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authorVadim Petrochenkov <vadim.petrochenkov@gmail.com>2019-07-27 01:33:01 +0300
committerVadim Petrochenkov <vadim.petrochenkov@gmail.com>2019-07-27 18:56:16 +0300
commit9be35f82c1abf2ecbab489bca9eca138ea648312 (patch)
tree69888506e34af447d9748c0d542de3ba1dd76210 /src/test/run-pass/packed/packed-struct-optimized-enum.rs
parentca9faa52f5ada0054b1fa27d97aedf448afb059b (diff)
downloadrust-9be35f82c1abf2ecbab489bca9eca138ea648312.tar.gz
rust-9be35f82c1abf2ecbab489bca9eca138ea648312.zip
tests: Move run-pass tests without naming conflicts to ui
Diffstat (limited to 'src/test/run-pass/packed/packed-struct-optimized-enum.rs')
-rw-r--r--src/test/run-pass/packed/packed-struct-optimized-enum.rs36
1 files changed, 0 insertions, 36 deletions
diff --git a/src/test/run-pass/packed/packed-struct-optimized-enum.rs b/src/test/run-pass/packed/packed-struct-optimized-enum.rs
deleted file mode 100644
index 7ce62464ef0..00000000000
--- a/src/test/run-pass/packed/packed-struct-optimized-enum.rs
+++ /dev/null
@@ -1,36 +0,0 @@
-// run-pass
-#[repr(packed)]
-struct Packed<T: Copy>(T);
-
-impl<T: Copy> Copy for Packed<T> {}
-impl<T: Copy> Clone for Packed<T> {
-    fn clone(&self) -> Self { *self }
-}
-
-fn sanity_check_size<T: Copy>(one: T) {
-    let two = [one, one];
-    let stride = (&two[1] as *const _ as usize) - (&two[0] as *const _ as usize);
-    let (size, align) = (std::mem::size_of::<T>(), std::mem::align_of::<T>());
-    assert_eq!(stride, size);
-    assert_eq!(size % align, 0);
-}
-
-fn main() {
-    // This can fail if rustc and LLVM disagree on the size of a type.
-    // In this case, `Option<Packed<(&(), u32)>>` was erroneously not
-    // marked as packed despite needing alignment `1` and containing
-    // its `&()` discriminant, which has alignment larger than `1`.
-    sanity_check_size((Some(Packed((&(), 0))), true));
-
-    // In #46769, `Option<(Packed<&()>, bool)>` was found to have
-    // pointer alignment, without actually being aligned in size.
-    // e.g., on 64-bit platforms, it had alignment `8` but size `9`.
-    type PackedRefAndBool<'a> = (Packed<&'a ()>, bool);
-    sanity_check_size::<Option<PackedRefAndBool>>(Some((Packed(&()), true)));
-
-    // Make sure we don't pay for the enum optimization in size,
-    // e.g., we shouldn't need extra padding after the packed data.
-    assert_eq!(std::mem::align_of::<Option<PackedRefAndBool>>(), 1);
-    assert_eq!(std::mem::size_of::<Option<PackedRefAndBool>>(),
-               std::mem::size_of::<PackedRefAndBool>());
-}