X87: Array constructor failed to enter it's function execution context.

src/x87/code-stubs-x87.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.
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 4634 matching lines @@
     __ Assert(not_zero, kUnexpectedInitialMapForArrayFunction);
     __ CmpObjectType(ecx, MAP_TYPE, ecx);
     __ Assert(equal, kUnexpectedInitialMapForArrayFunction);
 
     // We should either have undefined in ebx or a valid AllocationSite
     __ AssertUndefinedOrAllocationSite(ebx);
   }
 
   Label subclassing;
 
+  // Enter the context of the Array function.
+  __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset));
+
   __ cmp(edx, edi);
   __ j(not_equal, &subclassing);
 
   Label no_info;
   // If the feedback vector is the undefined value call an array constructor
   // that doesn't use AllocationSites.
   __ cmp(ebx, isolate()->factory()->undefined_value());
   __ j(equal, &no_info);
 
   // Only look at the lower 16 bits of the transition info.
@@ skipping 655 matching lines @@
                            Operand(ebp, 7 * kPointerSize), NULL);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87