rustdoc displayed wrongly higher-kind functions generated by macros

[tesuji]

rustdoc displayed wrongly higher-kind functions generated by macros.

For example, in this link to rustc_middle::ty::query::Providers:

where defined:

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rustc --version --verbose: 1.47.0-nightly (8e21bd0 2020-08-14)

[tesuji]

@rustbot modify labels: T-rustdoc