mirror of https://github.com/rust-lang/rust
24 lines
482 B
Rust
24 lines
482 B
Rust
// skip-filecheck
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// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
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//@ test-mir-pass: GVN
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//@ compile-flags: -Zmir-opt-level=1
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trait NeedsDrop: Sized {
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const NEEDS: bool = std::mem::needs_drop::<Self>();
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}
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impl<This> NeedsDrop for This {}
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// EMIT_MIR control_flow_simplification.hello.GVN.diff
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// EMIT_MIR control_flow_simplification.hello.PreCodegen.before.mir
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fn hello<T>() {
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if <bool>::NEEDS {
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panic!()
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}
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}
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pub fn main() {
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hello::<()>();
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hello::<Vec<()>>();
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}
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