mirror of https://github.com/rust-lang/rust.git
18 lines
353 B
Rust
18 lines
353 B
Rust
// Guards against regression for optimization discussed in issue #80836
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// compile-flags: -O
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// ignore-debug: the debug assertions get in the way
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#![crate_type = "lib"]
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use std::collections::VecDeque;
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// CHECK-LABEL: @front
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// CHECK: ret void
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#[no_mangle]
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pub fn front(v: VecDeque<usize>) {
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if !v.is_empty() {
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v.get(0).unwrap();
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}
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}
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