diff --git a/clang/lib/CodeGen/CGOpenMPRuntime.cpp b/clang/lib/CodeGen/CGOpenMPRuntime.cpp
index a538087..fda8dbe 100644
--- a/clang/lib/CodeGen/CGOpenMPRuntime.cpp
+++ b/clang/lib/CodeGen/CGOpenMPRuntime.cpp
@@ -32,6 +32,7 @@
 
 using namespace clang;
 using namespace CodeGen;
+using namespace llvm::omp;
 
 namespace {
 /// Base class for handling code generation inside OpenMP regions.