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| author | Alex Lam S.L <alexlamsl@gmail.com> | 2020-11-01 17:01:00 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-11-02 01:01:00 +0800 |
| commit | e7643248a314244caeae8464ae5b713ede5b2e3d (patch) | |
| tree | 13efca8e3107c70d0ec65aa2d850fbce0556327b /lib/compress.js | |
| parent | 68091dbf699bc575f73d60fd202c6da3eae4b272 (diff) | |
| download | tracifyjs-e7643248a314244caeae8464ae5b713ede5b2e3d.tar.gz tracifyjs-e7643248a314244caeae8464ae5b713ede5b2e3d.zip | |
fix corner case in `merge_vars` (#4258)
fixes #4257
Diffstat (limited to 'lib/compress.js')
| -rw-r--r-- | lib/compress.js | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/compress.js b/lib/compress.js index 0e8b495f..0c49d49d 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -4502,7 +4502,7 @@ merge(Compressor.prototype, { segment.loop = true; var save = segment; node.body.walk(tw); - if (segment.loop == "c") segment = save; + if (segment.inserted === node) segment = save; node.condition.walk(tw); pop(); return true; @@ -4543,7 +4543,9 @@ merge(Compressor.prototype, { if (node instanceof AST_LabeledStatement) { push(); segment.block = node; + var save = segment; node.body.walk(tw); + if (segment.inserted === node) segment = save; pop(); return true; } @@ -4580,7 +4582,9 @@ merge(Compressor.prototype, { node.body.forEach(function(branch) { push(); segment.block = node; + var save = segment; walk_body(branch, tw); + if (segment.inserted === node) segment = save; pop(); }); return true; @@ -4746,7 +4750,7 @@ merge(Compressor.prototype, { stack.push(segment); pop(); } - segment.loop = "c"; + segment.inserted = segment.block; push(); while (stack.length) { var seg = stack.pop(); |