fix corner case in inline (#5174)

fixes #5173
This commit is contained in:
Alex Lam S.L
2021-11-14 23:14:08 +00:00
committed by GitHub
parent f97e107c09
commit 2d0f8bcff5
2 changed files with 59 additions and 5 deletions

View File

@@ -9601,7 +9601,7 @@ merge(Compressor.prototype, {
if (can_substitute_directly()) {
var args = self.args.slice();
var refs = [];
args.push(value.clone(true).transform(new TreeTransformer(function(node) {
var retValue = value.clone(true).transform(new TreeTransformer(function(node) {
if (node instanceof AST_SymbolRef) {
var def = node.definition();
if (fn.variables.get(node.name) !== def) {
@@ -9615,12 +9615,20 @@ merge(Compressor.prototype, {
var parent = this.parent();
return parent ? maintain_this_binding(compressor, parent, node, arg) : arg;
}
})));
}));
var save_inlined = fn.inlined;
if (exp !== fn) fn.inlined = true;
var node = make_sequence(self, args.filter(function(arg) {
return arg;
})).optimize(compressor);
var exprs = [];
args.forEach(function(arg) {
if (!arg) return;
arg = arg.clone(true);
arg.walk(new TreeWalker(function(node) {
if (node instanceof AST_SymbolRef) refs.push(node);
}));
exprs.push(arg);
}, []);
exprs.push(retValue);
var node = make_sequence(self, exprs).optimize(compressor);
fn.inlined = save_inlined;
node = maintain_this_binding(compressor, parent, current, node);
if (replacing || best_of_expression(node, self) === node) {