--- a/libraries/source/spidermonkey/build.sh	2015-11-05 01:31:26.204848864 +0100
+++ a/libraries/source/spidermonkey/build.sh	2015-11-05 01:32:31.717771625 +0100
@@ -84,6 +84,9 @@ 
 # It makes quite a big difference for performance.
 # https://bugzilla.mozilla.org/show_bug.cgi?id=1046176
 patch -p1 -i ../FixForOfBailouts.diff
+
+# don't return nullptrs in bool functions
+patch -p1 -i ../bool-nullptr-return.diff
 cd ..
 
 # Clean up header files that may be left over by earlier versions of SpiderMonkey
--- /dev/null	2015-11-02 02:46:51.863218540 +0100
+++ 	2015-11-05 01:46:16.839831506 +0100