Fix SmiMove unit test.

test/cctest/test-macro-assembler-x64.cc

Index: test/cctest/test-macro-assembler-x64.cc
diff --git a/test/cctest/test-macro-assembler-x64.cc b/test/cctest/test-macro-assembler-x64.cc
index fe2269189a013281230b366b22632f85feb47fcf..d9b6e3f081a05ddcc078e05ab16bdff11514d544 100644
--- a/test/cctest/test-macro-assembler-x64.cc
+++ b/test/cctest/test-macro-assembler-x64.cc
@@ -141,8 +141,8 @@ TEST(Smi) {
 
 static void TestMoveSmi(MacroAssembler* masm, Label* exit, int id, Smi* value) {
   __ movl(rax, Immediate(id));
-  __ Move(rcx, Smi::FromInt(0));
-  __ Set(rdx, reinterpret_cast<intptr_t>(Smi::FromInt(0)));
+  __ Move(rcx, value);
+  __ Set(rdx, reinterpret_cast<intptr_t>(value));
   __ cmpq(rcx, rdx);
   __ j(not_equal, exit);
 }