Filler sizes have to be Smis, fix x64 breakage.

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index 8668793c8a3e4844783ca40d1ad1a1cc054f6829..af954de4e90186573414e79cc26889e89035f2c7 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -3246,8 +3246,10 @@ class HConstant V8_FINAL : public HTemplateInstruction<0> {
   static HConstant* CreateAndInsertAfter(Zone* zone,
                                          HValue* context,
                                          int32_t value,
+                                         Representation representation,
                                          HInstruction* instruction) {
-    HConstant* new_constant = HConstant::New(zone, context, value);
+    HConstant* new_constant =
+        HConstant::New(zone, context, value, representation);
     new_constant->InsertAfter(instruction);
     return new_constant;
   }
@@ -3255,8 +3257,10 @@ class HConstant V8_FINAL : public HTemplateInstruction<0> {
   static HConstant* CreateAndInsertBefore(Zone* zone,
                                           HValue* context,
                                           int32_t value,
+                                          Representation representation,
                                           HInstruction* instruction) {
-    HConstant* new_constant = HConstant::New(zone, context, value);
+    HConstant* new_constant =
+        HConstant::New(zone, context, value, representation);
     new_constant->InsertBefore(instruction);
     return new_constant;
   }