Subzero: Fix target attribute when SZTARGET is defined.

src/IceCompileServer.cpp

 //===- subzero/src/IceCompileServer.cpp - Compile server ------------------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 138 matching lines @@
     {"dump", BuildDefs::dump()},
     {"llvm_cl", BuildDefs::llvmCl()},
     {"llvm_ir", BuildDefs::llvmIr()},
     {"llvm_ir_as_input", BuildDefs::llvmIrAsInput()},
     {"minimal_build", BuildDefs::minimal()},
     {"browser_mode", BuildDefs::browser()}};
 
 /// Dumps values of build attributes to Stream if Stream is non-null.
 void dumpBuildAttributes(Ostream &Str) {
 // List the supported targets.
-#define SUBZERO_TARGET(TARGET) Str << "target_" #TARGET << "\n";
+#define SUBZERO_TARGET(TARGET) Str << "target_" XSTRINGIFY(TARGET) "\n";
 #include "SZTargets.def"
   const char *Prefix[2] = {"no", "allow"};
   for (size_t i = 0; i < llvm::array_lengthof(ConditionalBuildAttributes);
        ++i) {
     const auto &A = ConditionalBuildAttributes[i];
     Str << Prefix[A.FlagValue] << "_" << A.FlagName << "\n";
   }
   Str << "revision_" << getSubzeroRevision() << "\n";
 }
 
@@ skipping 93 matching lines @@
   } else {
     getCompiler().run(Flags, *Ctx.get(), std::move(InputStream));
   }
   transferErrorCode(
       getReturnValue(static_cast<ErrorCodes>(Ctx->getErrorStatus()->value())));
   Ctx->dumpConstantLookupCounts();
   Ctx->dumpStrings();
 }
 
 } // end of namespace Ice