IR cleanup: pass deopt id as constructor argument instead of doing deopt_id_ assignment.

runtime/vm/il_printer.cc

Index: runtime/vm/il_printer.cc
diff --git a/runtime/vm/il_printer.cc b/runtime/vm/il_printer.cc
index e9eea97c1bb91a3f9b0dd57c04f97c0c674475c2..5a34fccb304b116ad227c7a1c78fbe5bbc5a99e0 100644
--- a/runtime/vm/il_printer.cc
+++ b/runtime/vm/il_printer.cc
@@ -662,11 +662,6 @@ void Simd32x4GetSignMaskInstr::PrintOperandsTo(BufferFormatter* f) const {
 }
 
 
-void Float32x4ZeroInstr::PrintOperandsTo(BufferFormatter* f) const {
-  f->Print("ZERO ");
-}
-
-
 void Float32x4SplatInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("SPLAT ");
   value()->PrintTo(f);
@@ -750,11 +745,6 @@ void Simd64x2ShuffleInstr::PrintOperandsTo(BufferFormatter* f) const {
 }
 
 
-void Float64x2ZeroInstr::PrintOperandsTo(BufferFormatter* f) const {
-  f->Print("Float64x2.zero ");
-}
-
-
 void Float64x2SplatInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("Float64x2.splat ");
   value()->PrintTo(f);