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fix corner cases in booleans & conditionals (#5695)

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fixes #5694
This commit is contained in:
Alex Lam S.L
2022-10-03 15:47:15 +01:00
committed by GitHub
parent 140e4e0da8
commit dabcc39b51
5 changed files with 64 additions and 27 deletions
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17
test/compress/booleans.js
View File

@@ -830,3 +830,20 @@ issue_5469: {
}
expect_stdout: "undefined"
}
issue_5694: {
options = {
booleans: true,
conditionals: true,
}
input: {
var undefined;
// Node.js v0.12~6 (vm): 42
console.log((undefined = 42) && undefined);
}
expect: {
var undefined;
console.log((undefined = 42) && undefined);
}
expect_stdout: true
}

2
test/compress/comparisons.js
View File

@@ -76,14 +76,12 @@ self_comparison_1: {
comparisons: true,
}
input: {
var a, b;
a === a;
a !== b;
b.c === a.c;
b.c !== b.c;
}
expect: {
var a, b;
a == a;
a !== b;
b.c === a.c;

18
test/compress/conditionals.js
View File

@@ -3033,3 +3033,21 @@ issue_5673_2: {
}
expect_stdout: "PASS"
}
issue_5694: {
options = {
conditionals: true,
}
input: {
FORCE_EXEC = "async()=>{}";
var a = "foo";
// Node.js v0.12~6 (vm): foo
console.log((NaN = a) ? NaN : 42);
}
expect: {
FORCE_EXEC = "async()=>{}";
var a = "foo";
console.log((NaN = a) ? NaN : 42);
}
expect_stdout: "NaN"
}

38
test/compress/if_return.js
View File

@@ -976,33 +976,33 @@ nested_if_return: {
if_return: true,
}
input: {
function f(a, b, c, d, e, f, g, h, i, j, k, l, m, n) {
if (a) {
if (b)
return b;
if (c)
return d;
if (e)
return f;
if (g)
return h;
if (i) {
if (j)
return k;
function f() {
if (A) {
if (B)
return B;
if (C)
return D;
if (E)
return F;
if (G)
return H;
if (I) {
if (J)
return K;
return;
}
if (l) {
if (m)
if (L) {
if (M)
return;
return n;
return N;
}
}
}
}
expect: {
function f(a, b, c, d, e, f, g, h, i, j, k, l, m, n) {
if (a)
return b || (c ? d : e ? f : g ? h : i ? j ? k : void 0 : l && !m ? n : void 0);
function f() {
if (A)
return B || (C ? D : E ? F : G ? H : I ? J ? K : void 0 : L && !M ? N : void 0);
}
}
}