diff --git a/flang/lib/Lower/OpenMP.cpp b/flang/lib/Lower/OpenMP.cpp
--- a/flang/lib/Lower/OpenMP.cpp
+++ b/flang/lib/Lower/OpenMP.cpp
@@ -1965,14 +1965,18 @@
         dependOperands.push_back(((variable)));
       }
     } else {
-      TODO(converter.getCurrentLocation(), "OpenMP Block construct clause");
+      TODO(clauseLocation, "OpenMP Block construct clause");
     }
   }
 
   for (const auto &clause :
        std::get<Fortran::parser::OmpClauseList>(endBlockDirective.t).v) {
-    if (std::get_if<Fortran::parser::OmpClause::Nowait>(&clause.u))
+    mlir::Location clauseLocation = converter.genLocation(clause.source);
+    if (std::get_if<Fortran::parser::OmpClause::Nowait>(&clause.u)) {
       nowaitAttr = firOpBuilder.getUnitAttr();
+    } else {
+      TODO(clauseLocation, "OpenMP Block construct clause");
+    }
   }
 
   if (blockDirective.v == llvm::omp::OMPD_parallel) {
diff --git a/flang/test/Lower/OpenMP/Todo/copyprivate.f90 b/flang/test/Lower/OpenMP/Todo/copyprivate.f90
new file mode 100644
--- /dev/null
+++ b/flang/test/Lower/OpenMP/Todo/copyprivate.f90
@@ -0,0 +1,13 @@
+! RUN: %not_todo_cmd bbc -emit-fir -fopenmp -o - %s 2>&1 | FileCheck %s
+! RUN: %not_todo_cmd %flang_fc1 -emit-fir -fopenmp -o - %s 2>&1 | FileCheck %s
+
+! CHECK: not yet implemented: OpenMP Block construct clause
+subroutine sb
+  integer, save :: a
+  !$omp threadprivate(a)
+  !$omp parallel
+  !$omp single
+  a = 3
+  !$omp end single copyprivate(a)
+  !$omp end parallel
+end subroutine