{"ast_node_type":"variable","tokens":[{"end":56,"kind":"keyword","start":0,"text":"let"}]}
        let ty::Float(fty) = src.layout.ty.kind() else {
    ) -> InterpResult<'tcx, ImmTy<'tcx, M::Provenance>> {
            bug!("FloatToFloat/FloatToInt cast: source type {} is not a float type", src.layout.ty)