Index: /trunk/src/VBox/Main/webservice/Makefile.kmk
===================================================================
--- /trunk/src/VBox/Main/webservice/Makefile.kmk	(revision 75908)
+++ /trunk/src/VBox/Main/webservice/Makefile.kmk	(revision 75909)
@@ -222,5 +222,5 @@
    vboxsoap_CXXFLAGS += -Wno-shadow -Wno-parentheses $(VBOX_GCC_Wno-literal-suffix) $(VBOX_GCC_Wno-stringop-overflow) $(VBOX_GCC_Wno-stringop-truncation)
    ifn1of ($(KBUILD_TYPE), debug) # Save time+memory by using -O0 instead of -O2.
-    vboxsoap_CXXFLAGS += -O0
+    vboxsoap_CXXFLAGS += -O0 ## @todo this could be interesting for g++ (not clang++): -fcprop-registers
    endif
   endif