X64: Now lints.

src/x64/codegen-x64.cc

Index: src/x64/codegen-x64.cc
diff --git a/src/x64/codegen-x64.cc b/src/x64/codegen-x64.cc
index 1629c6e8cadf6ae9fd7d0c57261d47a55e14b7a0..a99d0e4228fd2f7489667f75bacd0660d057afe3 100644
--- a/src/x64/codegen-x64.cc
+++ b/src/x64/codegen-x64.cc
@@ -648,7 +648,7 @@ void GenericBinaryOpStub::GenerateSmiCode(MacroAssembler* masm, Label* slow) {
       // by -1. We cannot use the overflow flag, since it is not set
       // by idiv instruction.
       ASSERT(kSmiTag == 0 && kSmiTagSize == 1);
-      // TODO(X64):TODO(Smi): Smi implementation dependent constant.
+      // TODO(X64): TODO(Smi): Smi implementation dependent constant.
       // Value is Smi::fromInt(-(1<<31)) / Smi::fromInt(-1)
       __ cmpq(rax, Immediate(0x40000000));
       __ j(equal, slow);