Removed most of the bogus CompilationInfo constructor calls.

src/compiler/change-lowering.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/change-lowering.h"
 
 #include "src/code-factory.h"
 #include "src/compiler/diamond.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/linkage.h"
@@ skipping 55 matching lines @@
   const int smi_shift_size = machine()->Is32() ? SmiTagging<4>::SmiShiftSize()
                                                : SmiTagging<8>::SmiShiftSize();
   return jsgraph()->IntPtrConstant(smi_shift_size + kSmiTagSize);
 }
 
 
 Node* ChangeLowering::AllocateHeapNumberWithValue(Node* value, Node* control) {
   // The AllocateHeapNumberStub does not use the context, so we can safely pass
   // in Smi zero here.
   Callable callable = CodeFactory::AllocateHeapNumber(isolate());
-  CallDescriptor* descriptor = linkage()->GetStubCallDescriptor(
-      callable.descriptor(), 0, CallDescriptor::kNoFlags);
+  CallDescriptor* descriptor = Linkage::GetStubCallDescriptor(
+      isolate(), jsgraph()->zone(), callable.descriptor(), 0,
+      CallDescriptor::kNoFlags);
   Node* target = jsgraph()->HeapConstant(callable.code());
   Node* context = jsgraph()->NoContextConstant();
   Node* effect = graph()->NewNode(common()->ValueEffect(1), value);
   Node* heap_number = graph()->NewNode(common()->Call(descriptor), target,
                                        context, effect, control);
   Node* store = graph()->NewNode(
       machine()->Store(StoreRepresentation(kMachFloat64, kNoWriteBarrier)),
       heap_number, HeapNumberValueIndexConstant(), value, heap_number, control);
   return graph()->NewNode(common()->Finish(1), heap_number, store);
 }
@@ skipping 192 matching lines @@
 }
 
 
 MachineOperatorBuilder* ChangeLowering::machine() const {
   return jsgraph()->machine();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8