[turbofan] Another fix for induction variable typing monotonicity.

src/compiler/typer.cc

Index: src/compiler/typer.cc
diff --git a/src/compiler/typer.cc b/src/compiler/typer.cc
index ce70801090f9a8b551ea69daf956d64724258700..28e6d4cf313275d88ba2bca3515dd018a3190552 100644
--- a/src/compiler/typer.cc
+++ b/src/compiler/typer.cc
@@ -649,7 +649,8 @@ Type* Typer::Visitor::TypeInductionVariablePhi(Node* node) {
   }
   // If we do not have enough type information for the initial value or
   // the increment, just return the initial value's type.
-  if (!initial_type->IsInhabited() || !increment_type->IsInhabited()) {
+  if (!initial_type->IsInhabited() ||
+      increment_type->Is(typer_->cache_.kSingletonZero)) {
     return initial_type;
   }