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enhance reduce_vars & unused (#4890)

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This commit is contained in:
Alex Lam S.L
2021-05-01 17:19:56 +01:00
committed by GitHub
parent 16411dcb87
commit 53b57ee57e
3 changed files with 184 additions and 16 deletions
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170
test/compress/functions.js
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@@ -6013,7 +6013,7 @@ issue_4823: {
console.log(typeof function() {
{
function f() {}
arguments = f();
f();
var arguments = function() {};
}
return f && arguments;
@@ -6040,3 +6040,171 @@ drop_unused_self_reference: {
}
expect_stdout: "PASS"
}
reduce_cross_reference_1: {
options = {
passes: 3,
pure_getters: "strict",
reduce_vars: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
(function(a, b) {
a = b = function() {};
a.p = a;
b = a = function() {};
b.q = b;
})();
}
expect: {}
expect_stdout: true
}
reduce_cross_reference_1_toplevel: {
options = {
passes: 2,
pure_getters: "strict",
reduce_vars: true,
sequences: true,
side_effects: true,
toplevel: true,
unused: true,
}
input: {
var a = b = function() {};
a.p = a;
var b = a = function() {};
b.q = b;
}
expect: {}
expect_stdout: true
}
reduce_cross_reference_2: {
options = {
collapse_vars: true,
passes: 3,
pure_getters: "strict",
reduce_vars: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
(function(a, b) {
a = b = function() {};
b.p = a;
b = a = function() {};
a.q = b;
})();
}
expect: {}
expect_stdout: true
}
reduce_cross_reference_2_toplevel: {
options = {
collapse_vars: true,
passes: 2,
pure_getters: "strict",
reduce_vars: true,
sequences: true,
side_effects: true,
toplevel: true,
unused: true,
}
input: {
var a = b = function() {};
b.p = a;
var b = a = function() {};
a.q = b;
}
expect: {}
expect_stdout: true
}
reduce_cross_reference_3: {
options = {
collapse_vars: true,
passes: 3,
pure_getters: "strict",
reduce_vars: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
(function(a, b) {
a = b = function() {};
a.p = b;
b = a = function() {};
b.q = a;
})();
}
expect: {}
expect_stdout: true
}
reduce_cross_reference_3_toplevel: {
options = {
collapse_vars: true,
passes: 2,
pure_getters: "strict",
reduce_vars: true,
sequences: true,
side_effects: true,
toplevel: true,
unused: true,
}
input: {
var a = b = function() {};
a.p = b;
var b = a = function() {};
b.q = a;
}
expect: {}
expect_stdout: true
}
reduce_cross_reference_4: {
options = {
passes: 3,
pure_getters: "strict",
reduce_vars: true,
sequences: true,
side_effects: true,
unused: true,
}
input: {
(function(a, b) {
a = b = function() {};
b.p = b;
b = a = function() {};
a.q = a;
})();
}
expect: {}
expect_stdout: true
}
reduce_cross_reference_4_toplevel: {
options = {
passes: 2,
pure_getters: "strict",
reduce_vars: true,
sequences: true,
side_effects: true,
toplevel: true,
unused: true,
}
input: {
var a = b = function() {};
b.p = b;
var b = a = function() {};
a.q = a;
}
expect: {}
expect_stdout: true
}