diff --git a/runtime/mirror/string-inl.h b/runtime/mirror/string-inl.h
index f98407b..14d7de2 100644
--- a/runtime/mirror/string-inl.h
+++ b/runtime/mirror/string-inl.h
@@ -23,6 +23,7 @@
 #include "runtime.h"
 #include "string.h"
 #include "thread.h"
+#include "utf.h"
 
 namespace art {
 namespace mirror {
@@ -67,6 +68,16 @@
   return GetCharArray()->Get(index + GetOffset());
 }
 
+inline int32_t String::GetHashCode() {
+  int32_t result = GetField32(OFFSET_OF_OBJECT_MEMBER(String, hash_code_));
+  if (UNLIKELY(result == 0)) {
+    result = ComputeHashCode();
+  }
+  DCHECK(result != 0 || ComputeUtf16Hash(GetCharArray(), GetOffset(), GetLength()) == 0)
+      << ToModifiedUtf8() << " " << result;
+  return result;
+}
+
 }  // namespace mirror
 }  // namespace art