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Jacob Pratt
08eec7ad72
Avoid `#[target_features]` The string `#[target_features]` is used in various error messages as well as the compiler's code. But there is no such attribute, which I found very confusing. I think it means "one or more target features", e.g. covering both `#[target_feature(foo)]` and `#[target_feature(foo, bar, baz)]`. We already use `#[target_feature(..)]` for that meaning in several places. So this commit changes all `#[target_features]` occurrences to `#[target_feature(..)]`. It also changes a few `#[target_feature]` (no plural) occurrences to `#[target_feature(..)]` for consistency with other mentions nearby in error messages. r? @oli-obk
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