diff --git a/flang/lib/Semantics/resolve-names.cpp b/flang/lib/Semantics/resolve-names.cpp
--- a/flang/lib/Semantics/resolve-names.cpp
+++ b/flang/lib/Semantics/resolve-names.cpp
@@ -1375,6 +1375,14 @@
 
   static bool NeedsScope(const parser::OpenMPBlockConstruct &);
 
+  bool Pre(const parser::OpenMPRequiresConstruct &x) {
+    AddOmpSourceRange(x.source);
+    return true;
+  }
+  bool Pre(const parser::OmpSimpleStandaloneDirective &x) {
+    AddOmpSourceRange(x.source);
+    return true;
+  }
   bool Pre(const parser::OpenMPBlockConstruct &);
   void Post(const parser::OpenMPBlockConstruct &);
   bool Pre(const parser::OmpBeginBlockDirective &x) {
diff --git a/flang/test/Semantics/OpenMP/barrier.f90 b/flang/test/Semantics/OpenMP/barrier.f90
new file mode 100644
--- /dev/null
+++ b/flang/test/Semantics/OpenMP/barrier.f90
@@ -0,0 +1,4 @@
+! RUN: %python %S/../test_errors.py %s %flang -fopenmp
+
+!$omp barrier
+end
diff --git a/flang/test/Semantics/OpenMP/requires.f90 b/flang/test/Semantics/OpenMP/requires.f90
new file mode 100644
--- /dev/null
+++ b/flang/test/Semantics/OpenMP/requires.f90
@@ -0,0 +1,4 @@
+! RUN: %python %S/../test_errors.py %s %flang -fopenmp
+
+!$omp requires reverse_offload
+end
diff --git a/flang/test/Semantics/OpenMP/taskwait.f90 b/flang/test/Semantics/OpenMP/taskwait.f90
new file mode 100644
--- /dev/null
+++ b/flang/test/Semantics/OpenMP/taskwait.f90
@@ -0,0 +1,4 @@
+! RUN: %python %S/../test_errors.py %s %flang -fopenmp
+
+!$omp taskwait
+end