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

runtime/vm/intermediate_language_arm64.cc

Index: runtime/vm/intermediate_language_arm64.cc
diff --git a/runtime/vm/intermediate_language_arm64.cc b/runtime/vm/intermediate_language_arm64.cc
index 264dec03df0c6413c3decebd5cb9eaa9a6f48090..fe32ee0ee769fc951a981541a9492210920720a8 100644
--- a/runtime/vm/intermediate_language_arm64.cc
+++ b/runtime/vm/intermediate_language_arm64.cc
@@ -3106,7 +3106,7 @@ void UnboxDoubleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
     __ SmiUntag(TMP, value);  // Untag input before conversion.
     __ scvtfdx(result, TMP);
   } else {
-    Label* deopt = compiler->AddDeoptStub(deopt_id_,
+    Label* deopt = compiler->AddDeoptStub(GetDeoptId(),
                                           ICData::kDeoptBinaryDoubleOp);
     if (value_type->is_nullable() &&
         (value_type->ToNullableCid() == kDoubleCid)) {
@@ -3173,7 +3173,8 @@ void UnboxFloat32x4Instr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister result = locs()->out(0).fpu_reg();
 
   if (value_cid != kFloat32x4Cid) {
-    Label* deopt = compiler->AddDeoptStub(deopt_id_, ICData::kDeoptCheckClass);
+    Label* deopt =
+        compiler->AddDeoptStub(GetDeoptId(), ICData::kDeoptCheckClass);
     __ tsti(value, Immediate(kSmiTagMask));
     __ b(deopt, EQ);
     __ CompareClassId(value, kFloat32x4Cid, PP);
@@ -3226,7 +3227,8 @@ void UnboxFloat64x2Instr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister result = locs()->out(0).fpu_reg();
 
   if (value_cid != kFloat64x2Cid) {
-    Label* deopt = compiler->AddDeoptStub(deopt_id_, ICData::kDeoptCheckClass);
+    Label* deopt =
+        compiler->AddDeoptStub(GetDeoptId(), ICData::kDeoptCheckClass);
     __ tsti(value, Immediate(kSmiTagMask));
     __ b(deopt, EQ);
     __ CompareClassId(value, kFloat64x2Cid, PP);
@@ -3278,7 +3280,8 @@ void UnboxInt32x4Instr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister result = locs()->out(0).fpu_reg();
 
   if (value_cid != kInt32x4Cid) {
-    Label* deopt = compiler->AddDeoptStub(deopt_id_, ICData::kDeoptCheckClass);
+    Label* deopt =
+        compiler->AddDeoptStub(GetDeoptId(), ICData::kDeoptCheckClass);
     __ tsti(value, Immediate(kSmiTagMask));
     __ b(deopt, EQ);
     __ CompareClassId(value, kInt32x4Cid, PP);
@@ -5287,7 +5290,7 @@ void UnboxIntNInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register out = locs()->out(0).reg();
   const Register value = locs()->in(0).reg();
   Label* deopt = CanDeoptimize() ?
-      compiler->AddDeoptStub(deopt_id_, ICData::kDeoptUnboxInteger) : NULL;
+      compiler->AddDeoptStub(GetDeoptId(), ICData::kDeoptUnboxInteger) : NULL;
 
   if (value_cid == kSmiCid) {
     __ SmiUntag(out, value);