Index: VirtualBox-6.0.6/Config.kmk
===================================================================
--- VirtualBox-6.0.6.orig/Config.kmk
+++ VirtualBox-6.0.6/Config.kmk
@@ -21,6 +21,8 @@
 # Marker.
 VBOX_ROOT_CONFIG_KMK_INCLUDED = 1
 
+# Turn off mangling for Link Time Option
+IPRT_IGNORE_TEST_MANGLING = 1
 
 #
 # kBuild stuff