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sdk/lib/_internal/lib/io_patch.dart

Index: sdk/lib/_internal/lib/io_patch.dart
diff --git a/sdk/lib/_internal/lib/io_patch.dart b/sdk/lib/_internal/lib/io_patch.dart
index 6e0821a5f6c5f06a8682641f420600b50ddd3af4..289fcc16269fce26b2834c920e0a261d27160ec9 100644
--- a/sdk/lib/_internal/lib/io_patch.dart
+++ b/sdk/lib/_internal/lib/io_patch.dart
@@ -104,6 +104,9 @@ patch class _RandomAccessFile {
   patch static int _close(int id) {
     throw new UnsupportedError("RandomAccessFile._close");
   }
+  patch static int _getFD(int id) {
+    throw new UnsupportedError("RandomAccessFile._getFD");
+  }
   patch static _readByte(int id) {
     throw new UnsupportedError("RandomAccessFile._readByte");
   }