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enhance unused (#3584)

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This commit is contained in:
Alex Lam S.L
2019-11-13 21:44:44 +08:00
committed by GitHub
parent ab15c40770
commit 4bd36dc8da
3 changed files with 78 additions and 51 deletions
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46
test/compress/drop-unused.js
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@@ -1019,14 +1019,21 @@ delete_assign_1: {
console.log(delete (a = 0 / 0));
}
expect: {
console.log((void 0, !0));
console.log((void 0, !0));
console.log((1 / 0, !0));
console.log((1 / 0, !0));
console.log((NaN, !0));
console.log((NaN, !0));
console.log(!0);
console.log(!0);
console.log(!0);
console.log(!0);
console.log(!0);
console.log(!0);
}
expect_stdout: true
expect_stdout: [
"true",
"true",
"true",
"true",
"true",
"true",
]
}
delete_assign_2: {
@@ -1047,14 +1054,21 @@ delete_assign_2: {
console.log(delete (a = 0 / 0));
}
expect: {
console.log((void 0, !0));
console.log((void 0, !0));
console.log((Infinity, !0));
console.log((1 / 0, !0));
console.log((NaN, !0));
console.log((NaN, !0));
console.log(!0);
console.log(!0);
console.log(!0);
console.log(!0);
console.log(!0);
console.log(!0);
}
expect_stdout: true
expect_stdout: [
"true",
"true",
"true",
"true",
"true",
"true",
]
}
drop_var: {
@@ -1635,7 +1649,7 @@ double_assign_2: {
}
expect: {
for (var i = 0; i < 2; i++)
void 0, a = {}, console.log(a);
a = {}, console.log(a);
var a;
}
}
@@ -1716,7 +1730,7 @@ issue_2768: {
}
expect: {
var a = "FAIL";
var c = (d = a, 0, void (d && (a = "PASS")));
var c = (d = a, void (d && (a = "PASS")));
var d;
console.log(a, typeof c);
}