bjoernager/rust
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Rollup merge of #72822 - lcnr:intern-me, r=estebank

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remove trivial calls to mk_const

similar to #72754
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Yuki Okushi 2020-06-02 13:07:15 +09:00 • committed by GitHub
commit f1732f66ff
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1 changed files with 5 additions and 1 deletions
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6
src/librustc_middle/ty/structural_impls.rs
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@ -1019,7 +1019,11 @@ impl<'tcx> TypeFoldable<'tcx> for &'tcx ty::Const<'tcx> {
fn super_fold_with<F: TypeFolder<'tcx>>(&self, folder: &mut F) -> Self {
let ty = self.ty.fold_with(folder);
let val = self.val.fold_with(folder);
folder.tcx().mk_const(ty::Const { ty, val })
if ty != self.ty || val != self.val {
folder.tcx().mk_const(ty::Const { ty, val })
} else {
*self
}
}
fn fold_with<F: TypeFolder<'tcx>>(&self, folder: &mut F) -> Self {