From 18c2b1841bf0bfa6c827eed53238d0499c143b23 Mon Sep 17 00:00:00 2001 From: "Alex Lam S.L" Date: Tue, 10 Dec 2019 09:45:51 +0000 Subject: fix corner case in `reduce_vars` (#3632) fixes #3631 --- test/compress/reduce_vars.js | 46 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) (limited to 'test') diff --git a/test/compress/reduce_vars.js b/test/compress/reduce_vars.js index 443c347d..5984042f 100644 --- a/test/compress/reduce_vars.js +++ b/test/compress/reduce_vars.js @@ -6801,3 +6801,49 @@ issue_3622: { } expect_stdout: "PASS" } + +issue_3631_1: { + options = { + evaluate: true, + reduce_vars: true, + toplevel: true, + } + input: { + var c = 0; + L: do { + for (;;) continue L; + var b = 1; + } while (b && c++); + console.log(c); + } + expect: { + var c = 0; + L: do { + for (;;) continue L; + var b = 1; + } while (b && c++); + console.log(c); + } + expect_stdout: "0" +} + +issue_3631_2: { + options = { + reduce_vars: true, + toplevel: true, + unused: true, + } + input: { + L: for (var a = 1; a--; console.log(b)) { + for (;;) continue L; + var b = "FAIL"; + } + } + expect: { + L: for (var a = 1; a--; console.log(b)) { + for (;;) continue L; + var b = "FAIL"; + } + } + expect_stdout: "undefined" +} -- cgit v1.2.3