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| author | Alex Lam S.L <alexlamsl@gmail.com> | 2020-07-28 20:11:02 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-07-29 03:11:02 +0800 |
| commit | dfe47bcc42d0385577ecffa7fe312025e1369e7b (patch) | |
| tree | 8d1e86310aa579611771c0357c3abe5d0d66327a /lib/compress.js | |
| parent | 6d3dcaa59e5b7a6e3bef2de1daf4edd66a7bf274 (diff) | |
| download | tracifyjs-dfe47bcc42d0385577ecffa7fe312025e1369e7b.tar.gz tracifyjs-dfe47bcc42d0385577ecffa7fe312025e1369e7b.zip | |
fix corner case in `ie8` & `reduce_vars` (#4029)
fixes #4028
Diffstat (limited to 'lib/compress.js')
| -rw-r--r-- | lib/compress.js | 3 |
1 files changed, 2 insertions, 1 deletions
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), |