Removing redundant stub for runtime native calls.

src/arm/debug-arm.cc

 // Copyright 2006-2008 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 80 matching lines @@
   // make sure that these are correctly updated during GC.
   // Use sp as base to push.
   __ CopyRegistersFromMemoryToStack(sp, pointer_regs);
 
 #ifdef DEBUG
   __ RecordComment("// Calling from debug break to runtime - come in - over");
 #endif
   __ mov(r0, Operand(0));  // no arguments
   __ mov(r1, Operand(ExternalReference::debug_break()));
 
-  CEntryDebugBreakStub ceb;
+  CEntryStub ceb(1);
   __ CallStub(&ceb);
 
   // Restore the register values containing object pointers from the expression
   // stack in the reverse order as they where pushed.
   // Use sp as base to pop.
   __ CopyRegistersFromStackToMemory(sp, r3, pointer_regs);
 
   __ LeaveInternalFrame();
 
   // Finally restore all registers.
@@ skipping 92 matching lines @@
   // -----------------------------------
   Generate_DebugBreakCallHelper(masm, 0);
 }
 
 
 #undef __
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 } }  // namespace v8::internal