diff --git a/lld/COFF/Options.td b/lld/COFF/Options.td
--- a/lld/COFF/Options.td
+++ b/lld/COFF/Options.td
@@ -296,6 +296,7 @@
 def throwingnew : F<"throwingnew">;
 def editandcontinue : F<"editandcontinue">;
 def fastfail : F<"fastfail">;
+def pdbcompress : F<"pdbcompress">;
 
 def delay : P_priv<"delay">;
 def errorreport : P_priv<"errorreport">;