Fix presubmit failure introduced by r7158.

src/x64/lithium-codegen-x64.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 770 matching lines @@
     ASSERT(ToRegister(instr->InputAt(0)).is(rax));
     ASSERT(!right_reg.is(rax));
     ASSERT(!right_reg.is(rdx));
 
     // Check for x % 0.
     if (instr->hydrogen()->CheckFlag(HValue::kCanBeDivByZero)) {
       __ testl(right_reg, right_reg);
       DeoptimizeIf(zero, instr->environment());
     }
 
-    // Sign extend eax to edx. (We are using only the low 32 bits of the values.)
+    // Sign extend eax to edx.
+    // (We are using only the low 32 bits of the values.)
     __ cdq();
 
     // Check for (0 % -x) that will produce negative zero.
     if (instr->hydrogen()->CheckFlag(HValue::kBailoutOnMinusZero)) {
       NearLabel positive_left;
       NearLabel done;
       __ testl(rax, rax);
       __ j(not_sign, &positive_left);
       __ idivl(right_reg);
 
@@ skipping 2915 matching lines @@
   RegisterEnvironmentForDeoptimization(environment);
   ASSERT(osr_pc_offset_ == -1);
   osr_pc_offset_ = masm()->pc_offset();
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64