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| author | Alex Lam S.L <alexlamsl@gmail.com> | 2021-03-04 09:13:54 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-03-04 17:13:54 +0800 |
| commit | cb50a2d192ef8be1aac7577d6ec9c06f27b71232 (patch) | |
| tree | 88f4fbed080062cd6b9bbb184af4b6490fcacb0c /lib/compress.js | |
| parent | 20be5209c08f95802198c7a5d3acd0767fcd4e70 (diff) | |
| download | tracifyjs-cb50a2d192ef8be1aac7577d6ec9c06f27b71232.tar.gz tracifyjs-cb50a2d192ef8be1aac7577d6ec9c06f27b71232.zip | |
fix corner case in `collapse_vars` (#4733)
fixes #4732
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 ed048593..6a59a9d5 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -2675,9 +2675,10 @@ merge(Compressor.prototype, { if (hit_index <= end) return handle_custom_scan_order(node, tt); hit = true; if (node instanceof AST_VarDef) { - node.value = null; declare_only[node.name.name] = (declare_only[node.name.name] || 0) + 1; if (value_def) value_def.replaced++; + node = node.clone(); + node.value = null; return node; } return in_list ? List.skip : null; |