[turbofan] Change TruncateFloat64ToUint64 to TryTruncateFloatToUint64.

src/compiler/arm64/code-generator-arm64.cc

Index: src/compiler/arm64/code-generator-arm64.cc
diff --git a/src/compiler/arm64/code-generator-arm64.cc b/src/compiler/arm64/code-generator-arm64.cc
index 43907951896b6d640c1d041a16320d026dc01890..330ad2bdf99012470a227c6213f04db20a130297 100644
--- a/src/compiler/arm64/code-generator-arm64.cc
+++ b/src/compiler/arm64/code-generator-arm64.cc
@@ -1052,6 +1052,11 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
       break;
     case kArm64Float64ToUint64:
       __ Fcvtzu(i.OutputRegister64(), i.InputDoubleRegister(0));
+      if (i.OutputCount() > 1) {
+        __ Fcmp(i.InputDoubleRegister(0), 0.0);
+        __ Ccmp(i.OutputRegister(0), -1, ZFlag, ge);
+        __ Cset(i.OutputRegister(1), ne);
+      }
       break;
     case kArm64Int32ToFloat64:
       __ Scvtf(i.OutputDoubleRegister(), i.InputRegister32(0));