Revert "[turbofan] Fix bug in Rangify."

src/compiler/typer.cc

Index: src/compiler/typer.cc
diff --git a/src/compiler/typer.cc b/src/compiler/typer.cc
index dc85405fa2fad215275c72cb8fe4e4b41568b768..3649f7d79dcd4c1bf7f0699c92b9c9d512364fed 100644
--- a/src/compiler/typer.cc
+++ b/src/compiler/typer.cc
@@ -408,9 +408,7 @@ Type* Typer::Visitor::FalsifyUndefined(Type* type, Typer* t) {
 
 Type* Typer::Visitor::Rangify(Type* type, Typer* t) {
   if (type->IsRange()) return type;        // Shortcut.
-  if (!type->Is(t->integer) && !type->Is(Type::Integral32())) {
-    return type;  // Give up.
-  }
+  if (!type->Is(t->integer)) return type;  // Give up.
   Factory* f = t->isolate()->factory();
   return Type::Range(f->NewNumber(type->Min()), f->NewNumber(type->Max()),
                      t->zone());