Subzero: Fix g++ warnings.

src/IceGlobalInits.h

 //===- subzero/src/IceGlobalInits.h - Global declarations -------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
 /// \brief Declares the representation of function declarations, global variable
 /// declarations, and the corresponding variable initializers in Subzero.
 ///
 /// Global variable initializers are represented as a sequence of simple
 /// initializers.
 ///
 //===----------------------------------------------------------------------===//
 
 #ifndef SUBZERO_SRC_ICEGLOBALINITS_H
 #define SUBZERO_SRC_ICEGLOBALINITS_H
 
 #include "IceDefs.h"
 #include "IceGlobalContext.h"
 #include "IceTypes.h"
 
+#ifdef __clang__
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wunused-parameter"
 #pragma clang diagnostic ignored "-Wredundant-move"
+#endif // __clang__
+
 #include "llvm/Bitcode/NaCl/NaClBitcodeParser.h" // for NaClBitcodeRecord.
 #include "llvm/IR/CallingConv.h"
 #include "llvm/IR/GlobalValue.h" // for GlobalValue::LinkageTypes.
+
+#ifdef __clang__
 #pragma clang diagnostic pop
+#endif // __clang__
 
 #include <memory>
 #include <utility>
 
 // TODO(kschimpf): Remove ourselves from using LLVM representation for calling
 // conventions and linkage types.
 
 namespace Ice {
 
 /// Base class for global variable and function declarations.
@@ skipping 352 matching lines @@
 template <class StreamType>
 inline StreamType &operator<<(StreamType &Stream,
                               const GlobalDeclaration &Addr) {
   Addr.dump(Stream);
   return Stream;
 }
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEGLOBALINITS_H