13 lines
342 B
Rust
13 lines
342 B
Rust
// compile-flags: -O
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#![crate_type="lib"]
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#![feature(maybe_uninit)]
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use std::mem::MaybeUninit;
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// Boxing a `MaybeUninit` value should not copy junk from the stack
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#[no_mangle]
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pub fn box_uninitialized() -> Box<MaybeUninit<usize>> {
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// CHECK-LABEL: @box_uninitialized
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// CHECK-NOT: store
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Box::new(MaybeUninit::uninitialized())
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}
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