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| author | Alex Lam S.L <alexlamsl@gmail.com> | 2020-11-19 00:34:55 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-11-19 08:34:55 +0800 |
| commit | 134ef0b1eb5e7ec0fc02e3aa0f36e319b4b82ac4 (patch) | |
| tree | b815d719af7dc5d56f5f5508f5b39778eb03c0fd /lib | |
| parent | db87dcf13e69cecd0f6153f65ab9aab81cffd574 (diff) | |
| download | tracifyjs-134ef0b1eb5e7ec0fc02e3aa0f36e319b4b82ac4.tar.gz tracifyjs-134ef0b1eb5e7ec0fc02e3aa0f36e319b4b82ac4.zip | |
fix corner case in `dead_code` (#4304)
Diffstat (limited to 'lib')
| -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 acd15f5e..f5dd73cc 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -7027,7 +7027,8 @@ merge(Compressor.prototype, { OPT(AST_Try, function(self, compressor) { self.body = tighten_body(self.body, compressor); if (compressor.option("dead_code")) { - if (has_declarations_only(self)) { + if (has_declarations_only(self) + && !(self.bcatch && self.bcatch.argname && !can_drop_symbol(self.bcatch.argname))) { var body = []; if (self.bcatch) { extract_declarations_from_unreachable_code(compressor, self.bcatch, body); |