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Rollup merge of #57984 - phansch:improve_check_ty_error, r=zackmdavis

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Improve bug message in check_ty

This branch was hit in Clippy and I think it would be nice to
show the thing that was unexpected in the bug message.

It's also in line with the other `bug!` messages in `check_ty`.
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Mazdak Farrokhzad 2019-01-31 02:10:47 +01:00 • committed by GitHub
commit dfc8ff549f
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4
src/librustc_typeck/collect.rs
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@ -1303,12 +1303,12 @@ fn type_of<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, def_id: DefId) -> Ty<'tcx> {
}
},
Node::GenericParam(param) => match param.kind {
Node::GenericParam(param) => match &param.kind {
hir::GenericParamKind::Type {
default: Some(ref ty),
..
} => icx.to_ty(ty),
_ => bug!("unexpected non-type NodeGenericParam"),
x => bug!("unexpected non-type Node::GenericParam: {:?}", x),
},
x => {