Revert r295319 while investigating buildbot failure.

llvm-svn: 295323
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index b830df7..098767e 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -2638,9 +2638,7 @@
   /// the end of the directive.
   ///
   /// \param D Directive that has at least one 'reduction' directives.
-  /// \param ReductionKind The kind of reduction to perform.
-  void EmitOMPReductionClauseFinal(const OMPExecutableDirective &D,
-                                   const OpenMPDirectiveKind ReductionKind);
+  void EmitOMPReductionClauseFinal(const OMPExecutableDirective &D);
   /// \brief Emit initial code for linear variables. Creates private copies
   /// and initializes them with the values according to OpenMP standard.
   ///