- Reduce the number of Isolate::Current() calls.

runtime/vm/intermediate_language_arm.cc

Index: runtime/vm/intermediate_language_arm.cc
===================================================================
--- runtime/vm/intermediate_language_arm.cc	(revision 36483)
+++ runtime/vm/intermediate_language_arm.cc	(working copy)
@@ -39,7 +39,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps= 0;
   LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_in(0, Location::AnyOrConstant(value()));
   return locs;
 }
@@ -68,7 +68,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_in(0, Location::RegisterLocation(R0));
   return locs;
 }
@@ -186,7 +186,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   summary->set_in(0, Location::RegisterLocation(R0));  // Function.
   summary->set_out(0, Location::RegisterLocation(R0));
   return summary;
@@ -280,7 +280,7 @@
   const intptr_t kNumInputs = 0;
   const intptr_t kNumTemps = 1;
   LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_out(0, Location::RequiresFpuRegister());
   locs->set_temp(0, Location::RequiresRegister());
   return locs;
@@ -307,7 +307,7 @@
   const intptr_t kNumInputs = 3;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   summary->set_in(0, Location::RegisterLocation(R0));  // Value.
   summary->set_in(1, Location::RegisterLocation(R2));  // Instantiator.
   summary->set_in(2, Location::RegisterLocation(R1));  // Type arguments.
@@ -320,7 +320,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   locs->set_in(0, Location::RegisterLocation(R0));
   locs->set_out(0, Location::RegisterLocation(R0));
   return locs;
@@ -382,7 +382,7 @@
   if (operation_cid() == kMintCid) {
     const intptr_t kNumTemps = 0;
     LocationSummary* locs =
-        new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+        new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
     locs->set_in(0, Location::Pair(Location::RequiresRegister(),
                                    Location::RequiresRegister()));
     locs->set_in(1, Location::Pair(Location::RequiresRegister(),
@@ -393,7 +393,7 @@
   if (operation_cid() == kDoubleCid) {
     const intptr_t kNumTemps = 0;
     LocationSummary* locs =
-        new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+        new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
     locs->set_in(0, Location::RequiresFpuRegister());
     locs->set_in(1, Location::RequiresFpuRegister());
     locs->set_out(0, Location::RequiresRegister());
@@ -402,7 +402,7 @@
   if (operation_cid() == kSmiCid) {
     const intptr_t kNumTemps = 0;
     LocationSummary* locs =
-        new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+        new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
     locs->set_in(0, Location::RegisterOrConstant(left()));
     // Only one input can be a constant operand. The case of two constant
     // operands should be handled by constant propagation.
@@ -664,7 +664,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_in(0, Location::RequiresRegister());
   // Only one input can be a constant operand. The case of two constant
   // operands should be handled by constant propagation.
@@ -708,7 +708,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
   LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_in(0, Location::RequiresRegister());
   locs->set_temp(0, Location::RequiresRegister());
   locs->set_out(0, Location::RequiresRegister());
@@ -782,7 +782,7 @@
   if (operation_cid() == kMintCid) {
     const intptr_t kNumTemps = 1;
     LocationSummary* locs =
-        new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+        new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
     locs->set_in(0, Location::Pair(Location::RequiresRegister(),
                                    Location::RequiresRegister()));
     locs->set_in(1, Location::Pair(Location::RequiresRegister(),
@@ -793,7 +793,7 @@
   }
   if (operation_cid() == kDoubleCid) {
     LocationSummary* summary =
-        new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+        new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
     summary->set_in(0, Location::RequiresFpuRegister());
     summary->set_in(1, Location::RequiresFpuRegister());
     summary->set_out(0, Location::RequiresRegister());
@@ -801,7 +801,7 @@
   }
   ASSERT(operation_cid() == kSmiCid);
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RegisterOrConstant(left()));
   // Only one input can be a constant operand. The case of two constant
   // operands should be handled by constant propagation.
@@ -878,7 +878,7 @@
   const intptr_t kNumInputs = 0;
   const intptr_t kNumTemps = 3;
   LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   locs->set_temp(0, Location::RegisterLocation(R1));
   locs->set_temp(1, Location::RegisterLocation(R2));
   locs->set_temp(2, Location::RegisterLocation(R5));
@@ -978,7 +978,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   summary->set_in(0, Location::RegisterLocation(R0));
   summary->set_out(0, Location::RegisterLocation(R0));
   return summary;
@@ -1119,7 +1119,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_in(0, Location::RequiresRegister());
   // The smi index is either untagged (element size == 1), or it is left smi
   // tagged (for all element sizes > 1).
@@ -1363,7 +1363,7 @@
   const intptr_t kNumInputs = 3;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_in(0, Location::RequiresRegister());
   // The smi index is either untagged (element size == 1), or it is left smi
   // tagged (for all element sizes > 1).
@@ -1596,7 +1596,7 @@
 LocationSummary* GuardFieldInstr::MakeLocationSummary(bool opt) const {
   const intptr_t kNumInputs = 1;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, 0, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, 0, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   const bool field_has_length = field().needs_length_check();
   summary->AddTemp(Location::RequiresRegister());
@@ -1951,7 +1951,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps,
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps,
           !field().IsNull() &&
           ((field().guarded_cid() == kIllegalCid) || is_initialization_)
           ? LocationSummary::kCallOnSlowPath
@@ -2192,7 +2192,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   summary->set_out(0, Location::RequiresRegister());
   return summary;
@@ -2213,7 +2213,7 @@
 
 
 LocationSummary* StoreStaticFieldInstr::MakeLocationSummary(bool opt) const {
-  LocationSummary* locs = new LocationSummary(1, 1, LocationSummary::kNoCall);
+  LocationSummary* locs = new (isolate) LocationSummary(isolate, 1, 1, LocationSummary::kNoCall);
   locs->set_in(0, value()->NeedsStoreBuffer() ? Location::WritableRegister()
                                               : Location::RequiresRegister());
   locs->set_temp(0, Location::RequiresRegister());
@@ -2240,7 +2240,7 @@
   const intptr_t kNumInputs = 3;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   summary->set_in(0, Location::RegisterLocation(R0));
   summary->set_in(1, Location::RegisterLocation(R2));
   summary->set_in(2, Location::RegisterLocation(R1));
@@ -2267,7 +2267,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   locs->set_in(kElementTypePos, Location::RegisterLocation(R1));
   locs->set_in(kLengthPos, Location::RegisterLocation(R2));
   locs->set_out(0, Location::RegisterLocation(R0));
@@ -2487,7 +2487,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs =
-      new LocationSummary(
+      new (isolate) LocationSummary(isolate, 
           kNumInputs, kNumTemps,
           (opt && !IsPotentialUnboxedLoad())
           ? LocationSummary::kNoCall
@@ -2635,7 +2635,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   locs->set_in(0, Location::RegisterLocation(R0));
   locs->set_out(0, Location::RegisterLocation(R0));
   return locs;
@@ -2667,7 +2667,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   locs->set_in(0, Location::RegisterLocation(R0));
   locs->set_out(0, Location::RegisterLocation(R0));
   return locs;
@@ -2735,7 +2735,7 @@
   const intptr_t kNumInputs = 0;
   const intptr_t kNumTemps = 1;
   LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   locs->set_temp(0, Location::RegisterLocation(R1));
   locs->set_out(0, Location::RegisterLocation(R0));
   return locs;
@@ -2760,7 +2760,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   locs->set_in(0, Location::RegisterLocation(R0));
   locs->set_out(0, Location::RegisterLocation(R0));
   return locs;
@@ -2824,7 +2824,7 @@
   const intptr_t kNumInputs = 0;
   const intptr_t kNumTemps = 1;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs,
+      new (isolate) LocationSummary(isolate, kNumInputs,
                           kNumTemps,
                           LocationSummary::kCallOnSlowPath);
   summary->set_temp(0, Location::RequiresRegister());
@@ -3026,7 +3026,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   if (op_kind() == Token::kTRUNCDIV) {
     summary->set_in(0, Location::RequiresRegister());
     if (RightIsPowerOfTwoConstant()) {
@@ -3394,7 +3394,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-    new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+    new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   summary->set_in(1, Location::RequiresRegister());
   return summary;
@@ -3426,7 +3426,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs,
+      new (isolate) LocationSummary(isolate, kNumInputs,
                           kNumTemps,
                           LocationSummary::kCallOnSlowPath);
   summary->set_in(0, Location::RequiresFpuRegister());
@@ -3459,7 +3459,7 @@
   const bool needs_writable_input = (value_cid == kSmiCid);
   const intptr_t kNumTemps = needs_temp ? 1 : 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, needs_writable_input
                      ? Location::WritableRegister()
                      : Location::RequiresRegister());
@@ -3516,7 +3516,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs,
+      new (isolate) LocationSummary(isolate, kNumInputs,
                           kNumTemps,
                           LocationSummary::kCallOnSlowPath);
   summary->set_in(0, Location::RequiresFpuRegister());
@@ -3550,7 +3550,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = value_cid == kFloat32x4Cid ? 0 : 1;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   if (kNumTemps > 0) {
     ASSERT(kNumTemps == 1);
@@ -3585,7 +3585,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs,
+      new (isolate) LocationSummary(isolate, kNumInputs,
                           kNumTemps,
                           LocationSummary::kCallOnSlowPath);
   summary->set_in(0, Location::RequiresFpuRegister());
@@ -3619,7 +3619,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = value_cid == kFloat64x2Cid ? 0 : 1;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   if (kNumTemps > 0) {
     ASSERT(kNumTemps == 1);
@@ -3654,7 +3654,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs,
+      new (isolate) LocationSummary(isolate, kNumInputs,
                           kNumTemps,
                           LocationSummary::kCallOnSlowPath);
   summary->set_in(0, Location::RequiresFpuRegister());
@@ -3719,7 +3719,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = value_cid == kInt32x4Cid ? 0 : 1;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   if (kNumTemps > 0) {
     ASSERT(kNumTemps == 1);
@@ -3754,7 +3754,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
@@ -3780,7 +3780,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
@@ -3807,7 +3807,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
@@ -3855,7 +3855,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   // Low (< Q7) Q registers are needed for the vcvtds and vmovs instructions.
   summary->set_in(0, Location::FpuRegisterLocation(Q5));
   summary->set_out(0, Location::FpuRegisterLocation(Q6));
@@ -3935,7 +3935,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   // Low (< Q7) Q registers are needed for the vcvtds and vmovs instructions.
   summary->set_in(0, Location::FpuRegisterLocation(Q4));
   summary->set_in(1, Location::FpuRegisterLocation(Q5));
@@ -3991,7 +3991,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::FpuRegisterLocation(Q5));
   summary->set_temp(0, Location::RequiresRegister());
   summary->set_out(0, Location::RequiresRegister());
@@ -4032,7 +4032,7 @@
   const intptr_t kNumInputs = 4;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_in(2, Location::RequiresFpuRegister());
@@ -4064,7 +4064,7 @@
   const intptr_t kNumInputs = 0;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
@@ -4080,7 +4080,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
@@ -4105,7 +4105,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
@@ -4149,7 +4149,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
@@ -4178,7 +4178,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   summary->set_temp(0, Location::RequiresFpuRegister());
@@ -4210,7 +4210,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
@@ -4238,7 +4238,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
@@ -4265,7 +4265,7 @@
   const intptr_t kNumInputs = 3;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_in(2, Location::RequiresFpuRegister());
@@ -4288,7 +4288,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   // Low (< 7) Q registers are needed for the vmovs instruction.
@@ -4336,7 +4336,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
@@ -4357,7 +4357,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
@@ -4390,7 +4390,7 @@
   const intptr_t kNumInputs = 0;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
@@ -4406,7 +4406,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
@@ -4434,7 +4434,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
@@ -4463,7 +4463,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   // Low (< 7) Q registers are needed for the vcvtsd instruction.
   summary->set_out(0, Location::FpuRegisterLocation(Q6));
@@ -4494,7 +4494,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   // Low (< 7) Q registers are needed for the vcvtsd instruction.
   summary->set_out(0, Location::FpuRegisterLocation(Q6));
@@ -4522,7 +4522,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
 
   if (representation() == kTagged) {
     ASSERT(op_kind() == MethodRecognizer::kFloat64x2GetSignMask);
@@ -4589,7 +4589,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_out(0, Location::SameAsFirstInput());
@@ -4662,7 +4662,7 @@
   const intptr_t kNumInputs = 4;
   const intptr_t kNumTemps = 1;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   summary->set_in(1, Location::RequiresRegister());
   summary->set_in(2, Location::RequiresRegister());
@@ -4709,7 +4709,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   // Low (< 7) Q registers are needed for the vmovrs instruction.
   summary->set_in(0, Location::FpuRegisterLocation(Q6));
   summary->set_out(0, Location::RequiresRegister());
@@ -4754,7 +4754,7 @@
   const intptr_t kNumInputs = 3;
   const intptr_t kNumTemps = 1;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_in(2, Location::RequiresFpuRegister());
@@ -4788,7 +4788,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresRegister());
   // Low (< 7) Q register needed for the vmovsr instruction.
@@ -4838,7 +4838,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
@@ -4859,7 +4859,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
@@ -4900,7 +4900,7 @@
     const intptr_t kNumInputs = 1;
     const intptr_t kNumTemps = 0;
     LocationSummary* summary =
-        new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+        new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
     summary->set_in(0, Location::FpuRegisterLocation(Q0));
     summary->set_out(0, Location::FpuRegisterLocation(Q0));
     if (!TargetCPUFeatures::hardfp_supported()) {
@@ -4916,7 +4916,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
@@ -4956,7 +4956,7 @@
     const intptr_t kNumInputs = 2;
     const intptr_t kNumTemps = 1;
     LocationSummary* summary =
-        new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+        new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
     summary->set_in(0, Location::RequiresFpuRegister());
     summary->set_in(1, Location::RequiresFpuRegister());
     // Reuse the left register so that code can be made shorter.
@@ -4968,7 +4968,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   summary->set_in(1, Location::RequiresRegister());
   // Reuse the left register so that code can be made shorter.
@@ -5040,7 +5040,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   // We make use of 3-operand instructions by not requiring result register
   // to be identical to first input register as on Intel.
@@ -5074,7 +5074,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
@@ -5092,7 +5092,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* result =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   result->set_in(0, Location::WritableRegister());
   result->set_out(0, Location::RequiresFpuRegister());
   return result;
@@ -5112,7 +5112,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* result =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   result->set_in(0, Location::RegisterLocation(R1));
   result->set_out(0, Location::RegisterLocation(R0));
   return result;
@@ -5163,7 +5163,7 @@
 LocationSummary* DoubleToSmiInstr::MakeLocationSummary(bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* result = new LocationSummary(
+  LocationSummary* result = new (isolate) LocationSummary(isolate, 
       kNumInputs, kNumTemps, LocationSummary::kNoCall);
   result->set_in(0, Location::RequiresFpuRegister());
   result->set_out(0, Location::RequiresRegister());
@@ -5205,7 +5205,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* result =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   // Low (<= Q7) Q registers are needed for the conversion instructions.
   result->set_in(0, Location::RequiresFpuRegister());
   result->set_out(0, Location::FpuRegisterLocation(Q7));
@@ -5225,7 +5225,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* result =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   // Low (<= Q7) Q registers are needed for the conversion instructions.
   result->set_in(0, Location::FpuRegisterLocation(Q7));
   result->set_out(0, Location::RequiresFpuRegister());
@@ -5245,7 +5245,7 @@
   ASSERT((InputCount() == 1) || (InputCount() == 2));
   const intptr_t kNumTemps = 0;
   LocationSummary* result =
-      new LocationSummary(InputCount(), kNumTemps, LocationSummary::kCall);
+      new (isolate) LocationSummary(isolate, InputCount(), kNumTemps, LocationSummary::kCall);
   result->set_in(0, Location::FpuRegisterLocation(Q0));
   if (InputCount() == 2) {
     result->set_in(1, Location::FpuRegisterLocation(Q1));
@@ -5429,7 +5429,7 @@
   ASSERT(opt);
   const intptr_t kNumInputs = 1;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, 0, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, 0, LocationSummary::kNoCall);
   if (representation() == kUnboxedDouble) {
     if (index() == 0) {
       summary->set_in(0, Location::Pair(Location::RequiresFpuRegister(),
@@ -5478,7 +5478,7 @@
     const intptr_t kNumInputs = 2;
     const intptr_t kNumTemps = 2;
     LocationSummary* summary =
-        new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+        new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
     summary->set_in(0, Location::RequiresRegister());
     summary->set_in(1, Location::RequiresRegister());
     summary->set_temp(0, Location::RequiresRegister());
@@ -5616,7 +5616,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   if (!IsNullCheck()) {
     summary->AddTemp(Location::RequiresRegister());
@@ -5670,7 +5670,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   return summary;
 }
@@ -5688,7 +5688,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_in(kLengthPos, Location::RegisterOrSmiConstant(length()));
   locs->set_in(kIndexPos, Location::RegisterOrSmiConstant(index()));
   return locs;
@@ -5756,7 +5756,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   summary->set_temp(0, Location::RequiresRegister());
   summary->set_out(0,  Location::Pair(Location::RequiresRegister(),
@@ -5832,7 +5832,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs,
+      new (isolate) LocationSummary(isolate, kNumInputs,
                           kNumTemps,
                           LocationSummary::kCallOnSlowPath);
   summary->set_in(0, Location::Pair(Location::RequiresRegister(),
@@ -5938,7 +5938,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::Pair(Location::RequiresRegister(),
                                     Location::RequiresRegister()));
   summary->set_in(1, Location::Pair(Location::RequiresRegister(),
@@ -6011,7 +6011,7 @@
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 1;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::Pair(Location::RequiresRegister(),
                                     Location::RequiresRegister()));
   summary->set_in(1, Location::WritableRegister());
@@ -6102,7 +6102,7 @@
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::Pair(Location::RequiresRegister(),
                                     Location::RequiresRegister()));
   summary->set_out(0, Location::Pair(Location::RequiresRegister(),
@@ -6135,7 +6135,7 @@
 
 
 LocationSummary* ThrowInstr::MakeLocationSummary(bool opt) const {
-  return new LocationSummary(0, 0, LocationSummary::kCall);
+  return new (isolate) LocationSummary(isolate, 0, 0, LocationSummary::kCall);
 }
 
 
@@ -6150,7 +6150,7 @@
 
 
 LocationSummary* ReThrowInstr::MakeLocationSummary(bool opt) const {
-  return new LocationSummary(0, 0, LocationSummary::kCall);
+  return new (isolate) LocationSummary(isolate, 0, 0, LocationSummary::kCall);
 }
 
 
@@ -6191,7 +6191,7 @@
 
 
 LocationSummary* GotoInstr::MakeLocationSummary(bool opt) const {
-  return new LocationSummary(0, 0, LocationSummary::kNoCall);
+  return new (isolate) LocationSummary(isolate, 0, 0, LocationSummary::kNoCall);
 }
 
 
@@ -6236,14 +6236,14 @@
   const intptr_t kNumTemps = 0;
   if (needs_number_check()) {
     LocationSummary* locs =
-        new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+        new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
     locs->set_in(0, Location::RegisterLocation(R0));
     locs->set_in(1, Location::RegisterLocation(R1));
     locs->set_out(0, Location::RegisterLocation(R0));
     return locs;
   }
   LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+      new (isolate) LocationSummary(isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_in(0, Location::RegisterOrConstant(left()));
   // Only one of the inputs can be a constant. Choose register if the first one
   // is a constant.