[clang] [clang] Add support for `__ptrauth` being applied to integer types (PR #137580)

[Oliver Hunt via cfe-commits]

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@@ -1031,10 +1031,12 @@ def err_ptrauth_qualifier_invalid : Error<
   "%select{return type|parameter type|property}1 may not be qualified with '__ptrauth'; type is %0">;
 def err_ptrauth_qualifier_cast : Error<
   "cannot cast to '__ptrauth'-qualified type %0">;
-def err_ptrauth_qualifier_nonpointer : Error<
-  "'__ptrauth' qualifier only applies to pointer types; %0 is invalid">;
-def err_ptrauth_qualifier_redundant : Error<
-  "type %0 is already %1-qualified">;
+def err_ptrauth_qualifier_invalid_target
+    : Error<"'__ptrauth' qualifier only applies to pointer or pointer sized "
+            "integer"
+            " types; %0 is invalid">;
+def err_ptrauth_qualifier_redundant
+    : Error<"type %0 is already __ptrauth-qualified">;
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ojhunt wrote:

yeah I find the 80col breaks especially irksome in diagnostics, but also if we went to my preferred limit of 120 they'd be annoying to break :D

https://github.com/llvm/llvm-project/pull/137580