[clang] [Clang][Sema] Diagnose friend declarations with enum elaborated-type-specifier in all language modes (PR #80171)

Krystian Stasiowski via cfe-commits cfe-commits at lists.llvm.org
Wed Feb 7 11:36:02 PST 2024


================
@@ -1637,10 +1637,8 @@ def err_inline_namespace_std : Error<
 def err_unexpected_friend : Error<
   "friends can only be classes or functions">;
 def ext_enum_friend : ExtWarn<
-  "befriending enumeration type %0 is a C++11 extension">, InGroup<CXX11>;
-def warn_cxx98_compat_enum_friend : Warning<
-  "befriending enumeration type %0 is incompatible with C++98">,
-  InGroup<CXX98Compat>, DefaultIgnore;
+  "elaborated enumeration type cannot be a friend">,
----------------
sdkrystian wrote:

Added a fixit. Since everyone seems to be learning towards "elaborated enum specifier", would everyone be happy with "elaborated enum specifier cannot be declared as friend"?

https://github.com/llvm/llvm-project/pull/80171


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