36 lines
994 B
Rust
36 lines
994 B
Rust
// ignore-compare-mode-nll
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// Test that the borrow checker prevents pointers to temporaries
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// with statement lifetimes from escaping.
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use std::ops::Drop;
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static mut FLAGS: u64 = 0;
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struct Box<T> { f: T }
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struct AddFlags { bits: u64 }
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fn AddFlags(bits: u64) -> AddFlags {
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AddFlags { bits: bits }
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}
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fn arg(x: &AddFlags) -> &AddFlags {
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x
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}
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impl AddFlags {
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fn get(&self) -> &AddFlags {
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self
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}
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}
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pub fn main() {
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let _x = arg(&AddFlags(1)); //~ ERROR value does not live long enough
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let _x = AddFlags(1).get(); //~ ERROR value does not live long enough
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let _x = &*arg(&AddFlags(1)); //~ ERROR value does not live long enough
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let ref _x = *arg(&AddFlags(1)); //~ ERROR value does not live long enough
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let &ref _x = arg(&AddFlags(1)); //~ ERROR value does not live long enough
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let _x = AddFlags(1).get(); //~ ERROR value does not live long enough
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let Box { f: _x } = Box { f: AddFlags(1).get() }; //~ ERROR value does not live long enough
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}
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