50 lines
807 B
Rust
50 lines
807 B
Rust
// unit-test
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// compile-flags: -O
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#![feature(offset_of)]
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use std::marker::PhantomData;
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use std::mem::offset_of;
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struct Alpha {
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x: u8,
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y: u16,
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z: Beta,
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}
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struct Beta(u8, u8);
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struct Gamma<T> {
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x: u8,
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y: u16,
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_t: T,
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}
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#[repr(C)]
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struct Delta<T> {
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_phantom: PhantomData<T>,
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x: u8,
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y: u16,
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}
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// EMIT_MIR offset_of.concrete.ConstProp.diff
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fn concrete() {
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let x = offset_of!(Alpha, x);
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let y = offset_of!(Alpha, y);
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let z0 = offset_of!(Alpha, z.0);
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let z1 = offset_of!(Alpha, z.1);
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}
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// EMIT_MIR offset_of.generic.ConstProp.diff
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fn generic<T>() {
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let gx = offset_of!(Gamma<T>, x);
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let gy = offset_of!(Gamma<T>, y);
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let dx = offset_of!(Delta<T>, x);
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let dy = offset_of!(Delta<T>, y);
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}
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fn main() {
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concrete();
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generic::<()>();
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}
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