Remove no-zone versions of intersection and union.

src/types.h

 // 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.
 
 #ifndef V8_TYPES_H_
 #define V8_TYPES_H_
 
 #include "src/conversions.h"
 #include "src/handles.h"
 #include "src/objects.h"
@@ skipping 413 matching lines @@
     return function;
   }
 
 #define CONSTRUCT_SIMD_TYPE(NAME, Name, name, lane_count, lane_type) \
   static TypeHandle Name(Isolate* isolate, Region* region);
   SIMD128_TYPES(CONSTRUCT_SIMD_TYPE)
 #undef CONSTRUCT_SIMD_TYPE
 
   static TypeHandle Union(TypeHandle type1, TypeHandle type2, Region* reg);
   static TypeHandle Intersect(TypeHandle type1, TypeHandle type2, Region* reg);
-  static TypeImpl* Union(TypeImpl* type1, TypeImpl* type2) {
-    return BitsetType::New(type1->AsBitset() | type2->AsBitset());
-  }
-  static TypeImpl* Intersect(TypeImpl* type1, TypeImpl* type2) {
-    return BitsetType::New(type1->AsBitset() & type2->AsBitset());
-  }
 
   static TypeHandle Of(double value, Region* region) {
     return Config::from_bitset(BitsetType::Lub(value), region);
   }
   static TypeHandle Of(i::Object* value, Region* region) {
     return Config::from_bitset(BitsetType::Lub(value), region);
   }
   static TypeHandle Of(i::Handle<i::Object> value, Region* region) {
     return Of(*value, region);
   }
@@ skipping 721 matching lines @@
   bool Narrows(BoundsImpl that) {
     return that.lower->Is(this->lower) && this->upper->Is(that.upper);
   }
 };
 
 typedef BoundsImpl<ZoneTypeConfig> Bounds;
 
 } }  // namespace v8::internal
 
 #endif  // V8_TYPES_H_