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fix corner case in inline (#5068)

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fixes #5067
This commit is contained in:
Alex Lam S.L
2021-07-10 21:11:10 +01:00
committed by GitHub
parent aae1fcd12d
commit d147d5d7f0
2 changed files with 17 additions and 2 deletions
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4
lib/compress.js
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@@ -2207,7 +2207,7 @@ merge(Compressor.prototype, {
fn = fn.fixed_value(); fn = fn.fixed_value();
} }
if (!(fn instanceof AST_Lambda)) return !node.is_expr_pure(compressor); if (!(fn instanceof AST_Lambda)) return !node.is_expr_pure(compressor);
if (def && recursive_ref(compressor, def)) return true; if (def && recursive_ref(compressor, def, fn)) return true;
if (fn.collapse_scanning) return false; if (fn.collapse_scanning) return false;
fn.collapse_scanning = true; fn.collapse_scanning = true;
var replace = can_replace; var replace = can_replace;
@@ -9481,7 +9481,7 @@ merge(Compressor.prototype, {
&& !fn.uses_arguments && !fn.uses_arguments
&& !fn.pinned() && !fn.pinned()
&& !(fn.name && fn instanceof AST_LambdaExpression) && !(fn.name && fn instanceof AST_LambdaExpression)
&& (exp === fn || !recursive_ref(compressor, def = exp.definition()) && (exp === fn || !recursive_ref(compressor, def = exp.definition(), fn)
&& fn.is_constant_expression(find_scope(compressor))) && fn.is_constant_expression(find_scope(compressor)))
&& !has_spread && !has_spread
&& (value = can_flatten_body(stat)) && (value = can_flatten_body(stat))

15
test/compress/functions.js
View File

@@ -6398,3 +6398,18 @@ issue_5061_2: {
"bar", "bar",
] ]
} }
issue_5067: {
options = {
inline: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var f = function() {
f();
};
}
expect: {}
}