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Add test for unnecessary panic branches
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//! Tests that generators that cannot return or unwind don't have unnecessary | ||
//! panic branches. | ||
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// compile-flags: -Zno-landing-pads | ||
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#![feature(generators, generator_trait)] | ||
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struct HasDrop; | ||
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impl Drop for HasDrop { | ||
fn drop(&mut self) {} | ||
} | ||
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fn callee() {} | ||
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fn main() { | ||
let _gen = |_x: u8| { | ||
let _d = HasDrop; | ||
loop { | ||
yield; | ||
callee(); | ||
} | ||
}; | ||
} | ||
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// END RUST SOURCE | ||
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// START rustc.main-{{closure}}.generator_resume.0.mir | ||
// bb0: { | ||
// ... | ||
// switchInt(move _11) -> [0u32: bb1, 3u32: bb5, otherwise: bb6]; | ||
// } | ||
// ... | ||
// END rustc.main-{{closure}}.generator_resume.0.mir |