add with strings bug fix

frog/frogsh

 #!/usr/bin/env node
 //  ********** Library dart:core **************
 //  ********** Natives dart:core **************
 /**
  * Generates a dynamic call stub for a function.
  * Our goal is to create a stub method like this on-the-fly:
  *   function($0, $1, capture) { this($0, $1, true, capture); }
  *
  * This stub then replaces the dynamic one on Function, with one that is
  * specialized for that particular function, taking into account its default
@@ skipping 122 matching lines @@
   }
   return ret;
 }
 Object.prototype.$index = function(i) { return this[i]; }
 Array.prototype.$index = function(i) { return this[i]; }
 String.prototype.$index = function(i) { return this[i]; }
 Object.prototype.$setindex = function(i, value) { return this[i] = value; }
 Array.prototype.$setindex = function(i, value) { return this[i] = value; }
 function $add(x, y) {
   return ((typeof(x) == 'number' && typeof(y) == 'number') ||
-          (typeof(x) == 'string' && typeof(y) == 'string'))
+          (typeof(x) == 'string'))
     ? x + y : x.$add(y);
 }
 function $eq(x, y) {
   if (x == null) return y == null;
   return (typeof(x) == 'number' && typeof(y) == 'number') ||
          (typeof(x) == 'boolean' && typeof(y) == 'boolean') ||
          (typeof(x) == 'string' && typeof(y) == 'string')
     ? x == y : x.$eq(y);
 }
 // TODO(jimhug): Should this or should it not match equals?
@@ skipping 12048 matching lines @@
       code = "function $bit_not(x) {\n  return (typeof(x) == 'number') ? ~x : x.$bit_not();\n}";
       break;
 
     case '\$negate':
 
       code = "function $negate(x) {\n  return (typeof(x) == 'number') ? -x : x.$negate();\n}";
       break;
 
     case '\$add':
 
-      code = "function $add(x, y) {\n  return ((typeof(x) == 'number' && typeof(y) == 'number') ||\n          (typeof(x) == 'string' && typeof(y) == 'string'))\n    ? x + y : x.$add(y);\n}";
+      code = "function $add(x, y) {\n  return ((typeof(x) == 'number' && typeof(y) == 'number') ||\n          (typeof(x) == 'string'))\n    ? x + y : x.$add(y);\n}";
       break;
 
     case '\$truncdiv':
 
       this.useThrow = true;
       code = "function $truncdiv(x, y) {\n  if (typeof(x) == 'number' && typeof(y) == 'number') {\n    if (y == 0) $throw(new IntegerDivisionByZeroException());\n    var tmp = x / y;\n    return (tmp < 0) ? Math.ceil(tmp) : Math.floor(tmp);\n  } else {\n    return x.$truncdiv(y);\n  }\n}";
       break;
 
     case '\$mod':
 
@@ skipping 11761 matching lines @@
       NATIVE,
       NEGATE,
       OPERATOR,
       SET,
       SOURCE,
       STATIC,
       TYPEDEF ]*/;
 var $globals = {};
 $static_init();
 main();