Add fake data dependencies (instead of disabling GVN) to fix code motion

src/hydrogen-instructions.cc

Index: src/hydrogen-instructions.cc
diff --git a/src/hydrogen-instructions.cc b/src/hydrogen-instructions.cc
index 50f2f6df6c8572171eb1c2129c4a6b75ecb98038..fb3af6e1886bd1a73e2dbe8472a1e1e096c33392 100644
--- a/src/hydrogen-instructions.cc
+++ b/src/hydrogen-instructions.cc
@@ -1776,11 +1776,6 @@ void HSimulate::Verify() {
 }
 
 
-void HBoundsCheck::Verify() {
-  HInstruction::Verify();
-}
-
-
 void HCheckSmi::Verify() {
   HInstruction::Verify();
   ASSERT(HasNoUses());
@@ -1793,18 +1788,6 @@ void HCheckNonSmi::Verify() {
 }
 
 
-void HCheckInstanceType::Verify() {
-  HInstruction::Verify();
-  ASSERT(HasNoUses());
-}
-
-
-void HCheckMap::Verify() {
-  HInstruction::Verify();
-  ASSERT(HasNoUses());
-}
-
-
 void HCheckFunction::Verify() {
   HInstruction::Verify();
   ASSERT(HasNoUses());