[runtime] Kill the %NumberToIntegerMapMinusZero runtime entry.

src/code-stubs.h

 // Copyright 2012 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_CODE_STUBS_H_
 #define V8_CODE_STUBS_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/code-stub-assembler.h"
@@ skipping 2141 matching lines @@
 // TODO(bmeurer/mvstanton): Turn CallConstructStub into ConstructICStub.
 class CallConstructStub final : public PlatformCodeStub {
  public:
   explicit CallConstructStub(Isolate* isolate) : PlatformCodeStub(isolate) {}
 
   DEFINE_CALL_INTERFACE_DESCRIPTOR(CallConstruct);
   DEFINE_PLATFORM_CODE_STUB(CallConstruct, PlatformCodeStub);
 };
 
 
-enum StringIndexFlags {
-  // Accepts smis or heap numbers.
-  STRING_INDEX_IS_NUMBER,
-
-  // Accepts smis or heap numbers that are valid array indices
-  // (ECMA-262 15.4). Invalid indices are reported as being out of
-  // range.
-  STRING_INDEX_IS_ARRAY_INDEX
-};
-
-
 enum ReceiverCheckMode {
   // We don't know anything about the receiver.
   RECEIVER_IS_UNKNOWN,
 
   // We know the receiver is a string.
   RECEIVER_IS_STRING
 };
 
 
 enum EmbedMode {
@@ skipping 13 matching lines @@
 // flags. Otherwise, bails out to the provided labels.
 //
 // Register usage: |object| may be changed to another string in a way
 // that doesn't affect charCodeAt/charAt semantics, |index| is
 // preserved, |scratch| and |result| are clobbered.
 class StringCharCodeAtGenerator {
  public:
   StringCharCodeAtGenerator(Register object, Register index, Register result,
                             Label* receiver_not_string, Label* index_not_number,
                             Label* index_out_of_range,
-                            StringIndexFlags index_flags,
                             ReceiverCheckMode check_mode = RECEIVER_IS_UNKNOWN)
       : object_(object),
         index_(index),
         result_(result),
         receiver_not_string_(receiver_not_string),
         index_not_number_(index_not_number),
         index_out_of_range_(index_out_of_range),
-        index_flags_(index_flags),
         check_mode_(check_mode) {
     DCHECK(!result_.is(object_));
     DCHECK(!result_.is(index_));
   }
 
   // Generates the fast case code. On the fallthrough path |result|
   // register contains the result.
   void GenerateFast(MacroAssembler* masm);
 
   // Generates the slow case code. Must not be naturally
@@ skipping 11 matching lines @@
 
  private:
   Register object_;
   Register index_;
   Register result_;
 
   Label* receiver_not_string_;
   Label* index_not_number_;
   Label* index_out_of_range_;
 
-  StringIndexFlags index_flags_;
   ReceiverCheckMode check_mode_;
 
   Label call_runtime_;
   Label index_not_smi_;
   Label got_smi_index_;
   Label exit_;
 
   DISALLOW_COPY_AND_ASSIGN(StringCharCodeAtGenerator);
 };
 
@@ skipping 43 matching lines @@
 // flags. Otherwise, bails out to the provided labels.
 //
 // Register usage: |object| may be changed to another string in a way
 // that doesn't affect charCodeAt/charAt semantics, |index| is
 // preserved, |scratch1|, |scratch2|, and |result| are clobbered.
 class StringCharAtGenerator {
  public:
   StringCharAtGenerator(Register object, Register index, Register scratch,
                         Register result, Label* receiver_not_string,
                         Label* index_not_number, Label* index_out_of_range,
-                        StringIndexFlags index_flags,
                         ReceiverCheckMode check_mode = RECEIVER_IS_UNKNOWN)
       : char_code_at_generator_(object, index, scratch, receiver_not_string,
                                 index_not_number, index_out_of_range,
-                                index_flags, check_mode),
+                                check_mode),
         char_from_code_generator_(scratch, result) {}
 
   // Generates the fast case code. On the fallthrough path |result|
   // register contains the result.
   void GenerateFast(MacroAssembler* masm) {
     char_code_at_generator_.GenerateFast(masm);
     char_from_code_generator_.GenerateFast(masm);
   }
 
   // Generates the slow case code. Must not be naturally
@@ skipping 936 matching lines @@
 #undef DEFINE_HYDROGEN_CODE_STUB
 #undef DEFINE_CODE_STUB
 #undef DEFINE_CODE_STUB_BASE
 
 extern Representation RepresentationFromType(Type* type);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODE_STUBS_H_