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fix corner case in unsafe_math (#3683)

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fixes #3682
This commit is contained in:
Alex Lam S.L
2020-01-15 04:05:58 +08:00
committed by GitHub
parent 5beb7e4797
commit 91d87ae663
2 changed files with 113 additions and 20 deletions
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52
test/compress/numbers.js
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@@ -1075,11 +1075,11 @@ issue_3653: {
}
expect: {
console.log(0 - (console && 0));
console.log(0 - (console && 0) + 0);
console.log(0 - (console && 0));
console.log(0 - (0 - (console && 0)));
console.log(0 - (console && 0));
console.log(1 / (0 - (console && 0)));
console.log(0 - (console && 0) + 0);
console.log(0 - (console && 0));
console.log(0 - (console && 0));
console.log(0 - (console && 0));
console.log(0 - (console && 0));
@@ -1167,3 +1167,51 @@ issue_3676_2: {
}
expect_stdout: "NaN"
}
issue_3682_1: {
options = {
evaluate: true,
unsafe_math: true,
}
input: {
var a = -0;
console.log(1 / (a - 1 + 1));
}
expect: {
var a = -0;
console.log(1 / (a - 1 + 1));
}
expect_stdout: "Infinity"
}
issue_3682_2: {
options = {
evaluate: true,
unsafe_math: true,
}
input: {
var a = -0, b = 1;
console.log(1 / (a - (b - b)));
}
expect: {
var a = -0, b = 1;
console.log(1 / (a - (b - b)));
}
expect_stdout: "-Infinity"
}
issue_3682_3: {
options = {
evaluate: true,
unsafe_math: true,
}
input: {
var a = -0, b = 1, c = -1;
console.log(1 / (a - (+b + +c)));
}
expect: {
var a = -0, b = 1, c = -1;
console.log(1 / (a - (+b + +c)));
}
expect_stdout: "-Infinity"
}