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| author | Alex Lam S.L <alexlamsl@gmail.com> | 2020-09-26 08:31:33 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-09-26 15:31:33 +0800 |
| commit | b4ff6d0f2da3f094cf1bb4897a2dc67ad4f3efa5 (patch) | |
| tree | a4ac8b3aed1a702275516c41e93aae1fb5969e8b /lib | |
| parent | 9882a9f4af95af4b0cba0a4a60a695ba2f6de04d (diff) | |
| download | tracifyjs-b4ff6d0f2da3f094cf1bb4897a2dc67ad4f3efa5.tar.gz tracifyjs-b4ff6d0f2da3f094cf1bb4897a2dc67ad4f3efa5.zip | |
fix corner cases in `functions` & `merge_vars` (#4156)
fixes #4155
Diffstat (limited to 'lib')
| -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 3f7eee68..25a993f6 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -4449,7 +4449,9 @@ merge(Compressor.prototype, { segment.block = node; walk_body(node, tw); if (node.bcatch) { - references[node.bcatch.argname.definition().id] = false; + var def = node.bcatch.argname.definition(); + references[def.id] = false; + if (def = def.redefined()) references[def.id] = false; pop(); push(); walk_body(node.bcatch, tw); @@ -4843,8 +4845,10 @@ merge(Compressor.prototype, { && !compressor.option("ie8") && var_defs.length == 1 && sym.assignments == 0 - && def.value === def.name.fixed_value() && def.value instanceof AST_Function + && (sym.references.length ? all(sym.references, function(ref) { + return def.value === ref.fixed_value(); + }) : def.value === def.name.fixed_value()) && (!def.value.name || (old_def = def.value.name.definition()).assignments == 0 && (old_def.name == def.name.name || all(old_def.references, function(ref) { return ref.scope.find_variable(def.name) === def.name.definition(); |