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fix corner case in unused (#3716)

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This commit is contained in:
Alex Lam S.L
2020-02-12 23:46:16 +00:00
committed by GitHub
parent 2557148bba
commit 83a42716c3
4 changed files with 116 additions and 69 deletions
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52
test/compress/drop-unused.js
View File

@@ -1191,10 +1191,10 @@ issue_2105_1: {
input: {
!function(factory) {
factory();
}( function() {
}(function() {
return function(fn) {
fn()().prop();
}( function() {
}(function() {
function bar() {
var quux = function() {
console.log("PASS");
@@ -1205,7 +1205,7 @@ issue_2105_1: {
return { prop: foo };
}
return bar;
} );
});
});
}
expect: {
@@ -1235,10 +1235,10 @@ issue_2105_2: {
input: {
!function(factory) {
factory();
}( function() {
}(function() {
return function(fn) {
fn()().prop();
}( function() {
}(function() {
function bar() {
var quux = function() {
console.log("PASS");
@@ -1249,7 +1249,7 @@ issue_2105_2: {
return { prop: foo };
}
return bar;
} );
});
});
}
expect: {
@@ -1258,6 +1258,44 @@ issue_2105_2: {
expect_stdout: "PASS"
}
issue_2105_3: {
options = {
inline: true,
passes: 2,
reduce_vars: true,
unused: true,
}
input: {
!function(factory) {
factory();
}(function() {
return function(fn) {
fn()().prop();
}(function() {
function bar() {
var quux = function() {
console.log("PASS");
}, foo = function() {
console.log;
quux();
};
return { prop: foo };
}
return bar;
});
});
}
expect: {
!void void {
prop: function() {
console.log;
void console.log("PASS");
}
}.prop();
}
expect_stdout: "PASS"
}
issue_2226_1: {
options = {
side_effects: true,
@@ -2330,7 +2368,7 @@ function_parameter_ie8: {
(function() {
(function f() {
console.log("PASS");
})(0);
})();
})();
}
expect_stdout: "PASS"

2
test/compress/functions.js
View File

@@ -1276,7 +1276,7 @@ issue_2630_3: {
(function() {
(function f1(a) {
f2();
--x >= 0 && f1({});
--x >= 0 && f1();
})(a++);
function f2() {
a++;

8
test/compress/keep_fargs.js
View File

@@ -728,7 +728,7 @@ issue_2630_3: {
(function() {
(function f1() {
f2();
--x >= 0 && f1({});
--x >= 0 && f1();
})(a++);
function f2() {
a++;
@@ -1369,7 +1369,7 @@ recursive_iife_1: {
}
expect: {
console.log(function f(a, b) {
return b || f("FAIL", "PASS");
return b || f(0, "PASS");
}());
}
expect_stdout: "PASS"
@@ -1388,7 +1388,7 @@ recursive_iife_2: {
}
expect: {
console.log(function f(a, b) {
return b || f("FAIL", "PASS");
return b || f(0, "PASS");
}(0, 0));
}
expect_stdout: "PASS"
@@ -1416,7 +1416,7 @@ recursive_iife_3: {
var a = 1, c = "PASS";
(function() {
(function f(b, d, e) {
a-- && f(null, 42, 0);
a-- && f(0, 42, 0);
e && (c = "FAIL");
d && d.p;
})();