--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/desktop/firefox/patches/firefox-27-stacksize.patch	Tue Mar 01 12:56:53 2016 -0800
@@ -0,0 +1,16 @@
+For sparc. Our function frame is very big, so on sparc we need more stack size.
+Potentially send upstream. 
+
+diff --git a/js/src/jsapi.cpp b/js/src/jsapi.cpp
+--- a/js/src/jsapi.cpp
++++ b/js/src/jsapi.cpp
+@@ -1491,6 +1491,9 @@
+ static void
+ SetNativeStackQuotaAndLimit(JSRuntime* rt, StackKind kind, size_t stackSize)
+ {
++#ifdef JS_CPU_SPARC
++    stackSize = stackSize * 8 < 7 * 1024 * 1024 ? stackSize * 8 : 7 * 1024 * 1024;
++#endif
+     rt->nativeStackQuota[kind] = stackSize;
+      
+ #if JS_STACK_GROWTH_DIRECTION > 0