Issue 485: Fix leak of builtins object through call and apply functions.

src/arm/builtins-arm.cc

 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 931 matching lines @@
     __ mov(r0, Operand(r0, ASR, kSmiTagSize));
 
     __ LeaveInternalFrame();
     __ b(&patch_receiver);
 
     // Use the global receiver object from the called function as the receiver.
     __ bind(&use_global_receiver);
     const int kGlobalIndex =
         Context::kHeaderSize + Context::GLOBAL_INDEX * kPointerSize;
     __ ldr(r2, FieldMemOperand(cp, kGlobalIndex));
+    __ ldr(r2, FieldMemOperand(r2, GlobalObject::kGlobalContextOffset));
+    __ ldr(r2, FieldMemOperand(r2, kGlobalIndex));
     __ ldr(r2, FieldMemOperand(r2, GlobalObject::kGlobalReceiverOffset));
 
     __ bind(&patch_receiver);
     __ add(r3, sp, Operand(r0, LSL, kPointerSizeLog2));
     __ str(r2, MemOperand(r3, -kPointerSize));
 
     __ bind(&done);
   }
 
   // 4. Shift stuff one slot down the stack
@@ skipping 138 matching lines @@
   __ bind(&call_to_object);
   __ push(r0);
   __ InvokeBuiltin(Builtins::TO_OBJECT, CALL_JS);
   __ b(&push_receiver);
 
   // Use the current global receiver object as the receiver.
   __ bind(&use_global_receiver);
   const int kGlobalOffset =
       Context::kHeaderSize + Context::GLOBAL_INDEX * kPointerSize;
   __ ldr(r0, FieldMemOperand(cp, kGlobalOffset));
+  __ ldr(r0, FieldMemOperand(r0, GlobalObject::kGlobalContextOffset));
+  __ ldr(r0, FieldMemOperand(r0, kGlobalOffset));
   __ ldr(r0, FieldMemOperand(r0, GlobalObject::kGlobalReceiverOffset));
 
   // Push the receiver.
   // r0: receiver
   __ bind(&push_receiver);
   __ push(r0);
 
   // Copy all arguments from the array to the stack.
   Label entry, loop;
   __ ldr(r0, MemOperand(fp, kIndexOffset));
@@ skipping 158 matching lines @@
   // Dont adapt arguments.
   // -------------------------------------------
   __ bind(&dont_adapt_arguments);
   __ Jump(r3);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal