[clang-tools-extra] [clang-tidy] Add check readability-return-expression-in-void-function (PR #76249)

[Piotr Zegar via cfe-commits]

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In-Reply-To: <llvm.org/llvm/llvm-project/pull/76249 at github.com>


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@@ -0,0 +1,30 @@
+.. title:: clang-tidy - readability-avoid-return-with-void-value
+
+readability-avoid-return-with-void-value
+========================================
+
+Complains about statements returning expressions of type ``void``. It can be
+confusing if a function returns an expression even though its return type is
+``void``.
+
----------------
PiotrZSL wrote:

Add info that in "C" those issues are detected by -Wpedantic warning.
`warning: void function 'f' should not return void expression [-Wpedantic]`

https://github.com/llvm/llvm-project/pull/76249