Index: /trunk/Config.kmk
===================================================================
--- /trunk/Config.kmk	(revision 73514)
+++ /trunk/Config.kmk	(revision 73515)
@@ -4273,6 +4273,6 @@
 TEMPLATE_VBoxR0_CFLAGS              = -fno-pie -nostdinc -g $(VBOX_GCC_pipe) $(VBOX_GCC_WERR) $(VBOX_GCC_PEDANTIC_C)   $(VBOX_GCC_Wno-variadic-macros) $(VBOX_GCC_R0_OPT) $(VBOX_GCC_R0_FP) -fno-strict-aliasing -fno-exceptions $(VBOX_GCC_fno-stack-protector) -fno-common $(VBOX_GCC_fvisibility-hidden) -std=gnu99 $(VBOX_GCC_IPRT_FMT_CHECK)
 TEMPLATE_VBoxR0_CXXFLAGS            = -fno-pie -nostdinc -g $(VBOX_GCC_pipe) $(VBOX_GCC_WERR) $(VBOX_GCC_PEDANTIC_CXX) $(VBOX_GCC_Wno-variadic-macros) $(VBOX_GCC_R0_OPT) $(VBOX_GCC_R0_FP) -fno-strict-aliasing -fno-exceptions $(VBOX_GCC_fno-stack-protector) -fno-common $(VBOX_GCC_fvisibility-inlines-hidden) $(VBOX_GCC_fvisibility-hidden) -fno-rtti $(VBOX_GCC_IPRT_FMT_CHECK)
-TEMPLATE_VBoxR0_CFLAGS.amd64        = -m64 -mno-red-zone -mcmodel=kernel -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -fno-asynchronous-unwind-tables -ffreestanding
-TEMPLATE_VBoxR0_CXXFLAGS.amd64      = -m64 -mno-red-zone -mcmodel=kernel -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -fno-asynchronous-unwind-tables
+TEMPLATE_VBoxR0_CFLAGS.amd64        = -m64 -mno-red-zone -mcmodel=kernel -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -fasynchronous-unwind-tables -ffreestanding
+TEMPLATE_VBoxR0_CXXFLAGS.amd64      = -m64 -mno-red-zone -mcmodel=kernel -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -fasynchronous-unwind-tables
 ifeq ($(KBUILD_TARGET),solaris)
  TEMPLATE_VBoxR0_LDFLAGS            = -r