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ensure mangling works if catch reuses a scope variable (#2123)

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fixes #2120
This commit is contained in:
Alex Lam S.L
2017-06-20 02:14:05 +08:00
committed by GitHub
parent 1c150c632f
commit 343ea326c2
2 changed files with 84 additions and 1 deletions
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70
test/compress/screw-ie8.js
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@@ -255,3 +255,73 @@ issue_1586_2: {
}
expect_exact: "function f(){try{x()}catch(c){console.log(c.message)}}"
}
issue_2120_1: {
mangle = {
ie8: false,
}
input: {
"aaaaaaaa";
var a = 1, b = "FAIL";
try {
throw 1;
} catch (c) {
try {
throw 0;
} catch (a) {
if (c) b = "PASS";
}
}
console.log(b);
}
expect: {
"aaaaaaaa";
var a = 1, b = "FAIL";
try {
throw 1;
} catch (t) {
try {
throw 0;
} catch (a) {
if (t) b = "PASS";
}
}
console.log(b);
}
expect_stdout: "PASS"
}
issue_2120_2: {
mangle = {
ie8: true,
}
input: {
"aaaaaaaa";
var a = 1, b = "FAIL";
try {
throw 1;
} catch (c) {
try {
throw 0;
} catch (a) {
if (c) b = "PASS";
}
}
console.log(b);
}
expect: {
"aaaaaaaa";
var a = 1, b = "FAIL";
try {
throw 1;
} catch (c) {
try {
throw 0;
} catch (a) {
if (c) b = "PASS";
}
}
console.log(b);
}
expect_stdout: "PASS"
}