[turbofan] Allow non-speculative operators to consume feedback types.

src/compiler/representation-change.h

Index: src/compiler/representation-change.h
diff --git a/src/compiler/representation-change.h b/src/compiler/representation-change.h
index 8a38644e9495e0e35bb86ace049b3dc32f01cb7b..f00e215a5ecb6ba4cf6e21165c4c3eb8ff268519 100644
--- a/src/compiler/representation-change.h
+++ b/src/compiler/representation-change.h
@@ -80,6 +80,21 @@ enum class TypeCheckKind : uint8_t {
   kNumber
 };
 
+inline std::ostream& operator<<(std::ostream& os, TypeCheckKind type_check) {
+  switch (type_check) {
+    case TypeCheckKind::kNone:
+      return os << "None";
+    case TypeCheckKind::kSigned32:
+      return os << "Signed32";
+    case TypeCheckKind::kNumberOrUndefined:
+      return os << "NumberOrUndefined";
+    case TypeCheckKind::kNumber:
+      return os << "Number";
+  }
+  UNREACHABLE();
+  return os;
+}
+
 // The {UseInfo} class is used to describe a use of an input of a node.
 //
 // This information is used in two different ways, based on the phase: