Rustc doesn't emit unused_doc_comments warning for documentation on generic parameters #90610
Description
I tried this code:
pub fn foo<#[doc = "bar"] A>(_baz: A) {}I expected to see this happen: Either rustdoc adds "bar" somewhere in the documentation, or rustc gives a warning that the doc-comment does nothing.
Instead, this happened: The doc-comment is silently discarded.
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rustc --version --verbose: rustc 1.58.0-nightly (4961b10 2021-11-04)
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Area: Lints (warnings about flaws in source code) such as unused_mut.Category: This is a bug.Call for participation: Medium difficulty. Experience needed to fix: Intermediate.Relevant to the compiler team, which will review and decide on the PR/issue.Relevant to the rustdoc team, which will review and decide on the PR/issue.
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[-]Rustc doesn't emit `missing_doc` warning for documentation on generic parameters[/-][+]Rustc doesn't emit `unused_doc_comment` warning for documentation on generic parameters[/+][-]Rustc doesn't emit `unused_doc_comment` warning for documentation on generic parameters[/-][+]Rustc doesn't emit `unused_doc_comments` warning for documentation on generic parameters[/+]Rollup merge of rust-lang#91397 - jyn514:generic-param-docs, r=wesley…