From dfe47bcc42d0385577ecffa7fe312025e1369e7b Mon Sep 17 00:00:00 2001 From: "Alex Lam S.L" Date: Tue, 28 Jul 2020 20:11:02 +0100 Subject: fix corner case in `ie8` & `reduce_vars` (#4029) fixes #4028 --- lib/compress.js | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'lib/compress.js') diff --git a/lib/compress.js b/lib/compress.js index c8f5b267..d439ed4c 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -600,6 +600,7 @@ merge(Compressor.prototype, { return node.right; }; } else { + if (d.single_use) d.single_use = false; sym.fixed = d.fixed = function() { return make_node(AST_Binary, node, { operator: node.operator.slice(0, -1), @@ -894,9 +895,9 @@ merge(Compressor.prototype, { d.assignments++; var fixed = d.fixed; if (safe_to_read(tw, d) && safe_to_assign(tw, d)) { - if (d.single_use) d.single_use = false; push_ref(d, exp); mark(tw, d); + if (d.single_use) d.single_use = false; d.fixed = function() { return make_node(AST_Binary, node, { operator: node.operator.slice(0, -1), -- cgit v1.2.3