How to compile ES6 deconstruction code>

[dshouhou]

Hello,

I have a code：
let {a, b, c, d = 1} = {a : 1,b : 2, c : 3};
I use sencha to compile:
sencha -sdk ext ^
compile -classpath=aaaaa.js ^
exclude -namespace Ext and concat main-debug.js >> compile.log

And then reported an error:
com.sencha.tools.compiler.ast.js.DefaultParameter cannot be cast to com.sencha.tools.compiler.ast.js.ObjectProperty

Why does the compiler report this error. The above code is valid ES6 code, "d" is default value. I hope someone will answer this question, thanks very much.

[lovelyhibabe]

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