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fix corner case in inline (#4726)

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fixes #4725
This commit is contained in:
Alex Lam S.L
2021-03-03 01:18:02 +00:00
committed by GitHub
parent 955411e065
commit 10ca578ee5
4 changed files with 115 additions and 1 deletions
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6
lib/compress.js
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@@ -5210,6 +5210,7 @@ merge(Compressor.prototype, {
OPT(AST_Function, function(self, compressor) {
drop_rest_farg(self, compressor);
self.body = tighten_body(self.body, compressor);
var parent = compressor.parent();
if (compressor.option("inline")) for (var i = 0; i < self.body.length; i++) {
var stat = self.body[i];
if (stat instanceof AST_Directive) continue;
@@ -5231,6 +5232,9 @@ merge(Compressor.prototype, {
return def.scope !== self;
})) break;
}
if (fn.name
&& (parent instanceof AST_ClassMethod || parent instanceof AST_ObjectMethod)
&& parent.value === compressor.self()) break;
if (fn.contains_this()) break;
var len = fn.argnames.length;
if (len > 0 && compressor.option("inline") < 2) break;
@@ -5251,7 +5255,7 @@ merge(Compressor.prototype, {
if (call.args[j].has_side_effects(compressor)) break;
}
if (j < call.args.length) break;
if (len < self.argnames.length && !compressor.drop_fargs(self, compressor.parent())) {
if (len < self.argnames.length && !compressor.drop_fargs(self, parent)) {
if (!compressor.drop_fargs(fn, call)) break;
do {
fn.argnames.push(fn.make_var(AST_SymbolFunarg, fn, "argument_" + len));