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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/structs-enums/tag-align-dyn-variants.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/structs-enums/tag-align-dyn-variants.rs')
-rw-r--r--src/test/ui/structs-enums/tag-align-dyn-variants.rs67
1 files changed, 0 insertions, 67 deletions
diff --git a/src/test/ui/structs-enums/tag-align-dyn-variants.rs b/src/test/ui/structs-enums/tag-align-dyn-variants.rs
deleted file mode 100644
index 4d075b04c..000000000
--- a/src/test/ui/structs-enums/tag-align-dyn-variants.rs
+++ /dev/null
@@ -1,67 +0,0 @@
-// run-pass
-#![allow(dead_code)]
-#![allow(deprecated)]
-#![allow(non_snake_case)]
-
-use std::mem;
-
-enum Tag<A,B> {
- VarA(A),
- VarB(B),
-}
-
-struct Rec<A,B> {
- chA: u8,
- tA: Tag<A,B>,
- chB: u8,
- tB: Tag<A,B>,
-}
-
-fn mk_rec<A,B>(a: A, b: B) -> Rec<A,B> {
- Rec { chA:0, tA:Tag::VarA(a), chB:1, tB:Tag::VarB(b) }
-}
-
-fn is_aligned<A>(amnt: usize, u: &A) -> bool {
- let p: usize = unsafe { mem::transmute(u) };
- return (p & (amnt-1)) == 0;
-}
-
-fn variant_data_is_aligned<A,B>(amnt: usize, u: &Tag<A,B>) -> bool {
- match u {
- &Tag::VarA(ref a) => is_aligned(amnt, a),
- &Tag::VarB(ref b) => is_aligned(amnt, b)
- }
-}
-
-pub fn main() {
- let u64_align = std::mem::min_align_of::<u64>();
- let x = mk_rec(22u64, 23u64);
- assert!(is_aligned(u64_align, &x.tA));
- assert!(variant_data_is_aligned(u64_align, &x.tA));
- assert!(is_aligned(u64_align, &x.tB));
- assert!(variant_data_is_aligned(u64_align, &x.tB));
-
- let x = mk_rec(22u64, 23u32);
- assert!(is_aligned(u64_align, &x.tA));
- assert!(variant_data_is_aligned(u64_align, &x.tA));
- assert!(is_aligned(u64_align, &x.tB));
- assert!(variant_data_is_aligned(4, &x.tB));
-
- let x = mk_rec(22u32, 23u64);
- assert!(is_aligned(u64_align, &x.tA));
- assert!(variant_data_is_aligned(4, &x.tA));
- assert!(is_aligned(u64_align, &x.tB));
- assert!(variant_data_is_aligned(u64_align, &x.tB));
-
- let x = mk_rec(22u32, 23u32);
- assert!(is_aligned(4, &x.tA));
- assert!(variant_data_is_aligned(4, &x.tA));
- assert!(is_aligned(4, &x.tB));
- assert!(variant_data_is_aligned(4, &x.tB));
-
- let x = mk_rec(22f64, 23f64);
- assert!(is_aligned(u64_align, &x.tA));
- assert!(variant_data_is_aligned(u64_align, &x.tA));
- assert!(is_aligned(u64_align, &x.tB));
- assert!(variant_data_is_aligned(u64_align, &x.tB));
-}