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fix corner case in ie8 (#3216)

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fixes #3215
This commit is contained in:
Alex Lam S.L
2018-07-19 14:45:36 +08:00
committed by GitHub
parent 8d4b5344f4
commit cea685f8d9
7 changed files with 349 additions and 99 deletions
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97
test/compress/collapse_vars.js
View File

@@ -5730,3 +5730,100 @@ issue_3096: {
}
expect_stdout: "ab"
}
issue_3215_1: {
options = {
collapse_vars: true,
evaluate: true,
ie8: false,
inline: true,
passes: 2,
side_effects: true,
unused: true,
}
input: {
console.log(function a() {
var a = 42;
return typeof a;
}());
}
expect: {
console.log("number");
}
expect_stdout: "number"
}
issue_3215_2: {
options = {
collapse_vars: true,
evaluate: true,
ie8: true,
inline: true,
passes: 2,
side_effects: true,
unused: true,
}
input: {
console.log(function a() {
var a = 42;
return typeof a;
}());
}
expect: {
console.log(function a() {
var a = 42;
return typeof a;
}());
}
expect_stdout: "number"
}
issue_3215_3: {
options = {
collapse_vars: true,
evaluate: true,
ie8: false,
inline: true,
passes: 2,
side_effects: true,
unused: true,
}
input: {
console.log(function() {
var a = 42;
(function a() {});
return typeof a;
}());
}
expect: {
console.log("number");
}
expect_stdout: "number"
}
issue_3215_4: {
options = {
collapse_vars: true,
evaluate: true,
ie8: true,
inline: true,
passes: 2,
side_effects: true,
unused: true,
}
input: {
console.log(function() {
var a = 42;
(function a() {});
return typeof a;
}());
}
expect: {
console.log(function() {
var a = 42;
(function a() {});
return typeof a;
}());
}
expect_stdout: "number"
}

160
test/compress/ie8.js
View File

@@ -458,8 +458,8 @@ issue_2976_2: {
}
expect: {
console.log(function f() {
var n;
return n === f ? "FAIL" : "PASS";
var o;
return o === f ? "FAIL" : "PASS";
}());
}
expect_stdout: "PASS"
@@ -477,9 +477,9 @@ issue_2976_3: {
}());
}
expect: {
console.log(function o() {
var n;
return n === o ? "FAIL" : "PASS";
console.log(function r() {
var o;
return o === r ? "FAIL" : "PASS";
}());
}
expect_stdout: "PASS"
@@ -678,6 +678,7 @@ issue_3206_1: {
input: {
console.log(function() {
var foo = function bar() {};
var baz = function moo() {};
return "function" == typeof bar;
}());
}
@@ -700,6 +701,7 @@ issue_3206_2: {
input: {
console.log(function() {
var foo = function bar() {};
var baz = function moo() {};
return "function" == typeof bar;
}());
}
@@ -711,3 +713,151 @@ issue_3206_2: {
}
expect_stdout: "false"
}
issue_3215_1: {
mangle = {
ie8: false,
}
input: {
console.log(function foo() {
var bar = function bar(name) {
return "PASS";
};
try {
"moo";
} catch (e) {
bar = function bar(name) {
return "FAIL";
};
}
return bar;
}()());
}
expect: {
console.log(function n() {
var o = function n(o) {
return "PASS";
};
try {
"moo";
} catch (n) {
o = function n(o) {
return "FAIL";
};
}
return o;
}()());
}
expect_stdout: "PASS"
}
issue_3215_2: {
mangle = {
ie8: true,
}
input: {
console.log(function foo() {
var bar = function bar(name) {
return "PASS";
};
try {
"moo";
} catch (e) {
bar = function bar(name) {
return "FAIL";
};
}
return bar;
}()());
}
expect: {
console.log(function foo() {
var r = function r(o) {
return "PASS";
};
try {
"moo";
} catch (o) {
r = function r(o) {
return "FAIL";
};
}
return r;
}()());
}
expect_stdout: "PASS"
}
issue_3215_3: {
mangle = {
ie8: false,
}
input: {
console.log(function foo() {
var bar = function bar(name) {
return "FAIL";
};
try {
moo;
} catch (e) {
bar = function bar(name) {
return "PASS";
};
}
return bar;
}()());
}
expect: {
console.log(function n() {
var o = function n(o) {
return "FAIL";
};
try {
moo;
} catch (n) {
o = function n(o) {
return "PASS";
};
}
return o;
}()());
}
expect_stdout: "PASS"
}
issue_3215_4: {
mangle = {
ie8: true,
}
input: {
console.log(function foo() {
var bar = function bar(name) {
return "FAIL";
};
try {
moo;
} catch (e) {
bar = function bar(name) {
return "PASS";
};
}
return bar;
}()());
}
expect: {
console.log(function foo() {
var r = function r(o) {
return "FAIL";
};
try {
moo;
} catch (o) {
r = function r(o) {
return "PASS";
};
}
return r;
}()());
}
expect_stdout: "PASS"
}

8
test/compress/reduce_vars.js
View File

@@ -5231,11 +5231,11 @@ defun_catch_4: {
try {
throw 42;
} catch (a) {
function a() {}
console.log(a);
}
}
expect_stdout: true
expect_stdout: "42"
node_version: "<=4"
}
defun_catch_5: {
@@ -5257,10 +5257,10 @@ defun_catch_5: {
throw 42;
} catch (a) {
console.log(a);
function a() {}
}
}
expect_stdout: true
expect_stdout: "42"
node_version: "<=4"
}
defun_catch_6: {