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fix corner cases related to AST_Hole (#3994)

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This commit is contained in:
Alex Lam S.L
2020-06-13 15:24:57 +01:00
committed by GitHub
parent 3188db7b90
commit 9e881407bd
3 changed files with 60 additions and 37 deletions
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20
test/compress/properties.js
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@@ -1046,16 +1046,22 @@ array_hole: {
side_effects: true,
}
input: {
console.log(
[ 1, 2, , 3][1],
[ 1, 2, , 3][2],
[ 1, 2, , 3][3]
);
Array.prototype[2] = "PASS";
console.log([ 1, 2, , 3 ][1]);
console.log([ 1, 2, , 3 ][2]);
console.log([ 1, 2, , 3 ][3]);
}
expect: {
console.log(2, void 0, 3);
Array.prototype[2] = "PASS";
console.log(2);
console.log([ , , , ][2]);
console.log(3);
}
expect_stdout: "2 undefined 3"
expect_stdout: [
"2",
"PASS",
"3",
]
}
new_this: {