test case for issue #1333

b.js

var browserify = require('browserify');
var async = require('async');
var heapdump = require('heapdump');
var memwatch = require('memwatch');
// memwatch.on('stats', function(stats) { console.log( stats.usage_trend ) });
// memwatch.on('leak', function(info) { console.log( info ) });

var paths = [ 
	'./views/demo1/demo1.js',
	'./views/demo2/demo2.js'
];
var i = 1;
var flag = false;
async.eachSeries( paths, function( p, cb ) {
	if( flag ) global.gc();
	
	var b = browserify( { entries : p } );
	b.bundle( function( err, buf ) {
		console.log( buf.toString() );
		console.log( "\n");
		delete( buf );
		delete(b);
		// DEBUG
		heapdump.writeSnapshot('./' + Date.now() + '.b'+i+'.heapsnapshot');
		i++;
		flag = true;
		return cb();		
	} );

} );

base.js

module.exports = function baseModule(){
	return { a: 1};
};

demo1.js

var i = 1;
var base1 = require( '../base' );
var _ = require( 'underscore' );
var nunjucks = require( 'nunjucks' );

demo2.js

var i = 2;
var base2 = require( '../base' );