18 lines
633 B
Rust
18 lines
633 B
Rust
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//@ test-mir-pass: ElaborateDrops
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//@ needs-unwind
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#![feature(rustc_attrs, liballoc_internals)]
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// EMIT_MIR box_partial_move.maybe_move.ElaborateDrops.diff
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fn maybe_move(cond: bool, thing: Box<String>) -> Option<String> {
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// CHECK-LABEL: fn maybe_move(
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// CHECK: let mut [[PTR:_[0-9]+]]: *const std::string::String;
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// CHECK: [[PTR]] = copy ((_2.0: std::ptr::Unique<std::string::String>).0: std::ptr::NonNull<std::string::String>) as *const std::string::String (Transmute);
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// CHECK: drop((*[[PTR]]))
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if cond { Some(*thing) } else { None }
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}
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fn main() {
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maybe_move(false, Box::new("hello".to_string()));
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}
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