Fix SmiMove unit test.

TEST=cctest/test-macro-assembler-x64.cc
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/25426006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17101 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

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);
 }