[clang] [Clang] CWG2749: relational operators involving pointers to void (PR #93046)

[Vlad Serebrennikov via cfe-commits]

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@@ -1,11 +1,23 @@
-// RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++98 -verify=expected %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++98 -Wgnu-folding-constant -verify=expected %s
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Endilll wrote:

I hope `-Wgnu-folding-constant` is not going to be needed after you apply other suggestions. Even if it's needed, this has to be handled some other way, not with an additional flag.

https://github.com/llvm/llvm-project/pull/93046