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fix corner case in reuse of mangle options (#3062)

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This commit is contained in:
Alex Lam S.L
2018-04-08 02:29:37 +08:00
committed by GitHub
parent 8d0b00317e
commit e5f6a88233
1 changed files with 4 additions and 4 deletions
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8
lib/scope.js
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@@ -344,7 +344,7 @@ function next_mangled_name(scope, options, def) {
}
while (true) {
name = base54(++scope.cname);
if (in_use[name] || !is_identifier(name) || options._reserved[name]) continue;
if (in_use[name] || !is_identifier(name) || options.reserved.has[name]) continue;
if (!names[name]) break;
holes.push(scope.cname);
}
@@ -387,7 +387,7 @@ function _default_mangler_options(options) {
if (!Array.isArray(options.reserved)) options.reserved = [];
// Never mangle arguments
push_uniq(options.reserved, "arguments");
options._reserved = makePredicate(options.reserved);
options.reserved.has = makePredicate(options.reserved);
return options;
}
@@ -453,7 +453,7 @@ AST_Toplevel.DEFMETHOD("mangle_names", function(options){
redefined.forEach(mangle);
function mangle(def) {
if (options._reserved[def.name]) return;
if (options.reserved.has[def.name]) return;
def.mangle(options);
}
});
@@ -504,7 +504,7 @@ AST_Toplevel.DEFMETHOD("expand_names", function(options) {
function rename(def) {
if (def.global && options.cache) return;
if (def.unmangleable(options)) return;
if (options._reserved[def.name]) return;
if (options.reserved.has[def.name]) return;
var d = def.redefined();
def.name = d ? d.name : next_name();
def.orig.forEach(function(sym) {