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fix reduce_vars on AST_Array.length (#2404)

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This commit is contained in:
Alex Lam S.L
2017-10-27 02:33:37 +08:00
committed by GitHub
parent ee082ace1b
commit 9b0f86f5a1
2 changed files with 59 additions and 2 deletions
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57
test/compress/arrays.js
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@@ -131,6 +131,7 @@ for_loop: {
evaluate: true,
reduce_vars: true,
unsafe: true,
unused: true,
};
input: {
function f0() {
@@ -166,7 +167,7 @@ for_loop: {
function f1() {
var a = [1, 2, 3];
var b = 0;
for (var i = 0, len = a.length; i < len; i++)
for (var i = 0; i < 3; i++)
b += a[i];
return b;
}
@@ -180,3 +181,57 @@ for_loop: {
}
expect_stdout: "6 6 4"
}
index: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
unused: true,
}
input: {
var a = [ 1, 2 ];
console.log(a[0], a[1]);
}
expect: {
console.log(1, 2);
}
expect_stdout: "1 2"
}
length: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
unused: true,
}
input: {
var a = [ 1, 2 ];
console.log(a.length);
}
expect: {
console.log(2);
}
expect_stdout: "2"
}
index_length: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
unused: true,
}
input: {
var a = [ 1, 2 ];
console.log(a[0], a.length);
}
expect: {
console.log(1, 2);
}
expect_stdout: "1 2"
}