PGO Related Bugs/Patches

This patch disables the lcms (local color management system) from being optimized if it is not linked into the xul libraray.

diff --git a/modules/lcms/src/Makefile.in b/modules/lcms/src/Makefile.in
--- a/modules/lcms/src/Makefile.in
+++ b/modules/lcms/src/Makefile.in
@@ -57,16 +57,21 @@ endif
 
 ifeq (,$(filter-out WINNT WINCE OS2,$(OS_ARCH)))
 DEFINES	+= -DLCMS_DLL=1 -DLCMS_DLL_BUILD=1
 else
 VISIBILITY_FLAGS =
 endif
 endif
 
+#Disable PGO for this module in non-libxul builds, where it breaks.
+ifndef MOZ_ENABLE_LIBXUL
+NO_PROFILE_GUIDED_OPTIMIZE = 1
+endif
+
 # LCMS is on the critical path, so force it O2 on all platforms
 MODULE_OPTIMIZE_FLAGS=-O2
 
 REQUIRES	= $(LCMS_REQUIRES) \
 		  $(NULL)
 
 CSRCS = cmscnvrt.c cmserr.c cmsgamma.c cmsgmt.c cmsintrp.c cmsio1.c \
 	cmslut.c cmsmatsh.c cmsmtrx.c cmspack.c cmspcs.c cmswtpnt.c \