message: temporarily remove isnan intrinsic as it was reverted in LLVM
diff: @@ -819,7 +819,7 @@ public:
  case llvm::Intrinsic::fabs:
  case llvm::Intrinsic::floor:
  case llvm::Intrinsic::is_constant:
  - case llvm::Intrinsic::isnan:
  + //case llvm::Intrinsic::isnan:
  case llvm::Intrinsic::round:
  case llvm::Intrinsic::roundeven:
  case llvm::Intrinsic::sqrt:
  @@ -837,7 +837,7 @@ public:
  case llvm::Intrinsic::fabs: op = UnaryOp::FAbs; break;
  case llvm::Intrinsic::floor: op = UnaryOp::Floor; break;
  case llvm::Intrinsic::is_constant: op = UnaryOp::IsConstant; break;
  - case llvm::Intrinsic::isnan: op = UnaryOp::IsNaN; break;
  + ///case llvm::Intrinsic::isnan: op = UnaryOp::IsNaN; break;
  case llvm::Intrinsic::round: op = UnaryOp::Round; break;
  case llvm::Intrinsic::roundeven: op = UnaryOp::RoundEven; break;
  case llvm::Intrinsic::sqrt: op = UnaryOp::Sqrt; break;
  