Drop ambiguous MaybeHandle comparison and hashing ops.

src/compiler/js-operator.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/js-operator.h"
 
 #include <limits>
 
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 bool operator==(VectorSlotPair const& lhs, VectorSlotPair const& rhs) {
-  return lhs.slot() == rhs.slot() && lhs.vector() == rhs.vector();
+  return lhs.slot() == rhs.slot() &&
+         lhs.vector().location() == rhs.vector().location();
 }
 
 
 bool operator!=(VectorSlotPair const& lhs, VectorSlotPair const& rhs) {
   return !(lhs == rhs);
 }
 
 
 size_t hash_value(VectorSlotPair const& p) {
-  return base::hash_combine(p.slot(), p.vector());
+  return base::hash_combine(p.slot(), p.vector().location());
 }
 
 
 std::ostream& operator<<(std::ostream& os, CallFunctionParameters const& p) {
   os << p.arity() << ", " << p.flags() << ", " << p.language_mode();
   if (p.AllowTailCalls()) {
     os << ", ALLOW_TAIL_CALLS";
   }
   return os;
 }
@@ skipping 690 matching lines @@
                                 Handle<String>::hash>(           // --
       IrOpcode::kJSCreateCatchContext, Operator::kNoProperties,  // opcode
       "JSCreateCatchContext",                                    // name
       2, 1, 1, 1, 1, 2,                                          // counts
       name);                                                     // parameter
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8