[runtime] Kill the %NumberToIntegerMapMinusZero runtime entry.

src/full-codegen/arm64/full-codegen-arm64.cc

 // Copyright 2013 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.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 2829 matching lines @@
 
   Register object = x1;
   Register index = x0;
   Register result = x3;
 
   PopOperand(object);
 
   Label need_conversion;
   Label index_out_of_range;
   Label done;
-  StringCharCodeAtGenerator generator(object,
-                                      index,
-                                      result,
-                                      &need_conversion,
-                                      &need_conversion,
-                                      &index_out_of_range,
-                                      STRING_INDEX_IS_NUMBER);
+  StringCharCodeAtGenerator generator(object, index, result, &need_conversion,
+                                      &need_conversion, &index_out_of_range);
   generator.GenerateFast(masm_);
   __ B(&done);
 
   __ Bind(&index_out_of_range);
   // When the index is out of range, the spec requires us to return NaN.
   __ LoadRoot(result, Heap::kNanValueRootIndex);
   __ B(&done);
 
   __ Bind(&need_conversion);
   // Load the undefined value into the result register, which will
@@ skipping 1029 matching lines @@
   }
 
   return INTERRUPT;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64