diff options
| -rw-r--r-- | lib/compress.js | 4 | ||||
| -rw-r--r-- | test/compress/rests.js | 19 |
2 files changed, 21 insertions, 2 deletions
diff --git a/lib/compress.js b/lib/compress.js index 5526972f..e9985540 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -7778,8 +7778,9 @@ merge(Compressor.prototype, { if (!all(args, function(arg) { return !(arg instanceof AST_Spread); })) return; + var is_iife = fn === exp && !fn.name; if (fn.rest) { - if (!compressor.option("rests")) return; + if (!(is_iife && compressor.option("rests"))) return; var insert = fn.argnames.length; for (var i = args.length; i < insert; i++) { args[i] = make_node(AST_Undefined, call).optimize(compressor); @@ -7789,7 +7790,6 @@ merge(Compressor.prototype, { fn.rest = null; } var pos = 0, last = 0; - var is_iife = fn === exp && !fn.name; var drop_defaults = is_iife && compressor.option("default_values"); var drop_fargs = is_iife && compressor.drop_fargs(fn, call) ? function(argname, arg) { if (!argname) return true; diff --git a/test/compress/rests.js b/test/compress/rests.js index f3c2af95..e322112c 100644 --- a/test/compress/rests.js +++ b/test/compress/rests.js @@ -525,3 +525,22 @@ issue_4525_2: { expect_stdout: "PASS" node_version: ">=6" } + +issue_4538: { + options = { + rests: true, + unused: true, + } + input: { + console.log(typeof function f(...a) { + return a.p, f; + }()()); + } + expect: { + console.log(typeof function f(...a) { + return a.p, f; + }()()); + } + expect_stdout: "function" + node_version: ">=6" +} |