Push version 2.5.7 to trunk....

src/arm/virtual-frame-arm.cc

 // Copyright 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 227 matching lines @@
       __ mov(r1, Operand(count));
       __ bind(&alloc_locals_loop);
       __ push(ip);
       __ sub(r1, r1, Operand(1), SetCC);
       __ b(ne, &alloc_locals_loop);
     }
   } else {
     __ LoadRoot(r2, Heap::kStackLimitRootIndex);
   }
   // Check the stack for overflow or a break request.
-  // Put the lr setup instruction in the delay slot.  The kInstrSize is added
-  // to the implicit 8 byte offset that always applies to operations with pc
-  // and gives a return address 12 bytes down.
-  masm()->add(lr, pc, Operand(Assembler::kInstrSize));
   masm()->cmp(sp, Operand(r2));
   StackCheckStub stub;
   // Call the stub if lower.
-  masm()->mov(pc,
+  masm()->mov(ip,
               Operand(reinterpret_cast<intptr_t>(stub.GetCode().location()),
                       RelocInfo::CODE_TARGET),
               LeaveCC,
               lo);
+  masm()->Call(ip, lo);
 }
 
 
 
 void VirtualFrame::PushReceiverSlotAddress() {
   UNIMPLEMENTED();
 }
 
 
 void VirtualFrame::PushTryHandler(HandlerType type) {
@@ skipping 556 matching lines @@
       break;
   }
   ASSERT(register_allocation_map_ == 0);  // Not yet implemented.
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM