Index: /trunk/Config.kmk
===================================================================
--- /trunk/Config.kmk	(revision 52984)
+++ /trunk/Config.kmk	(revision 52985)
@@ -1505,5 +1505,5 @@
 # Compiler optimization flags.
 #
-VBOX_GCC_WARN     ?= -Wall $(VBOX_GCC_Wextra) $(VBOX_GCC_Wno-missing-field-initializers) -Wno-unused -Wno-trigraphs $(VBOX_GCC_fdiagnostics-show-option) $(VBOX_GCC_Wno-unused-parameter)
+VBOX_GCC_WARN     ?= -Wall $(VBOX_GCC_Wextra) $(VBOX_GCC_Wno-missing-field-initializers) -Wno-unused -Wno-trigraphs $(VBOX_GCC_fdiagnostics-show-option) $(VBOX_GCC_Wno-unused-parameter) $(VBOX_GCC_Wlogical-op)
 VBOX_GCC_WARN_PEDANTIC = -Wshadow $(VBOX_GCC_WARN) -Wno-long-long
 ifdef VBOX_WITH_MASOCHISTIC_WARNINGS