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fix corner case in varify (#5698)

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fixes #5697
This commit is contained in:
Alex Lam S.L
2022-10-04 09:03:24 +01:00
committed by GitHub
parent 58d997a3d6
commit be8ccc3ab5
2 changed files with 165 additions and 4 deletions
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162
test/compress/varify.js
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@@ -682,3 +682,165 @@ issue_5516: {
expect_stdout: "function"
node_version: ">=4"
}
issue_5697_1: {
options = {
if_return: true,
inline: true,
reduce_vars: true,
unused: true,
varify: true,
}
input: {
console.log(function() {
f();
return typeof a;
function f() {
(function() {
for (var k in { foo: 42 }) {
const a = k;
console.log(a);
}
})();
}
}());
}
expect: {
console.log(function() {
(function() {
for (var k in { foo: 42 }) {
var a = k;
console.log(a);
}
})();
return typeof a;
}());
}
expect_stdout: [
"foo",
"undefined",
]
}
issue_5697_2: {
options = {
if_return: true,
inline: true,
reduce_vars: true,
unused: true,
varify: true,
}
input: {
"use strict";
console.log(function() {
f();
return typeof a;
function f() {
(function() {
for (var k in { foo: 42 }) {
let a = k;
console.log(a);
}
})();
}
}());
}
expect: {
"use strict";
console.log(function() {
(function() {
for (var k in { foo: 42 }) {
var a = k;
console.log(a);
}
})();
return typeof a;
}());
}
expect_stdout: [
"foo",
"undefined",
]
node_version: ">=4"
}
issue_5697_3: {
options = {
inline: true,
reduce_vars: true,
side_effects: true,
unused: true,
varify: true,
}
input: {
console.log(function() {
f();
return typeof a;
function f() {
(function() {
for (var k in { foo: 42 }) {
const a = k;
console.log(a);
}
})();
}
}());
}
expect: {
console.log(function() {
(function() {
for (var k in { foo: 42 }) {
var a = k;
console.log(a);
}
})();
return typeof a;
}());
}
expect_stdout: [
"foo",
"undefined",
]
}
issue_5697_4: {
options = {
inline: true,
reduce_vars: true,
side_effects: true,
unused: true,
varify: true,
}
input: {
"use strict";
console.log(function() {
f();
return typeof a;
function f() {
(function() {
for (var k in { foo: 42 }) {
let a = k;
console.log(a);
}
})();
}
}());
}
expect: {
"use strict";
console.log(function() {
(function() {
for (var k in { foo: 42 }) {
var a = k;
console.log(a);
}
})();
return typeof a;
}());
}
expect_stdout: [
"foo",
"undefined",
]
node_version: ">=4"
}