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Rollup merge of #39692 - oli-obk:patch-2, r=aturon

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remove wrong packed struct test

This UB was found by running the test under [Miri](https://github.com/solson/miri) which rejects these unsafe unaligned loads. 😄
This commit is contained in:
Corey Farwell 2017-02-10 23:41:35 -05:00 • committed by GitHub
commit 92cf7aecb4
1 changed files with 0 additions and 12 deletions
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12
src/test/run-pass/dst-field-align.rs
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@ -25,12 +25,6 @@ struct Baz<T: ?Sized> {
a: T a: T
} }
#[repr(packed)]
struct Packed<T: ?Sized> {
a: u8,
b: T
}
struct HasDrop<T: ?Sized> { struct HasDrop<T: ?Sized> {
ptr: Box<usize>, ptr: Box<usize>,
data: T data: T
@ -55,12 +49,6 @@ fn main() {
// The pointers should be the same // The pointers should be the same
assert_eq!(ptr1, ptr2); assert_eq!(ptr1, ptr2);
// Test that packed structs are handled correctly
let p : Packed<usize> = Packed { a: 0, b: 13 };
assert_eq!(p.b.get(), 13);
let p : &Packed<Bar> = &p;
assert_eq!(p.b.get(), 13);
// Test that nested DSTs work properly // Test that nested DSTs work properly
let f : Foo<Foo<usize>> = Foo { a: 0, b: Foo { a: 1, b: 17 }}; let f : Foo<Foo<usize>> = Foo { a: 0, b: Foo { a: 1, b: 17 }};
assert_eq!(f.b.b.get(), 17); assert_eq!(f.b.b.get(), 17);