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Issue 1483053004: Array constructor failed to enter it's function execution context. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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 #if V8_TARGET_ARCH_ARM 5 #if V8_TARGET_ARCH_ARM
6 6
7 #include "src/base/bits.h" 7 #include "src/base/bits.h"
8 #include "src/bootstrapper.h" 8 #include "src/bootstrapper.h"
9 #include "src/code-stubs.h" 9 #include "src/code-stubs.h"
10 #include "src/codegen.h" 10 #include "src/codegen.h"
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4794 // Will both indicate a NULL and a Smi. 4794 // Will both indicate a NULL and a Smi.
4795 __ tst(r4, Operand(kSmiTagMask)); 4795 __ tst(r4, Operand(kSmiTagMask));
4796 __ Assert(ne, kUnexpectedInitialMapForArrayFunction); 4796 __ Assert(ne, kUnexpectedInitialMapForArrayFunction);
4797 __ CompareObjectType(r4, r4, r5, MAP_TYPE); 4797 __ CompareObjectType(r4, r4, r5, MAP_TYPE);
4798 __ Assert(eq, kUnexpectedInitialMapForArrayFunction); 4798 __ Assert(eq, kUnexpectedInitialMapForArrayFunction);
4799 4799
4800 // We should either have undefined in r2 or a valid AllocationSite 4800 // We should either have undefined in r2 or a valid AllocationSite
4801 __ AssertUndefinedOrAllocationSite(r2, r4); 4801 __ AssertUndefinedOrAllocationSite(r2, r4);
4802 } 4802 }
4803 4803
4804 // Enter the context of the Array function.
4805 __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
4806
4804 Label subclassing; 4807 Label subclassing;
4805 __ cmp(r3, r1); 4808 __ cmp(r3, r1);
4806 __ b(ne, &subclassing); 4809 __ b(ne, &subclassing);
4807 4810
4808 Label no_info; 4811 Label no_info;
4809 // Get the elements kind and case on that. 4812 // Get the elements kind and case on that.
4810 __ CompareRoot(r2, Heap::kUndefinedValueRootIndex); 4813 __ CompareRoot(r2, Heap::kUndefinedValueRootIndex);
4811 __ b(eq, &no_info); 4814 __ b(eq, &no_info);
4812 4815
4813 __ ldr(r3, FieldMemOperand(r2, AllocationSite::kTransitionInfoOffset)); 4816 __ ldr(r3, FieldMemOperand(r2, AllocationSite::kTransitionInfoOffset));
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5382 MemOperand(fp, 6 * kPointerSize), NULL); 5385 MemOperand(fp, 6 * kPointerSize), NULL);
5383 } 5386 }
5384 5387
5385 5388
5386 #undef __ 5389 #undef __
5387 5390
5388 } // namespace internal 5391 } // namespace internal
5389 } // namespace v8 5392 } // namespace v8
5390 5393
5391 #endif // V8_TARGET_ARCH_ARM 5394 #endif // V8_TARGET_ARCH_ARM
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