410aa38c29984be31a5229b9fa717560ee (patch)
treec54bd55eeb6e4c508940a30e94c0032fbd45d677 /src/test/ui/unsized/issue-40231-2.rs
parentReleasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz
rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/unsized/issue-40231-2.rs')
-rw-r--r--src/test/ui/unsized/issue-40231-2.rs54
1 files changed, 0 insertions, 54 deletions
diff --git a/src/test/ui/unsized/issue-40231-2.rs b/src/test/ui/unsized/issue-40231-2.rs
deleted file mode 100644
index 780433b28..000000000
--- a/src/test/ui/unsized/issue-40231-2.rs
+++ /dev/null
@@ -1,54 +0,0 @@
-// check-pass
-
-#![allow(dead_code)]
-
-trait Structure<E>: Sized where E: Encoding {
- type RefTarget: ?Sized;
- type FfiPtr;
- unsafe fn borrow_from_ffi_ptr<'a>(ptr: Self::FfiPtr) -> Option<&'a Self::RefTarget>;
-}
-
-enum Slice {}
-
-impl<E> Structure<E> for Slice where E: Encoding {
- type RefTarget = [E::Unit];
- type FfiPtr = (*const E::FfiUnit, usize);
- unsafe fn borrow_from_ffi_ptr<'a>(_ptr: Self::FfiPtr) -> Option<&'a Self::RefTarget> {
- panic!()
- }
-}
-
-trait Encoding {
- type Unit: Unit;
- type FfiUnit;
-}
-
-trait Unit {}
-
-enum Utf16 {}
-
-impl Encoding for Utf16 {
- type Unit = Utf16Unit;
- type FfiUnit = u16;
-}
-
-struct Utf16Unit(pub u16);
-
-impl Unit for Utf16Unit {}
-
-struct SUtf16Str {
- _data: <Slice as Structure<Utf16>>::RefTarget,
-}
-
-impl SUtf16Str {
- pub unsafe fn from_ptr<'a>(ptr: <Slice as Structure<Utf16>>::FfiPtr)
- -> Option<&'a Self> {
- std::mem::transmute::<Option<&[<Utf16 as Encoding>::Unit]>, _>(
- <Slice as Structure<Utf16>>::borrow_from_ffi_ptr(ptr))
- }
-}
-
-fn main() {
- const TEXT_U16: &'static [u16] = &[];
- let _ = unsafe { SUtf16Str::from_ptr((TEXT_U16.as_ptr(), TEXT_U16.len())).unwrap() };
-}