[clang] Add new flag -Wpointer-integer-ordered-compare (PR #88489)

[via cfe-commits]

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@@ -245,6 +245,13 @@ Modified Compiler Flags
        f3 *c = (f3 *)x;
      }
 
+- Added a new diagnostic flag ``-Wpointer-integer-ordered-compare`` which is
+  grouped under ``-Wpointer-integer-compare`` and moved previously
+  ungrouped diagnostics ``ext_typecheck_ordered_comparison_of_pointer_integer``,
+  ``ext_typecheck_ordered_comparison_of_pointer_and_zero`` under
+  ``-Wpointer-integer-ordered-compare``.This also resolves false negative
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vincent-mailhol wrote:

Nitpick: put a space after the period.
```suggestion
  ``-Wpointer-integer-ordered-compare``. This also resolves false negative
```

https://github.com/llvm/llvm-project/pull/88489