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fix corner case in reduce_vars (#3241)

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fixes #3240
This commit is contained in:
Alex Lam S.L
2018-08-29 22:14:25 +08:00
committed by GitHub
parent f352bcec3a
commit aa0029204e
2 changed files with 183 additions and 27 deletions
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157
test/compress/reduce_vars.js
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@@ -5354,6 +5354,7 @@ issue_2774: {
issue_2799_1: {
options = {
passes: 2,
reduce_funcs: true,
reduce_vars: true,
unused: true,
@@ -6429,3 +6430,159 @@ issue_3140_5: {
}
expect_stdout: "1"
}
issue_3240_1: {
options = {
reduce_funcs: true,
reduce_vars: true,
unused: true,
}
input: {
(function() {
f(1);
function f(a) {
console.log(a);
var g = function() {
f(a - 1);
};
if (a) g();
}
})();
}
expect: {
(function() {
(function f(a) {
console.log(a);
var g = function() {
f(a - 1);
};
if (a) g();
})(1);
})();
}
expect_stdout: [
"1",
"0",
]
}
issue_3240_2: {
options = {
passes: 2,
reduce_funcs: true,
reduce_vars: true,
unused: true,
}
input: {
(function() {
f(1);
function f(a) {
console.log(a);
var g = function() {
f(a - 1);
};
if (a) g();
}
})();
}
expect: {
(function() {
(function f(a) {
console.log(a);
if (a) (function() {
f(a - 1);
})();
})(1);
})();
}
expect_stdout: [
"1",
"0",
]
}
issue_3240_3: {
options = {
reduce_funcs: true,
reduce_vars: true,
unused: true,
}
input: {
(function() {
f();
function f(b) {
if (!f.a) f.a = 0;
console.log(f.a.toString());
var g = function() {
(b ? function() {} : function() {
f.a++;
f(1);
})();
};
g();
}
})();
}
expect: {
(function() {
(function f(b) {
if (!f.a) f.a = 0;
console.log(f.a.toString());
var g = function() {
(b ? function() {} : function() {
f.a++;
f(1);
})();
};
g();
})();
})();
}
expect_stdout: [
"0",
"1",
]
}
issue_3240_4: {
options = {
passes: 2,
reduce_funcs: true,
reduce_vars: true,
unused: true,
}
input: {
(function() {
f();
function f(b) {
if (!f.a) f.a = 0;
console.log(f.a.toString());
var g = function() {
(b ? function() {} : function() {
f.a++;
f(1);
})();
};
g();
}
})();
}
expect: {
(function() {
(function f(b) {
if (!f.a) f.a = 0;
console.log(f.a.toString());
(function() {
(b ? function() {} : function() {
f.a++;
f(1);
})();
})();
})();
})();
}
expect_stdout: [
"0",
"1",
]
}