Avoid name clashes of builtins and runtime functions.

src/builtins.cc

 // 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.
 
 #include "v8.h"
 
 #include "api.h"
 #include "arguments.h"
 #include "bootstrapper.h"
 #include "builtins.h"
@@ skipping 977 matching lines @@
   ElementsKind elements_kind = GetInitialFastElementsKind();
   bool has_double = false;
   {
     DisallowHeapAllocation no_gc;
     Heap* heap = isolate->heap();
     Context* native_context = isolate->context()->native_context();
     JSObject* array_proto =
         JSObject::cast(native_context->array_function()->prototype());
     if (!ArrayPrototypeHasNoElements(heap, native_context, array_proto)) {
       AllowHeapAllocation allow_allocation;
-      return CallJsBuiltin(isolate, "ArrayConcat", args);
+      return CallJsBuiltin(isolate, "ArrayConcatJS", args);
     }
 
     // Iterate through all the arguments performing checks
     // and calculating total length.
     bool is_holey = false;
     for (int i = 0; i < n_arguments; i++) {
       Object* arg = args[i];
       if (!arg->IsJSArray() ||
           !JSArray::cast(arg)->HasFastElements() ||
           JSArray::cast(arg)->GetPrototype() != array_proto) {
         AllowHeapAllocation allow_allocation;
-        return CallJsBuiltin(isolate, "ArrayConcat", args);
+        return CallJsBuiltin(isolate, "ArrayConcatJS", args);
       }
       int len = Smi::cast(JSArray::cast(arg)->length())->value();
 
       // We shouldn't overflow when adding another len.
       const int kHalfOfMaxInt = 1 << (kBitsPerInt - 2);
       STATIC_ASSERT(FixedArray::kMaxLength < kHalfOfMaxInt);
       USE(kHalfOfMaxInt);
       result_len += len;
       ASSERT(result_len >= 0);
 
       if (result_len > FixedDoubleArray::kMaxLength) {
         AllowHeapAllocation allow_allocation;
-        return CallJsBuiltin(isolate, "ArrayConcat", args);
+        return CallJsBuiltin(isolate, "ArrayConcatJS", args);
       }
 
       ElementsKind arg_kind = JSArray::cast(arg)->map()->elements_kind();
       has_double = has_double || IsFastDoubleElementsKind(arg_kind);
       is_holey = is_holey || IsFastHoleyElementsKind(arg_kind);
       if (IsMoreGeneralElementsKindTransition(elements_kind, arg_kind)) {
         elements_kind = arg_kind;
       }
     }
     if (is_holey) elements_kind = GetHoleyElementsKind(elements_kind);
@@ skipping 676 matching lines @@
 }
 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C)
 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A)
 BUILTIN_LIST_H(DEFINE_BUILTIN_ACCESSOR_H)
 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A)
 #undef DEFINE_BUILTIN_ACCESSOR_C
 #undef DEFINE_BUILTIN_ACCESSOR_A
 
 
 } }  // namespace v8::internal