diff options
| -rw-r--r-- | lib/compress.js | 6 | ||||
| -rw-r--r-- | test/compress/sequences.js | 24 |
2 files changed, 28 insertions, 2 deletions
diff --git a/lib/compress.js b/lib/compress.js index 8467f96c..a617adbe 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -2542,7 +2542,6 @@ merge(Compressor.prototype, { continue; } } - var case_side_effects = branch instanceof AST_Case && branch.expression.has_side_effects(compressor); if (aborts(branch)) { var block = make_node(AST_BlockStatement, branch, branch).print_to_string(); if (!fallthrough && prev_block === block) body[body.length - 1].body = []; @@ -2946,7 +2945,10 @@ merge(Compressor.prototype, { field = "left"; } } else if (cdr instanceof AST_Call - || cdr instanceof AST_Unary && cdr.operator != "++" && cdr.operator != "--") { + || cdr instanceof AST_Unary + && cdr.operator != "delete" + && cdr.operator != "++" + && cdr.operator != "--") { field = "expression"; } else break; parent = cdr; diff --git a/test/compress/sequences.js b/test/compress/sequences.js index 49b61ae0..af6e0c36 100644 --- a/test/compress/sequences.js +++ b/test/compress/sequences.js @@ -306,3 +306,27 @@ unsafe_undefined: { } } } + +issue_1685: { + options = { + cascade: true, + side_effects: true, + } + input: { + var a = 100, b = 10; + function f() { + var a = (a--, delete a && --b); + } + f(); + console.log(a, b); + } + expect: { + var a = 100, b = 10; + function f() { + var a = (a--, delete a && --b); + } + f(); + console.log(a, b); + } + expect_stdout: true +} |