Index: lib/Driver/Job.cpp
===================================================================
--- lib/Driver/Job.cpp
+++ lib/Driver/Job.cpp
@@ -49,7 +49,7 @@
   // arguments.  Therefore, we need to skip the flag and the next argument.
   bool ShouldSkip = llvm::StringSwitch<bool>(Flag)
     .Cases("-MF", "-MT", "-MQ", "-serialize-diagnostic-file", true)
-    .Cases("-o", "-coverage-file", "-dependency-file", true)
+    .Cases("-o", "-dependency-file", true)
     .Cases("-fdebug-compilation-dir", "-diagnostic-log-file", true)
     .Cases("-dwarf-debug-flags", "-ivfsoverlay", true)
     .Default(false);