[clang] [Clang][Parser] Report error when attribute missing ]] followed by ;; (PR #187580)

[Younan Zhang via cfe-commits]

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@@ -4681,13 +4681,6 @@ void Parser::ParseCXX11AttributeSpecifierInternal(ParsedAttributes &Attrs,
       Diag(Tok, diag::err_cxx11_attribute_forbids_ellipsis) << AttrName;
   }
 
-  // If we hit an error and recovered by parsing up to a semicolon, eat the
-  // semicolon and don't issue further diagnostics about missing brackets.
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zyn0217 wrote:

Or maybe we don't have to return on line 4688, can you please try?

https://github.com/llvm/llvm-project/pull/187580