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Return early if generator_drop.is_some() #5239

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Return early if generator_drop.is_some() #5239

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903ef47
Return early if generator_drop.is_some()
JohnTitor Feb 28, 2020
1be95fe
Add a regression test
JohnTitor Feb 28, 2020
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4 changes: 4 additions & 0 deletions clippy_lints/src/redundant_clone.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -82,6 +82,10 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for RedundantClone {
let mir = cx.tcx.optimized_mir(def_id);
let mir_read_only = mir.unwrap_read_only();

if mir.generator_drop.is_some() {
return;
}

let maybe_storage_live_result = MaybeStorageLive
.into_engine(cx.tcx, mir, def_id)
.iterate_to_fixpoint()
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9 changes: 9 additions & 0 deletions tests/ui/crashes/ice-5238.rs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
// Regression test for #5238

#![feature(generators, generator_trait)]

fn main() {
let _ = || {
yield;
};
}