diff --git a/lib/MC/MCAssembler.cpp b/lib/MC/MCAssembler.cpp
index c5bf6b9..1cb97ce 100644
--- a/lib/MC/MCAssembler.cpp
+++ b/lib/MC/MCAssembler.cpp
@@ -972,3 +972,13 @@
   }
   OS << "]>\n";
 }
+
+// anchors for MC*Fragment vtables
+void MCDataFragment::anchor() { }
+void MCInstFragment::anchor() { }
+void MCAlignFragment::anchor() { }
+void MCFillFragment::anchor() { }
+void MCOrgFragment::anchor() { }
+void MCLEBFragment::anchor() { }
+void MCDwarfLineAddrFragment::anchor() { }
+void MCDwarfCallFrameFragment::anchor() { }