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fix corner cases in booleans (#5029)

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fixes #5028
This commit is contained in:
Alex Lam S.L
2021-06-23 00:42:57 +01:00
committed by GitHub
parent 8b05677c15
commit 980dbde171
2 changed files with 84 additions and 3 deletions
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76
test/compress/booleans.js
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@@ -558,3 +558,79 @@ issue_4374: {
}
expect_stdout: "0"
}
issue_5028_1: {
options = {
booleans: true,
conditionals: true,
}
input: {
var a = 1;
console.log(function() {
return a-- ? a-- ? "FAIL 1" : "PASS" : "FAIL 2";
}());
}
expect: {
var a = 1;
console.log(function() {
return a-- ? a-- ? "FAIL 1" : "PASS" : "FAIL 2";
}());
}
expect_stdout: "PASS"
}
issue_5028_2: {
options = {
booleans: true,
conditionals: true,
dead_code: true,
if_return: true,
}
input: {
var a = 1;
(function() {
if (a--)
if (a--)
a = "FAIL";
else
return;
})();
console.log(a);
}
expect: {
var a = 1;
(function() {
a-- && a-- && (a = "FAIL");
})();
console.log(a);
}
expect_stdout: "-1"
}
issue_5028_3: {
options = {
booleans: true,
conditionals: true,
evaluate: true,
if_return: true,
}
input: {
var a = 1;
(function() {
if (a--)
if (a--)
a = "FAIL";
else
return;
})();
console.log(a);
}
expect: {
var a = 1;
(function() {
a-- && a-- && (a = "FAIL");
})();
console.log(a);
}
expect_stdout: "-1"
}