[turbofan] Changed TruncateFloat64ToInt64 to TryTruncateFloat64ToInt64.

src/compiler/arm64/instruction-selector-arm64.cc

Index: src/compiler/arm64/instruction-selector-arm64.cc
diff --git a/src/compiler/arm64/instruction-selector-arm64.cc b/src/compiler/arm64/instruction-selector-arm64.cc
index ce16050e1c3b210da19279aba93a6e80fb921753..7aa8254fac41952188c1b798a2fdad7510599885 100644
--- a/src/compiler/arm64/instruction-selector-arm64.cc
+++ b/src/compiler/arm64/instruction-selector-arm64.cc
@@ -1242,8 +1242,20 @@ void InstructionSelector::VisitTruncateFloat32ToInt64(Node* node) {
 }
 
 
-void InstructionSelector::VisitTruncateFloat64ToInt64(Node* node) {
-  VisitRR(this, kArm64Float64ToInt64, node);
+void InstructionSelector::VisitTryTruncateFloat64ToInt64(Node* node) {
+  Arm64OperandGenerator g(this);
+
+  InstructionOperand inputs[] = {g.UseRegister(node->InputAt(0))};
+  InstructionOperand outputs[2];
+  size_t output_count = 0;
+  outputs[output_count++] = g.DefineAsRegister(node);
+
+  Node* success_output = NodeProperties::FindProjection(node, 1);
+  if (success_output) {
+    outputs[output_count++] = g.DefineAsRegister(success_output);
+  }
+
+  Emit(kArm64Float64ToInt64, output_count, outputs, 1, inputs);
 }