55 lines
1.1 KiB
Rust
55 lines
1.1 KiB
Rust
// xfail-pretty
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// Issue #2303
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#[abi = "rust-intrinsic"]
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extern mod rusti {
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fn pref_align_of<T>() -> uint;
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fn min_align_of<T>() -> uint;
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}
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// This is the type with the questionable alignment
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type inner = {
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c64: u32
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};
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// This is the type that contains the type with the
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// questionable alignment, for testing
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type outer = {
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c8: u8,
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t: inner
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};
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#[cfg(target_arch = "x86")]
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mod m {
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fn align() -> uint { 4u }
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fn size() -> uint { 8u }
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}
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#[cfg(target_arch = "x86_64")]
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mod m {
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fn align() -> uint { 4u }
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fn size() -> uint { 8u }
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}
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fn main() {
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let x = {c8: 22u8, t: {c64: 44u32}};
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// Send it through the shape code
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let y = fmt!{"%?", x};
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debug!{"align inner = %?", rusti::min_align_of::<inner>()};
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debug!{"size outer = %?", sys::size_of::<outer>()};
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debug!{"y = %s", y};
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// per clang/gcc the alignment of `inner` is 4 on x86.
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assert rusti::min_align_of::<inner>() == m::align();
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// per clang/gcc the size of `outer` should be 12
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// because `inner`s alignment was 4.
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assert sys::size_of::<outer>() == m::size();
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assert y == ~"(22, (44))";
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}
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