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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/runtime/runtime-utils.h" | 5 #include "src/runtime/runtime-utils.h" |
6 | 6 |
7 #include "src/arguments.h" | 7 #include "src/arguments.h" |
8 #include "src/conversions-inl.h" | 8 #include "src/conversions-inl.h" |
9 #include "src/elements.h" | 9 #include "src/elements.h" |
10 #include "src/factory.h" | 10 #include "src/factory.h" |
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246 if (caller_args->length() == 1) { | 246 if (caller_args->length() == 1) { |
247 Handle<Object> argument_one = caller_args->at<Object>(0); | 247 Handle<Object> argument_one = caller_args->at<Object>(0); |
248 if (argument_one->IsSmi()) { | 248 if (argument_one->IsSmi()) { |
249 int value = Handle<Smi>::cast(argument_one)->value(); | 249 int value = Handle<Smi>::cast(argument_one)->value(); |
250 if (value < 0 || | 250 if (value < 0 || |
251 JSArray::SetLengthWouldNormalize(isolate->heap(), value)) { | 251 JSArray::SetLengthWouldNormalize(isolate->heap(), value)) { |
252 // the array is a dictionary in this case. | 252 // the array is a dictionary in this case. |
253 can_use_type_feedback = false; | 253 can_use_type_feedback = false; |
254 } else if (value != 0) { | 254 } else if (value != 0) { |
255 holey = true; | 255 holey = true; |
256 if (value >= JSArray::kInitialMaxFastElementArray) { | 256 if (value >= JSObject::kInitialMaxFastElementArray) { |
257 can_inline_array_constructor = false; | 257 can_inline_array_constructor = false; |
258 } | 258 } |
259 } | 259 } |
260 } else { | 260 } else { |
261 // Non-smi length argument produces a dictionary | 261 // Non-smi length argument produces a dictionary |
262 can_use_type_feedback = false; | 262 can_use_type_feedback = false; |
263 } | 263 } |
264 } | 264 } |
265 | 265 |
266 Handle<JSArray> array; | 266 Handle<JSArray> array; |
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492 | 492 |
493 RUNTIME_FUNCTION(Runtime_FastOneByteArrayJoin) { | 493 RUNTIME_FUNCTION(Runtime_FastOneByteArrayJoin) { |
494 SealHandleScope shs(isolate); | 494 SealHandleScope shs(isolate); |
495 DCHECK(args.length() == 2); | 495 DCHECK(args.length() == 2); |
496 // Returning undefined means that this fast path fails and one has to resort | 496 // Returning undefined means that this fast path fails and one has to resort |
497 // to a slow path. | 497 // to a slow path. |
498 return isolate->heap()->undefined_value(); | 498 return isolate->heap()->undefined_value(); |
499 } | 499 } |
500 } // namespace internal | 500 } // namespace internal |
501 } // namespace v8 | 501 } // namespace v8 |
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