minor

bin/uglifyjs2

@@ -105,9 +105,9 @@ if (ARGS.stats) {
 /* -----[ functions ]----- */
 
 function do_file_1(file) {
-    if (ARGS.v) {
-        sys.error("Compressing " + file);
-    }
+    // if (ARGS.v) {
+    //     sys.error("Compressing " + file);
+    // }
     var code = read_whole_file(file);
     var ast;
     time_it("parse", function(){
@@ -134,6 +134,9 @@ function do_file_2(ast) {
 
 function do_file_3(ast) {
     var file = ast.filename;
+    // if (ARGS.v) {
+    //     sys.error("Mangling/generating " + file);
+    // }
     time_it("mangle", function(){
         ast.mangle_names();
     });

lib/compress.js

@@ -617,7 +617,7 @@ function Compressor(options, false_by_default) {
                 if (compressor.option("dead_code")) {
                     var a = [];
                     extract_declarations_from_unreachable_code(compressor, self.body, a);
-                    return make_node(AST_BlockStatement, self, { body: a });
+                    return make_node(AST_BlockStatement, self, { body: a }).optimize(compressor);
                 }
             } else {
                 return self.body;
@@ -626,6 +626,21 @@ function Compressor(options, false_by_default) {
         return self;
     });
 
+    // while(cond){ ... } ==> for(;cond;){ ... }
+    //
+    // not helpful, it seems (output is a bit bigger after gzip)
+    //
+    // AST_While.DEFMETHOD("optimize", function(compressor){
+    //     var self = AST_DWLoop.prototype.optimize.call(this, compressor);
+    //     if (self instanceof AST_While) {
+    //         self = make_node(AST_For, self, {
+    //             condition: self.condition,
+    //             body: self.body
+    //         }).optimize(compressor);
+    //     }
+    //     return self;
+    // });
+
     SQUEEZE(AST_For, function(self, compressor){
         self = self.clone();
         if (self.init) self.init = self.init.squeeze(compressor);