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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/print_type_sizes/packed.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/print_type_sizes/packed.rs')
-rw-r--r--src/test/ui/print_type_sizes/packed.rs69
1 files changed, 0 insertions, 69 deletions
diff --git a/src/test/ui/print_type_sizes/packed.rs b/src/test/ui/print_type_sizes/packed.rs
deleted file mode 100644
index 269cc3cc2..000000000
--- a/src/test/ui/print_type_sizes/packed.rs
+++ /dev/null
@@ -1,69 +0,0 @@
-// compile-flags: -Z print-type-sizes
-// build-pass
-// ignore-pass
-// ^-- needed because `--pass check` does not emit the output needed.
-// FIXME: consider using an attribute instead of side-effects.
-
-// This file illustrates how packing is handled; it should cause
-// the elimination of padding that would normally be introduced
-// to satisfy alignment desirata.
-//
-// It avoids using u64/i64 because on some targets that is only 4-byte
-// aligned (while on most it is 8-byte aligned) and so the resulting
-// padding and overall computed sizes can be quite different.
-
-#![allow(dead_code)]
-#![feature(start)]
-
-#[derive(Default)]
-#[repr(packed)]
-struct Packed1 {
- a: u8,
- b: u8,
- g: i32,
- c: u8,
- h: i16,
- d: u8,
-}
-
-#[derive(Default)]
-#[repr(packed(2))]
-struct Packed2 {
- a: u8,
- b: u8,
- g: i32,
- c: u8,
- h: i16,
- d: u8,
-}
-
-#[derive(Default)]
-#[repr(packed(2))]
-#[repr(C)]
-struct Packed2C {
- a: u8,
- b: u8,
- g: i32,
- c: u8,
- h: i16,
- d: u8,
-}
-
-#[derive(Default)]
-struct Padded {
- a: u8,
- b: u8,
- g: i32,
- c: u8,
- h: i16,
- d: u8,
-}
-
-#[start]
-fn start(_: isize, _: *const *const u8) -> isize {
- let _c: Packed1 = Default::default();
- let _d: Packed2 = Default::default();
- let _e: Packed2C = Default::default();
- let _f: Padded = Default::default();
- 0
-}