[clang] More fixes for P3144R2 implementation (PR #149406)

[Corentin Jabot via cfe-commits]

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@@ -8392,17 +8392,19 @@ def ext_default_init_const : ExtWarn<
   "is a Microsoft extension">,
   InGroup<MicrosoftConstInit>;
 def err_delete_operand : Error<"cannot delete expression of type %0">;
+def err_delete_void_ptr_operand : Error<
+  "cannot delete expression with pointer-to-'void' type %0">;
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cor3ntin wrote:

It would be more consistent to say type 'void*'
There are just a couple of diagnostics mentioning "pointer to void" - but we never say pointer-to-void, let alone "pointer-to-'void' - that way it can be merged with `err_delete_incomplete ie `{|class}` or `{|class|union}` (see below)

https://github.com/llvm/llvm-project/pull/149406