[turbofan] Reuse the operation typer's logic in the typer.

src/compiler/operation-typer.h

Index: src/compiler/operation-typer.h
diff --git a/src/compiler/operation-typer.h b/src/compiler/operation-typer.h
index aa669acdec49e30645622ceb7610549ba4827609..904d6f3dc1b798c9f0f2cac59f9c390591b4a294 100644
--- a/src/compiler/operation-typer.h
+++ b/src/compiler/operation-typer.h
@@ -7,6 +7,7 @@
 
 #include "src/base/flags.h"
 #include "src/compiler/opcodes.h"
+#include "src/zone.h"
 
 namespace v8 {
 namespace internal {
@@ -15,11 +16,10 @@ class Isolate;
 class RangeType;
 class Type;
 class TypeCache;
-class Zone;
 
 namespace compiler {
 
-class OperationTyper {
+class OperationTyper : public ZoneObject {

[Benedikt Meurer, 2016/06/22 03:49:49]

Nit: This shouldn't be a ZoneObject. Just embed the OperationTyper into the
Typer.

  public:
   OperationTyper(Isolate* isolate, Zone* zone);