diff options
| -rw-r--r-- | lib/compress.js | 1 | ||||
| -rw-r--r-- | lib/output.js | 2 | ||||
| -rw-r--r-- | test/compress/loops.js | 18 |
3 files changed, 20 insertions, 1 deletions
diff --git a/lib/compress.js b/lib/compress.js index cbcb7b86..3804a932 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -2327,6 +2327,7 @@ merge(Compressor.prototype, { }; OPT(AST_For, function(self, compressor){ + if (is_empty(self.init)) self.init = null; if (!compressor.option("loops")) return self; if (self.condition) { var cond = self.condition.evaluate(compressor); diff --git a/lib/output.js b/lib/output.js index 767abd4d..c0f10523 100644 --- a/lib/output.js +++ b/lib/output.js @@ -799,7 +799,7 @@ function OutputStream(options) { output.print("for"); output.space(); output.with_parens(function(){ - if (self.init && !(self.init instanceof AST_EmptyStatement)) { + if (self.init) { if (self.init instanceof AST_Definitions) { self.init.print(output); } else { diff --git a/test/compress/loops.js b/test/compress/loops.js index b55c6162..c8d77840 100644 --- a/test/compress/loops.js +++ b/test/compress/loops.js @@ -440,3 +440,21 @@ issue_186_beautify_bracketize_ie8: { '}', ] } + +issue_1648: { + options = { + join_vars: true, + loops: true, + passes: 2, + sequences: true, + unused: true, + } + input: { + function f() { + x(); + var b = 1; + while (1); + } + } + expect_exact: "function f(){for(x();1;);}" +} |