[turbofan] Make Float32Neg and Float64Neg mandatory operators.

test/unittests/compiler/arm/instruction-selector-arm-unittest.cc

Index: test/unittests/compiler/arm/instruction-selector-arm-unittest.cc
diff --git a/test/unittests/compiler/arm/instruction-selector-arm-unittest.cc b/test/unittests/compiler/arm/instruction-selector-arm-unittest.cc
index ac6e9a983d5b66bebd73401271faa3722ffc98b7..5992bcfc3b14af2bea2e0d89c557f1ad7ab4db2b 100644
--- a/test/unittests/compiler/arm/instruction-selector-arm-unittest.cc
+++ b/test/unittests/compiler/arm/instruction-selector-arm-unittest.cc
@@ -3269,7 +3269,7 @@ TEST_F(InstructionSelectorTest, Float32Neg) {
   StreamBuilder m(this, MachineType::Float32(), MachineType::Float32());
   Node* const p0 = m.Parameter(0);
   // Don't use m.Float32Neg() as that generates an explicit sub.
-  Node* const n = m.AddNode(m.machine()->Float32Neg().op(), m.Parameter(0));
+  Node* const n = m.AddNode(m.machine()->Float32Neg(), m.Parameter(0));
   m.Return(n);
   Stream s = m.Build();
   ASSERT_EQ(1U, s.size());
@@ -3284,7 +3284,7 @@ TEST_F(InstructionSelectorTest, Float64Neg) {
   StreamBuilder m(this, MachineType::Float64(), MachineType::Float64());
   Node* const p0 = m.Parameter(0);
   // Don't use m.Float64Neg() as that generates an explicit sub.
-  Node* const n = m.AddNode(m.machine()->Float64Neg().op(), m.Parameter(0));
+  Node* const n = m.AddNode(m.machine()->Float64Neg(), m.Parameter(0));
   m.Return(n);
   Stream s = m.Build();
   ASSERT_EQ(1U, s.size());