diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 793337c..bdb8bba 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -7030,6 +7030,19 @@
     }
   }
 
+  if (getLangOpts().OpenCL) {
+    // OpenCL v1.1 s6.5: Using an address space qualifier in a function return
+    // type declaration will generate a compilation error.
+    unsigned AddressSpace = RetType.getAddressSpace();
+    if (AddressSpace == LangAS::opencl_local ||
+        AddressSpace == LangAS::opencl_global ||
+        AddressSpace == LangAS::opencl_constant) {
+      Diag(NewFD->getLocation(),
+           diag::err_opencl_return_value_with_address_space);
+      NewFD->setInvalidDecl();
+    }
+  }
+
   if (!getLangOpts().CPlusPlus) {
     // Perform semantic checking on the function declaration.
     bool isExplicitSpecialization=false;