diff options
-rw-r--r-- | lib/compress.js | 1 | ||||
-rw-r--r-- | test/compress/pure_funcs.js | 26 |
2 files changed, 27 insertions, 0 deletions
diff --git a/lib/compress.js b/lib/compress.js index 4dae2a9f..09eaacbf 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -4030,6 +4030,7 @@ merge(Compressor.prototype, { if (stat instanceof AST_Return) { var call = stat.value; if (!call || call.TYPE != "Call") break; + if (call.is_expr_pure(compressor)) break; var fn = call.expression; if (fn instanceof AST_SymbolRef) { if (self.name && self.name.definition() === fn.definition()) break; diff --git a/test/compress/pure_funcs.js b/test/compress/pure_funcs.js index 48140dd6..2ca21d00 100644 --- a/test/compress/pure_funcs.js +++ b/test/compress/pure_funcs.js @@ -680,3 +680,29 @@ issue_3325_2: { } expect_stdout: "PASS" } + +issue_3858: { + options = { + collapse_vars: true, + inline: true, + keep_fargs: "strict", + unused: true, + } + input: { + var f = function(a) { + return /*@__PURE__*/ function(b) { + console.log(b); + }(a); + }; + f("PASS"); + } + expect: { + var f = function(a) { + return function() { + console.log(a); + }(); + }; + f("PASS"); + } + expect_stdout: "PASS" +} |