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fix corner case in side_effects (#4752)

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fixes #4751
This commit is contained in:
Alex Lam S.L
2021-03-07 20:19:51 +00:00
committed by GitHub
parent 31e7d25cad
commit f52b0e7c31
9 changed files with 277 additions and 45 deletions
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31
test/compress/side_effects.js
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@@ -561,6 +561,7 @@ drop_side_effect_free_call: {
issue_4730_1: {
options = {
pure_getters: "strict",
side_effects: true,
}
input: {
@@ -569,13 +570,15 @@ issue_4730_1: {
}
expect: {
var a;
console.log("PASS");
console.log("PASS"),
a && a[a.p];
}
expect_stdout: "PASS"
}
issue_4730_2: {
options = {
pure_getters: "strict",
side_effects: true,
}
input: {
@@ -584,7 +587,31 @@ issue_4730_2: {
}
expect: {
var a;
console.log("PASS");
!console.log("PASS") || a && a[a.p];
}
expect_stdout: "PASS"
}
issue_4751: {
options = {
pure_getters: "strict",
side_effects: true,
}
input: {
var o = {
get p() {
console.log("PASS");
},
};
o && o.p;
}
expect: {
var o = {
get p() {
console.log("PASS");
},
};
o && o.p;
}
expect_stdout: "PASS"
}