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fix corner case in collapse_vars (#5639)

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fixes #5638
This commit is contained in:
Alex Lam S.L
2022-08-31 01:44:04 +01:00
committed by GitHub
parent d530f9332c
commit f63b7b079d
3 changed files with 115 additions and 3 deletions
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52
test/compress/collapse_vars.js
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@@ -10000,3 +10000,55 @@ issue_5568: {
}
expect_stdout: "PASS"
}
issue_5638_1: {
options = {
collapse_vars: true,
pure_getters: "strict",
reduce_vars: true,
toplevel: true,
}
input: {
var log = console.log;
var a = { foo: 42 }, b;
for (var k in a) {
b = a[k];
log(k || b, b++);
}
}
expect: {
var log = console.log;
var a = { foo: 42 }, b;
for (var k in a) {
b = a[k];
log(k || b, b++);
}
}
expect_stdout: "foo 42"
}
issue_5638_2: {
options = {
collapse_vars: true,
pure_getters: "strict",
reduce_vars: true,
toplevel: true,
}
input: {
var log = console.log;
var a = { foo: 6 }, b;
for (var k in a) {
b = a[k];
log(k || b, b *= 7);
}
}
expect: {
var log = console.log;
var a = { foo: 6 }, b;
for (var k in a) {
b = a[k];
log(k || b, b *= 7);
}
}
expect_stdout: "foo 42"
}