[turbofan] introduce Int32/64AbsWithOverflow optional operator

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 f249a3ac765ac23a204d441cd30b39a17db8ec67..4850ca0cb87c42b2b2df7e86871d02c02994ed99 100644
--- a/src/compiler/arm64/instruction-selector-arm64.cc
+++ b/src/compiler/arm64/instruction-selector-arm64.cc
@@ -2782,6 +2782,14 @@ void InstructionSelector::VisitAtomicCompareExchange(Node* node) {
   Emit(code, 1, outputs, input_count, inputs, 2, temp);
 }
 
+void InstructionSelector::VisitInt32AbsWithOverflow(Node* node) {
+  UNREACHABLE();
+}
+
+void InstructionSelector::VisitInt64AbsWithOverflow(Node* node) {
+  UNREACHABLE();
+}
+
 // static
 MachineOperatorBuilder::Flags
 InstructionSelector::SupportedMachineOperatorFlags() {