sc: disable function test documents for 32-bit PLATFORMID=linux_x86

Change-Id: I18ee46abbb5de79a35c4c78292dc9d6d43017de2
Reviewed-on: https://gerrit.libreoffice.org/28893Reviewed-by: Eike Rathke <erack@redhat.com>
Tested-by: Eike Rathke <erack@redhat.com>

sc/Module_sc.mk

@@ -64,8 +64,17 @@ $(eval $(call gb_Module_add_slowcheck_targets,sc, \
 	CppunitTest_sc_html_export_test \
 	CppunitTest_sc_opencl_test \
 	CppunitTest_sc_copypaste \
+))
+
+# Various function tests fail in 32-bit linux_x86 build due to dreaded floating
+# point weirdness (x87, registers, compiler optimization, ... whatever),
+# disable them until someone finds a real cure.
+
+ifneq ($(PLATFORMID),linux_x86)
+$(eval $(call gb_Module_add_slowcheck_targets,sc, \
 	CppunitTest_sc_functions_test \
 ))
+endif
 
 # Disabled to allow the check tinderbox execute the sd tests
 # CppunitTest_sc_chart_regression_test \