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Merge branch 'master' into harmony-v3.3.6

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This commit is contained in:
alexlamsl
2018-01-13 13:53:31 +08:00
parent 1eb15f46f1 460218a3f8
commit 0f2be1456c
13 changed files with 636 additions and 164 deletions
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1
test/compress/collapse_vars.js
View File

@@ -2296,6 +2296,7 @@ toplevel_single_reference: {
unused_orig: {
options = {
collapse_vars: true,
dead_code: true,
passes: 2,
reduce_funcs: true,
reduce_vars: true,

43
test/compress/conditionals.js
View File

@@ -1224,3 +1224,46 @@ hoist_decl: {
x() ? y() : z();
}
}
to_and_or: {
options = {
conditionals: true,
}
input: {
var values = [
0,
null,
true,
"foo",
false,
-1 / 0,
void 0,
];
values.forEach(function(x) {
values.forEach(function(y) {
values.forEach(function(z) {
console.log(x ? y || z : z);
});
});
});
}
expect: {
var values = [
0,
null,
true,
"foo",
false,
-1 / 0,
void 0,
];
values.forEach(function(x) {
values.forEach(function(y) {
values.forEach(function(z) {
console.log(x && y || z);
});
});
});
}
expect_stdout: true
}

29
test/compress/dead-code.js
View File

@@ -1128,3 +1128,32 @@ issue_2701: {
}
expect_stdout: "function"
}
issue_2749: {
options = {
dead_code: true,
inline: true,
toplevel: true,
unused: true,
}
input: {
var a = 2, c = "PASS";
while (a--)
(function() {
return b ? c = "FAIL" : b = 1;
try {
} catch (b) {
var b;
}
})();
console.log(c);
}
expect: {
var a = 2, c = "PASS";
while (a--)
b = void 0, b ? c = "FAIL" : b = 1;
var b;
console.log(c);
}
expect_stdout: "PASS"
}

48
test/compress/drop-unused.js
View File

@@ -2018,3 +2018,51 @@ cascade_drop_assign: {
}
expect_stdout: "PASS"
}
chained_3: {
options = {
reduce_vars: true,
unused: true,
}
input: {
console.log(function(a, b) {
var c = a, c = b;
b++;
return c;
}(1, 2));
}
expect: {
console.log(function(a, b) {
var c = b;
b++;
return c;
}(0, 2));
}
expect_stdout: "2"
}
issue_2768: {
options = {
inline: true,
reduce_vars: true,
sequences: true,
side_effects: true,
toplevel: true,
unused: true,
}
input: {
var a = "FAIL", c = 1;
var c = function(b) {
var d = b = a;
var e = --b + (d && (a = "PASS"));
}();
console.log(a, typeof c);
}
expect: {
var a = "FAIL";
var c = (d = a, 0, void (d && (a = "PASS")));
var d;
console.log(a, typeof c);
}
expect_stdout: "PASS undefined"
}

113
test/compress/loops.js
View File

@@ -536,3 +536,116 @@ dead_code_condition: {
}
expect_stdout: "1"
}
issue_2740_1: {
options = {
dead_code: true,
loops: true,
}
input: {
for (; ; ) break;
for (a(); ; ) break;
for (; b(); ) break;
for (c(); d(); ) break;
for (; ; e()) break;
for (f(); ; g()) break;
for (; h(); i()) break;
for (j(); k(); l()) break;
}
expect: {
a();
b();
c();
d();
f();
h();
j();
k();
}
}
issue_2740_2: {
options = {
dead_code: true,
loops: true,
passes: 2,
}
input: {
L1: while (x()) {
break L1;
}
}
expect: {
x();
}
}
issue_2740_3: {
options = {
dead_code: true,
loops: true,
}
input: {
L1: for (var x = 0; x < 3; x++) {
L2: for (var y = 0; y < 2; y++) {
break L1;
}
}
console.log(x, y);
}
expect: {
L1: for (var x = 0; x < 3; x++)
for (var y = 0; y < 2; y++)
break L1;
console.log(x, y);
}
expect_stdout: "0 0"
}
issue_2740_4: {
options = {
dead_code: true,
loops: true,
passes: 2,
}
input: {
L1: for (var x = 0; x < 3; x++) {
L2: for (var y = 0; y < 2; y++) {
break L2;
}
}
console.log(x, y);
}
expect: {
for (var x = 0; x < 3; x++) {
var y = 0;
y < 2;
}
console.log(x, y);
}
expect_stdout: "3 0"
}
issue_2740_5: {
options = {
dead_code: true,
loops: true,
passes: 2,
}
input: {
L1: for (var x = 0; x < 3; x++) {
break L1;
L2: for (var y = 0; y < 2; y++) {
break L2;
}
}
console.log(x, y);
}
expect: {
var x = 0;
x < 3;
var y;
console.log(x,y);
}
expect_stdout: "0 undefined"
}

88
test/compress/properties.js
View File

@@ -1377,3 +1377,91 @@ const_prop_assign_pure: {
x();
}
}
join_object_assignments_1: {
options = {
evaluate: true,
join_vars: true,
}
input: {
console.log(function() {
var x = {
a: 1,
c: (console.log("c"), "C"),
};
x.b = 2;
x[3] = function() {
console.log(x);
},
x["a"] = /foo/,
x.bar = x;
return x;
}());
}
expect: {
console.log(function() {
var x = {
a: 1,
c: (console.log("c"), "C"),
b: 2,
3: function() {
console.log(x);
},
a: /foo/,
};
x.bar = x;
return x;
}());
}
expect_stdout: true
}
join_object_assignments_2: {
options = {
evaluate: true,
hoist_props: true,
join_vars: true,
passes: 3,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var o = {
foo: 1,
};
o.bar = 2;
o.baz = 3;
console.log(o.foo, o.bar + o.bar, o.foo * o.bar * o.baz);
}
expect: {
console.log(1, 4, 6);
}
expect_stdout: "1 4 6"
}
join_object_assignments_3: {
options = {
evaluate: true,
join_vars: true,
}
input: {
console.log(function() {
var o = {
a: "PASS",
}, a = o.a;
o.a = "FAIL";
return a;
}());
}
expect: {
console.log(function() {
var o = {
a: "PASS",
}, a = o.a;
o.a = "FAIL";
return a;
}());
}
expect_stdout: "PASS"
}

26
test/compress/reduce_vars.js
View File

@@ -5866,3 +5866,29 @@ issue_2757_2: {
]
node_version: ">=6"
}
issue_2774: {
options = {
reduce_vars: true,
unused: true,
}
input: {
console.log({
get a() {
var b;
(b = true) && b.c;
b = void 0;
}
}.a);
}
expect: {
console.log({
get a() {
var b;
(b = true) && b.c;
b = void 0;
}
}.a);
}
expect_stdout: "undefined"
}