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-rw-r--r--gcc/objc/objc-root.h4
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diff --git a/gcc/objc/objc-root.h b/gcc/objc/objc-root.h
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+/* APPLE LOCAL file Objective-C++ */
+/* Empty file to be the base for gtype-objc.h. */
+
+extern GTY(()) tree objc_dummy;