diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp
--- a/clang/lib/Sema/SemaOpenMP.cpp
+++ b/clang/lib/Sema/SemaOpenMP.cpp
@@ -10754,7 +10754,6 @@
   bool checkBinaryOperation(BinaryOperator *AtomicBinOp, unsigned DiagId = 0,
                             unsigned NoteId = 0);
 };
-} // namespace
 
 bool OpenMPAtomicUpdateChecker::checkBinaryOperation(
     BinaryOperator *AtomicBinOp, unsigned DiagId, unsigned NoteId) {
@@ -10915,6 +10914,7 @@
   }
   return ErrorFound != NoError;
 }
+} // namespace
 
 StmtResult Sema::ActOnOpenMPAtomicDirective(ArrayRef<OMPClause *> Clauses,
                                             Stmt *AStmt,