diff --git a/compiler/dex/compiler_enums.h b/compiler/dex/compiler_enums.h
index bdedadb..69adb35 100644
--- a/compiler/dex/compiler_enums.h
+++ b/compiler/dex/compiler_enums.h
@@ -548,6 +548,14 @@
 
 std::ostream& operator<<(std::ostream& os, const VolatileKind& kind);
 
+enum WideKind {
+  kNotWide,      // Non-wide view
+  kWide,         // Wide view
+  kRef           // Ref width
+};
+
+std::ostream& operator<<(std::ostream& os, const WideKind& kind);
+
 }  // namespace art
 
 #endif  // ART_COMPILER_DEX_COMPILER_ENUMS_H_