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fix catch symbol mangling (#1734)

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Only need to look up the immediate non-block/catch scope for the same-name special case.

fixes #1733
This commit is contained in:
Alex Lam S.L
2017-03-31 02:57:47 +08:00
committed by GitHub
parent 7cb1adf455
commit c595b84032
2 changed files with 100 additions and 5 deletions
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97
test/compress/issue-1733.js Normal file
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@@ -0,0 +1,97 @@
function_iife_catch: {
mangle = {
screw_ie8: true,
}
input: {
function f(n) {
!function() {
try {
throw 0;
} catch (n) {
var a = 1;
console.log(n, a);
}
}();
}
f();
}
expect_exact: "function f(o){!function(){try{throw 0}catch(c){var o=1;console.log(c,o)}}()}f();"
expect_stdout: "0 1"
}
function_iife_catch_ie8: {
mangle = {
screw_ie8: false,
}
input: {
function f(n) {
!function() {
try {
throw 0;
} catch (n) {
var a = 1;
console.log(n, a);
}
}();
}
f();
}
expect_exact: "function f(o){!function(){try{throw 0}catch(o){var c=1;console.log(o,c)}}()}f();"
expect_stdout: "0 1"
}
function_catch_catch: {
mangle = {
screw_ie8: true,
}
input: {
var o = 0;
function f() {
try {
throw 1;
} catch (c) {
try {
throw 2;
} catch (o) {
var o = 3;
console.log(o);
}
}
console.log(o);
}
f();
}
expect_exact: "var o=0;function f(){try{throw 1}catch(c){try{throw 2}catch(o){var o=3;console.log(o)}}console.log(o)}f();"
expect_stdout: [
"3",
"undefined",
]
}
function_catch_catch_ie8: {
mangle = {
screw_ie8: false,
}
input: {
var o = 0;
function f() {
try {
throw 1;
} catch (c) {
try {
throw 2;
} catch (o) {
var o = 3;
console.log(o);
}
}
console.log(o);
}
f();
}
expect_exact: "var o=0;function f(){try{throw 1}catch(c){try{throw 2}catch(o){var o=3;console.log(o)}}console.log(o)}f();"
expect_stdout: [
"3",
"undefined",
]
}