diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 09a1442..c5fbdef 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -1905,7 +1905,8 @@
                     !IsOpt))
     CmdArgs.push_back("-relax-all");
 
-  // FIXME: Add -force_cpusubtype_ALL support, once we have it.
+  // Ignore explicit -force_cpusubtype_ALL option.
+  (void) Args.hasArg(options::OPT_force__cpusubtype__ALL);
 
   // FIXME: Add -g support, once we have it.