Fix shortcutting bug in HInferRepresentation

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index 401c2e4a0376b33ad9c00df5d78b46026dbe901c..46d5393c5aef052fba48aef048529fd1123ffffc 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -588,9 +588,9 @@ class HValue: public ZoneObject {
   // it would otherwise output what should be a minus zero as an int32 zero.
   // If the operation also exists in a form that takes int32 and outputs int32
   // then the operation should return its input value so that we can propagate
-  // back.  There are two operations that need to propagate back to more than
-  // one input.  They are phi and binary add.  They always return NULL and
-  // expect the caller to take care of things.
+  // back.  There are three operations that need to propagate back to more than
+  // one input.  They are phi and binary div and mul.  They always return NULL
+  // and expect the caller to take care of things.
   virtual HValue* EnsureAndPropagateNotMinusZero(BitVector* visited) {
     visited->Add(id());
     return NULL;