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fix corner case in inline (#3595)

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This commit is contained in:
Alex Lam S.L
2019-11-18 15:04:55 +08:00
committed by GitHub
parent 644f65feca
commit 4e06e1ca34
2 changed files with 94 additions and 6 deletions
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19
lib/compress.js
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@@ -862,13 +862,9 @@ merge(Compressor.prototype, {
AST_Toplevel.DEFMETHOD("reset_opt_flags", function(compressor) {
var tw = new TreeWalker(compressor.option("reduce_vars") ? function(node, descend) {
node._squeezed = false;
node._optimized = false;
reset_flags(node);
return node.reduce_vars(tw, descend, compressor);
} : function(node) {
node._squeezed = false;
node._optimized = false;
});
} : reset_flags);
// Flow control for visiting `AST_Defun`s
tw.defun_ids = Object.create(null);
tw.defun_visited = Object.create(null);
@@ -881,6 +877,12 @@ merge(Compressor.prototype, {
// - backup & restore via `save_ids` when visiting out-of-order sections
tw.safe_ids = Object.create(null);
this.walk(tw);
function reset_flags(node) {
node._squeezed = false;
node._optimized = false;
if (node instanceof AST_Scope) delete node._var_names;
}
});
AST_Symbol.DEFMETHOD("fixed_value", function(final) {
@@ -5582,6 +5584,11 @@ merge(Compressor.prototype, {
definitions: decls
}));
[].splice.apply(scope.body, args);
fn.enclosed.forEach(function(def) {
if (scope.var_names()[def.name]) return;
scope.enclosed.push(def);
scope.var_names()[def.name] = true;
});
return expressions;
}
});