Silence duplicate diagnostics because parsing of a standards-based attribute triggers parsing diagnostics that may also be picked up during semantic analysis.

llvm-svn: 262960

1 files changed, 2 insertions, 0 deletions

diff --git a/clang/lib/Parse/ParseDeclCXX.cpp b/clang/lib/Parse/ParseDeclCXX.cpp
index 15aded52b45..354e405875b 100644
--- a/clang/lib/Parse/ParseDeclCXX.cpp
+++ b/clang/lib/Parse/ParseDeclCXX.cpp
@@ -3695,6 +3695,7 @@ bool Parser::ParseCXX11AttributeArgs(IdentifierInfo *AttrName,
         // The attribute was allowed to have arguments, but none were provided
         // even though the attribute parsed successfully. This is an error.
         Diag(LParenLoc, diag::err_attribute_requires_arguments) << AttrName;
+        Attr->setInvalid(true);
       } else if (!Attr->getMaxArgs()) {
         // The attribute parsed successfully, but was not allowed to have any
         // arguments. It doesn't matter whether any were provided -- the
@@ -3702,6 +3703,7 @@ bool Parser::ParseCXX11AttributeArgs(IdentifierInfo *AttrName,
         Diag(LParenLoc, diag::err_cxx11_attribute_forbids_arguments)
             << AttrName
             << FixItHint::CreateRemoval(SourceRange(LParenLoc, *EndLoc));
+        Attr->setInvalid(true);
       }
     }
   }