fixed #178

Author: satyr

lib/ast.js

@@ -1858,7 +1858,7 @@ exports.Assign = Assign = (function(superclass){
     if (this['void'] || !o.level) {
       return Parens(Binary('||', test, put)).compile(o);
     }
-    ref$ = test.second.cache(o, true), test.second = ref$[0], left = ref$[1];
+    ref$ = test.first.cache(o, true), test.first = ref$[0], left = ref$[1];
     return If(test, left).addElse(put).compileExpression(o);
   };
   prototype.compileDestructuring = function(o, left){

src/ast.co

@@ -1121,7 +1121,7 @@ class exports.Assign extends Node
     # `a <?= b` => `a <= b || a = b `
     return Parens(Binary \|| test, put)compile o if @void or not o.level
     # `r = a <?= b` => `r = if a <= b then a else a = b`
-    [test.second, left] = test.second.cache o, true
+    [test.first, left] = test.first.cache o, true
     If test, left .addElse put .compileExpression o
 
   # Implementation of recursive destructuring,

test/operator.co

@@ -402,7 +402,8 @@ u <?= 9
 u >?= 0
 eq 9, u
 
-eq 99, u >?= 99
+eq 99, u >?= 33*3
+eq 99, u <?= 33*4
 eq 99, u
 
 o = a: 9, b: 0