[clang] [Clang] add wraps and no_wraps attributes (PR #115094)

[Erich Keane via cfe-commits]

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@@ -6664,6 +6664,13 @@ def err_builtin_counted_by_ref_invalid_lhs_use : Error<
 def err_builtin_counted_by_ref_has_side_effects : Error<
   "'__builtin_counted_by_ref' argument cannot have side-effects">;
 
+def warn_wraps_attr_var_decl_type_not_integer : Warning<
+  "using attribute '%select{wraps|no_wraps}0' with non-integer type '%1' has no function and is potentially misleading">,
+  InGroup<UselessWrapsAttr>;
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erichkeane wrote:

Phrasing on this isn't great, the diagnostic could be worded more consistently.  Bikesheds welcome.

https://github.com/llvm/llvm-project/pull/115094