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improve fix for #2954 (#2958)

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This commit is contained in:
Alex Lam S.L
2018-02-26 03:14:22 +08:00
committed by GitHub
parent ea2359381b
commit b8b2ac5230
2 changed files with 93 additions and 14 deletions
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76
test/compress/collapse_vars.js
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@@ -2219,8 +2219,8 @@ unused_orig: {
console.log(function(b) {
var c = b;
for (var d in c) {
var a = c[0];
return --b + a;
var a;
return --b + c[0];
}
a && a.NaN;
}([2]), a);
@@ -4666,7 +4666,7 @@ issue_2931: {
expect_stdout: "undefined"
}
issue_2954: {
issue_2954_1: {
options = {
collapse_vars: true,
}
@@ -4700,3 +4700,73 @@ issue_2954: {
}
expect_stdout: "PASS"
}
issue_2954_2: {
options = {
collapse_vars: true,
}
input: {
var a = "FAIL_1", b;
try {
throw 0;
} catch (e) {
do {
b = function() {
throw new Error("PASS");
}();
a = "FAIL_2";
b && b.c;
} while (0);
}
console.log(a);
}
expect: {
var a = "FAIL_1", b;
try {
throw 0;
} catch (e) {
do {
a = "FAIL_2";
(b = function() {
throw new Error("PASS");
}()) && b.c;
} while (0);
}
console.log(a);
}
expect_stdout: Error("PASS")
}
issue_2954_3: {
options = {
collapse_vars: true,
}
input: {
var a = "FAIL_1", b;
try {
} finally {
do {
b = function() {
throw new Error("PASS");
}();
a = "FAIL_2";
b && b.c;
} while (0);
}
console.log(a);
}
expect: {
var a = "FAIL_1", b;
try {
} finally {
do {
a = "FAIL_2";
(b = function() {
throw new Error("PASS");
}()) && b.c;
} while (0);
}
console.log(a);
}
expect_stdout: Error("PASS")
}