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| author | Alex Lam S.L <alexlamsl@gmail.com> | 2021-01-07 07:05:48 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-01-07 15:05:48 +0800 |
| commit | cf1b0165af4a181e8af6365eddbb144ce0d45da3 (patch) | |
| tree | 6c3a8613990feef0f84e68bfa42216f734bedc3f /lib | |
| parent | c3d358a5b8e00c51ba7a2e9d8c25b7771f5f5a46 (diff) | |
| download | tracifyjs-cf1b0165af4a181e8af6365eddbb144ce0d45da3.tar.gz tracifyjs-cf1b0165af4a181e8af6365eddbb144ce0d45da3.zip | |
fix corner case in `hoist_vars` (#4518)
fixes #4517
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/compress.js | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/compress.js b/lib/compress.js index 4bc57012..fd0564cb 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -7700,6 +7700,7 @@ merge(Compressor.prototype, { def.references.push(name); } def.eliminated++; + def.single_use = false; return a; }, []); if (assignments.length == 0) return null; @@ -9702,7 +9703,8 @@ merge(Compressor.prototype, { } })); } else { - value = fixed.optimize(compressor).transform(new TreeTransformer(function(node, descend) { + value = fixed.optimize(compressor); + if (value === fixed) value = value.transform(new TreeTransformer(function(node, descend) { if (node instanceof AST_Scope) return node; node = node.clone(); descend(node, this); |