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avoid arguments and eval in reduce_vars (#1924)

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fixes #1922
This commit is contained in:
Alex Lam S.L
2017-05-12 12:34:55 +08:00
committed by alexlamsl
parent aa7e8783f8
commit f631d6437a
2 changed files with 63 additions and 10 deletions
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57
test/compress/reduce_vars.js
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@@ -41,22 +41,22 @@ reduce_vars: {
var A = 1;
(function() {
console.log(-3);
console.log(-4);
console.log(A - 5);
})();
(function f1() {
var a = 2;
console.log(-3);
console.log(a - 5);
eval("console.log(a);");
})();
(function f2(eval) {
var a = 2;
console.log(-3);
console.log(a - 5);
eval("console.log(a);");
})(eval);
(function() {
return "yes";
})();
console.log(2);
console.log(A + 1);
}
expect_stdout: true
}
@@ -1732,7 +1732,10 @@ redefine_arguments_3: {
console.log(function() {
var arguments;
return typeof arguments;
}(), "number", "undefined");
}(), "number", function(x) {
var arguments = x;
return typeof arguments;
}());
}
expect_stdout: "object number undefined"
}
@@ -2122,3 +2125,47 @@ issue_1865: {
}
expect_stdout: true
}
issue_1922_1: {
options = {
evaluate: true,
reduce_vars: true,
unused: true,
}
input: {
console.log(function(a) {
arguments[0] = 2;
return a;
}(1));
}
expect: {
console.log(function(a) {
arguments[0] = 2;
return a;
}(1));
}
expect_stdout: "2"
}
issue_1922_2: {
options = {
evaluate: true,
reduce_vars: true,
unused: true,
}
input: {
console.log(function() {
var a;
eval("a = 1");
return a;
}(1));
}
expect: {
console.log(function() {
var a;
eval("a = 1");
return a;
}(1));
}
expect_stdout: "1"
}