Fix the g++ build.

src/IceTargetLoweringX86BaseImpl.h

 //===- subzero/src/IceTargetLoweringX86BaseImpl.h - x86 lowering -*- C++ -*-==//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 1956 matching lines @@
 void TargetX86Base<TraitsType>::lowerBr(const InstBr *Br) {
   if (Br->isUnconditional()) {
     _br(Br->getTargetUnconditional());
     return;
   }
   Operand *Cond = Br->getCondition();
 
   // Handle folding opportunities.
   if (const Inst *Producer = FoldingInfo.getProducerFor(Cond)) {
     assert(Producer->isDeleted());
-    switch (BoolFolding::getProducerKind(Producer)) {
+    switch (BoolFolding<Traits>::getProducerKind(Producer)) {
     default:
       break;
-    case BoolFolding::PK_Icmp32:
-    case BoolFolding::PK_Icmp64: {
+    case BoolFolding<Traits>::PK_Icmp32:
+    case BoolFolding<Traits>::PK_Icmp64: {
       lowerIcmpAndConsumer(llvm::dyn_cast<InstIcmp>(Producer), Br);
       return;
     }
-    case BoolFolding::PK_Fcmp: {
+    case BoolFolding<Traits>::PK_Fcmp: {
       lowerFcmpAndConsumer(llvm::dyn_cast<InstFcmp>(Producer), Br);
       return;
     }
-    case BoolFolding::PK_Arith: {
+    case BoolFolding<Traits>::PK_Arith: {
       lowerArithAndConsumer(llvm::dyn_cast<InstArithmetic>(Producer), Br);
       return;
     }
     }
   }
   Operand *Src0 = legalize(Cond, Legal_Reg | Legal_Mem);
   Constant *Zero = Ctx->getConstantZero(IceType_i32);
   _cmp(Src0, Zero);
   _br(Traits::Cond::Br_ne, Br->getTargetTrue(), Br->getTargetFalse());
 }
@@ skipping 2803 matching lines @@
 
   if (isVectorType(Dest->getType())) {
     lowerSelectVector(Select);
     return;
   }
 
   Operand *Condition = Select->getCondition();
   // Handle folding opportunities.
   if (const Inst *Producer = FoldingInfo.getProducerFor(Condition)) {
     assert(Producer->isDeleted());
-    switch (BoolFolding::getProducerKind(Producer)) {
+    switch (BoolFolding<Traits>::getProducerKind(Producer)) {
     default:
       break;
-    case BoolFolding::PK_Icmp32:
-    case BoolFolding::PK_Icmp64: {
+    case BoolFolding<Traits>::PK_Icmp32:
+    case BoolFolding<Traits>::PK_Icmp64: {
       lowerIcmpAndConsumer(llvm::dyn_cast<InstIcmp>(Producer), Select);
       return;
     }
-    case BoolFolding::PK_Fcmp: {
+    case BoolFolding<Traits>::PK_Fcmp: {
       lowerFcmpAndConsumer(llvm::dyn_cast<InstFcmp>(Producer), Select);
       return;
     }
     }
   }
 
   Operand *CmpResult = legalize(Condition, Legal_Reg | Legal_Mem);
   Operand *Zero = Ctx->getConstantZero(IceType_i32);
   _cmp(CmpResult, Zero);
   Operand *SrcT = Select->getTrueOperand();
@@ skipping 1723 matching lines @@
   }
   // the offset is not eligible for blinding or pooling, return the original
   // mem operand
   return MemOperand;
 }
 
 } // end of namespace X86NAMESPACE
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICETARGETLOWERINGX86BASEIMPL_H