cljs defrecord with IFn variable scope issues when destructuring.

gistfile1.diff

-cambia.timeline.record.thing.prototype.call = (function (tsym33020,p__33021){
-var vec__33022__33023 = p__33021;
-var x__33024 = cljs.core.nth.call(null,vec__33022__33023,0,null);
-var y__33025 = cljs.core.nth.call(null,vec__33022__33023,1,null);
-
-var tsym33020__33026 = this;
-
-var ___33027 = tsym33020__33026;
-
-console.log(x__33024);
-console.log(y__33025);
-console.log(cambia.timeline.record.a);
+cambia.timeline.record.thing.prototype.call = (function (tsym30185,z){
+var this__30186 = this;
+var tsym30185__30187 = this;
+
+var ___30188 = tsym30185__30187;
+
+console.log(cambia.timeline.record.x);
+console.log(cambia.timeline.record.y);
+console.log(this__30186.a);