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fix corner cases in unused (#5449)

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fixes #5448
This commit is contained in:
Alex Lam S.L
2022-05-17 10:03:06 +01:00
committed by GitHub
parent a968ddc78c
commit 27727e6926
3 changed files with 150 additions and 39 deletions
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82
test/compress/default-values.js
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@@ -2313,3 +2313,85 @@ issue_5444_3: {
expect_stdout: "PASS"
node_version: ">=6"
}
issue_5448_1: {
options = {
reduce_vars: true,
unused: true,
}
input: {
(function(a = typeof console.log) {
do {
var b = [ ...a ];
} while (console.log("PASS"));
})();
}
expect: {
(function(a = console.log) {
do {} while (console.log("PASS"));
})();
}
expect_stdout: "PASS"
node_version: ">=6"
}
issue_5448_2: {
options = {
keep_fargs: true,
reduce_vars: true,
unused: true,
}
input: {
(function(a = typeof console) {
do {
var b = [ ...a ];
} while (console.log("PASS"));
})();
}
expect: {
(function(a = 0) {
do {} while (console.log("PASS"));
})();
}
expect_stdout: "PASS"
node_version: ">=6"
}
issue_5448_3: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
unused: true,
}
input: {
var [ a = typeof console ] = [ void console.log("PASS") ];
var b = [ ...a ];
}
expect: {
console.log("PASS");
}
expect_stdout: "PASS"
node_version: ">=6"
}
issue_5448_4: {
options = {
evaluate: true,
pure_getters: "strict",
reduce_vars: true,
toplevel: true,
unsafe: true,
unused: true,
}
input: {
var { p: a = typeof console } = { p: void console.log("PASS") };
var b = [ ...a ];
}
expect: {
console.log("PASS");
}
expect_stdout: "PASS"
node_version: ">=6"
}