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fix corner case in unsafe_regexp (#3609)

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This commit is contained in:
Alex Lam S.L
2019-11-27 17:35:21 +08:00
committed by GitHub
parent e27493f3c2
commit d4b7010678
3 changed files with 157 additions and 11 deletions
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46
test/compress/collapse_vars.js
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@@ -1633,21 +1633,32 @@ collapse_vars_regexp: {
return rx.exec(s);
};
}
function f3() {
var rx = /ab*/g;
return function() {
return rx;
};
}
(function() {
var result;
var s = 'acdabcdeabbb';
var s = "acdabcdeabbb";
var rx = /ab*/g;
while (result = rx.exec(s)) {
while (result = rx.exec(s))
console.log(result[0]);
}
})();
(function() {
var result;
var s = 'acdabcdeabbb';
var s = "acdabcdeabbb";
var rx = f2();
while (result = rx(s)) {
while (result = rx(s))
console.log(result[0]);
})();
(function() {
var result;
var s = "acdabcdeabbb";
var rx = f3();
while (result = rx().exec(s))
console.log(result[0]);
}
})();
}
expect: {
@@ -1660,6 +1671,12 @@ collapse_vars_regexp: {
return rx.exec(s);
};
}
function f3() {
var rx = /ab*/g;
return function() {
return rx;
};
}
(function() {
var result, rx = /ab*/g;
while (result = rx.exec("acdabcdeabbb"))
@@ -1670,8 +1687,23 @@ collapse_vars_regexp: {
while (result = rx("acdabcdeabbb"))
console.log(result[0]);
})();
(function() {
var result, rx = f3();
while (result = rx().exec("acdabcdeabbb"))
console.log(result[0]);
})();
}
expect_stdout: true
expect_stdout: [
"a",
"ab",
"abbb",
"a",
"ab",
"abbb",
"a",
"ab",
"abbb",
]
}
issue_1537: {