Make ToBooleanStub more consistent across platforms.

src/ia32/lithium-codegen-ia32.cc

 // Copyright 2011 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 1393 matching lines @@
       __ j(not_equal, &call_stub, Label::kNear);
       __ fldz();
       __ fld_d(FieldOperand(reg, HeapNumber::kValueOffset));
       __ FCmp();
       __ j(zero, false_label);
       __ jmp(true_label);
 
       // The conversion stub doesn't cause garbage collections so it's
       // safe to not record a safepoint after the call.
       __ bind(&call_stub);
-      ToBooleanStub stub;
+      ToBooleanStub stub(eax);
       __ pushad();
       __ push(reg);
       __ CallStub(&stub);
       __ test(eax, Operand(eax));
       __ popad();
       EmitBranch(true_block, false_block, not_zero);
     }
   }
 }
 
@@ skipping 3043 matching lines @@
   __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
   __ InvokeBuiltin(Builtins::IN, CALL_FUNCTION, safepoint_generator);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32