Re-apply patch r279045.

llvm-svn: 285066
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index a63cce6..2782f4b 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -2526,6 +2526,8 @@
       const OMPTargetParallelForSimdDirective &S);
   void EmitOMPTargetSimdDirective(const OMPTargetSimdDirective &S);
   void EmitOMPTeamsDistributeDirective(const OMPTeamsDistributeDirective &S);
+  void
+  EmitOMPTeamsDistributeSimdDirective(const OMPTeamsDistributeSimdDirective &S);
 
   /// Emit outlined function for the target directive.
   static std::pair<llvm::Function * /*OutlinedFn*/,