For sparc. Our function frame is very big, so on sparc we need more stack size.
Potentially send upstream.

--- comm-esr31/mozilla/js/src/jsapi.cpp.orig	2015-06-04 17:42:52.465842609 -0700
+++ comm-esr31/mozilla/js/src/jsapi.cpp	2015-06-04 17:42:52.468887397 -0700
@@ -2120,6 +2120,9 @@
 static void
 SetNativeStackQuota(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 (rt->nativeStackBase)
         RecomputeStackLimit(rt, kind);