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make defensive copies when inline (#2116)

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fixes #2114
This commit is contained in:
Alex Lam S.L
2017-06-17 14:32:37 +08:00
committed by GitHub
parent 931daa85bf
commit 0a0f4f5591
2 changed files with 72 additions and 2 deletions
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67
test/compress/functions.js
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@@ -443,3 +443,70 @@ issue_2107: {
}
expect_stdout: "5"
}
issue_2114_1: {
options = {
collapse_vars: true,
if_return: true,
inline: true,
keep_fargs: false,
side_effects: true,
unused: true,
}
input: {
var c = 0;
!function(a) {
a = 0;
}([ {
0: c = c + 1,
length: c = 1 + c
}, typeof void function a() {
var b = function f1(a) {
}(b && (b.b += (c = c + 1, 0)));
}() ]);
console.log(c);
}
expect: {
var c = 0;
!function() {
0;
}((c += 1, c = 1 + c, function() {
var b = void (b && (b.b += (c += 1, 0)));
}()));
console.log(c);
}
expect_stdout: "2"
}
issue_2114_2: {
options = {
collapse_vars: true,
if_return: true,
inline: true,
keep_fargs: false,
passes: 2,
side_effects: true,
unused: true,
}
input: {
var c = 0;
!function(a) {
a = 0;
}([ {
0: c = c + 1,
length: c = 1 + c
}, typeof void function a() {
var b = function f1(a) {
}(b && (b.b += (c = c + 1, 0)));
}() ]);
console.log(c);
}
expect: {
var c = 0;
c = 1 + (c += 1), function() {
var b = void (b && (b.b += (c += 1, 0)));
}();
console.log(c);
}
expect_stdout: "2"
}