Bug 711563 - compact function specs; r=jorendorff

js/xpconnect/src/XPCQuickStubs.h

@@ -59,8 +59,8 @@ struct xpc_qsPropertySpec {
 
 struct xpc_qsFunctionSpec {
     uint16_t name_index;
+    uint16_t arity;
     JSNative native;
-    uintN arity;
 };
 
 /** A table mapping interfaces to quick stubs. */

js/xpconnect/src/qsgen.py

@@ -1107,8 +1107,8 @@ def writeMethodStub(f, customMethodCalls, stringtable, method):
     stubName = method.iface.name + '_' + header.methodNativeName(method)
     if not custom:
         writeQuickStub(f, customMethodCalls, method, stubName)
-    fs = '{%d, %s, %d}' % (stringtable.stringIndex(method.name),
-                           stubName, len(method.params))
+    fs = '{%d, %d, %s}' % (stringtable.stringIndex(method.name),
+                           len(method.params), stubName)
     return fs
 
 def writeStubsForInterface(f, customMethodCalls, stringtable, iface):