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| author | Alex Lam S.L <alexlamsl@gmail.com> | 2017-06-07 19:52:01 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-06-07 19:52:01 +0800 |
| commit | 9db0695b10799349c005fc14ab1268c2478c25fd (patch) | |
| tree | b55efd0fb46d3bb2d94ca924a14cd8943bf4ff4a /lib/compress.js | |
| parent | f2af0934021a83b781f207432d10380cc4c5f396 (diff) | |
| download | tracifyjs-9db0695b10799349c005fc14ab1268c2478c25fd.tar.gz tracifyjs-9db0695b10799349c005fc14ab1268c2478c25fd.zip | |
fix `cascade` on multi-branch evaluations (#2067)
Partially reverts #2059 as this has better coverage and performance.
fixes #2062
Diffstat (limited to 'lib/compress.js')
| -rw-r--r-- | lib/compress.js | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/compress.js b/lib/compress.js index e3846c31..81b9ccac 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -3187,17 +3187,16 @@ merge(Compressor.prototype, { if (exp.argnames.length > 0) { fn.body.push(make_node(AST_Var, self, { definitions: exp.argnames.map(function(sym, i) { - var arg = self.args[i]; return make_node(AST_VarDef, sym, { name: sym, - value: arg ? arg.clone(true) : make_node(AST_Undefined, self) + value: self.args[i] || make_node(AST_Undefined, self) }); }) })); } if (self.args.length > exp.argnames.length) { fn.body.push(make_node(AST_SimpleStatement, self, { - body: make_sequence(self, self.args.slice(exp.argnames.length)).clone(true) + body: make_sequence(self, self.args.slice(exp.argnames.length)) })); } fn.body.push(make_node(AST_Return, self, { @@ -3316,6 +3315,7 @@ merge(Compressor.prototype, { continue; } var parent = null, field; + expressions[j] = cdr = cdr.clone(); while (true) { if (cdr.equivalent_to(left)) { var car = expressions[i]; @@ -3352,7 +3352,7 @@ merge(Compressor.prototype, { break; } parent = cdr; - cdr = cdr[field]; + cdr = cdr[field] = cdr[field].clone(); } } end = i; |