[clang-tools-extra] [clang-tidy] New bugprone-method-hiding check (PR #154746)

[via cfe-commits]

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+.. title:: clang-tidy - bugprone-method-hiding
+
+bugprone-method-hiding
+=========================
+
+Finds derived class methods that hide a (non-virtual) base class method.
+
+In order to be considered "hiding", methods must have the same signature
+(i.e. the same name, same number of parameters, same parameter types, etc).
+Only checks public, non-templated methods. 
+
+The below example is bugprone because consumers of the `Derived` class will
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t-a-james wrote:

Works fine today - no idea what was wrong yesterday.  Anyway, I've just fixed the documentation build and checked that the text was rendered correctly.

https://github.com/llvm/llvm-project/pull/154746