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Merge branch 'master' into harmony-v3.3.0

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alexlamsl
2017-12-24 19:19:24 +08:00
parent 8d156b51fe f1556cb945
commit dbf8684287
42 changed files with 3285 additions and 872 deletions
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411
test/compress/dead-code.js
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@@ -636,3 +636,414 @@ issue_2383_3: {
expect_stdout: "undefined undefined 8 undefined 7"
node_version: ">=6"
}
collapse_vars_assignment: {
options = {
collapse_vars: true,
dead_code: true,
passes: 2,
unused: true,
}
input: {
function f0(c) {
var a = 3 / c;
return a = a;
}
}
expect: {
function f0(c) {
return 3 / c;
}
}
}
collapse_vars_lvalues_drop_assign: {
options = {
collapse_vars: true,
dead_code: true,
unused: true,
}
input: {
function f0(x) { var i = ++x; return x += i; }
function f1(x) { var a = (x -= 3); return x += a; }
function f2(x) { var z = x, a = ++z; return z += a; }
}
expect: {
function f0(x) { var i = ++x; return x + i; }
function f1(x) { var a = (x -= 3); return x + a; }
function f2(x) { var z = x, a = ++z; return z + a; }
}
}
collapse_vars_misc1: {
options = {
collapse_vars: true,
dead_code: true,
unused: true,
}
input: {
function f10(x) { var a = 5, b = 3; return a += b; }
function f11(x) { var a = 5, b = 3; return a += --b; }
}
expect: {
function f10(x) { return 5 + 3; }
function f11(x) { var b = 3; return 5 + --b; }
}
}
return_assignment: {
options = {
dead_code: true,
unused: true,
}
input: {
function f1(a, b, c) {
return a = x(), b = y(), b = a && (c >>= 5);
}
function f2() {
return e = x();
}
function f3(e) {
return e = x();
}
function f4() {
var e;
return e = x();
}
function f5(a) {
try {
return a = x();
} catch (b) {
console.log(a);
}
}
function f6(a) {
try {
return a = x();
} finally {
console.log(a);
}
}
function y() {
console.log("y");
}
function test(inc) {
var counter = 0;
x = function() {
counter += inc;
if (inc < 0) throw counter;
return counter;
};
[ f1, f2, f3, f4, f5, f6 ].forEach(function(f, i) {
e = null;
try {
i += 1;
console.log("result " + f(10 * i, 100 * i, 1000 * i));
} catch (x) {
console.log("caught " + x);
}
if (null !== e) console.log("e: " + e);
});
}
var x, e;
test(1);
test(-1);
}
expect: {
function f1(a, b, c) {
return a = x(), y(), a && (c >> 5);
}
function f2() {
return e = x();
}
function f3(e) {
return x();
}
function f4() {
return x();
}
function f5(a) {
try {
return x();
} catch (b) {
console.log(a);
}
}
function f6(a) {
try {
return a = x();
} finally {
console.log(a);
}
}
function y() {
console.log("y");
}
function test(inc) {
var counter = 0;
x = function() {
counter += inc;
if (inc < 0) throw counter;
return counter;
};
[ f1, f2, f3, f4, f5, f6 ].forEach(function(f, i) {
e = null;
try {
i += 1;
console.log("result " + f(10 * i, 100 * i, 1000 * i));
} catch (x) {
console.log("caught " + x);
}
if (null !== e) console.log("e: " + e);
});
}
var x, e;
test(1);
test(-1);
}
expect_stdout: [
"y",
"result 31",
"result 2",
"e: 2",
"result 3",
"result 4",
"result 5",
"6",
"result 6",
"caught -1",
"caught -2",
"caught -3",
"caught -4",
"50",
"result undefined",
"60",
"caught -6",
]
}
throw_assignment: {
options = {
dead_code: true,
unused: true,
}
input: {
function f1() {
throw a = x();
}
function f2(a) {
throw a = x();
}
function f3() {
var a;
throw a = x();
}
function f4() {
try {
throw a = x();
} catch (b) {
console.log(a);
}
}
function f5(a) {
try {
throw a = x();
} catch (b) {
console.log(a);
}
}
function f6() {
var a;
try {
throw a = x();
} catch (b) {
console.log(a);
}
}
function f7() {
try {
throw a = x();
} finally {
console.log(a);
}
}
function f8(a) {
try {
throw a = x();
} finally {
console.log(a);
}
}
function f9() {
var a;
try {
throw a = x();
} finally {
console.log(a);
}
}
function test(inc) {
var counter = 0;
x = function() {
counter += inc;
if (inc < 0) throw counter;
return counter;
};
[ f1, f2, f3, f4, f5, f6, f7, f8, f9 ].forEach(function(f, i) {
a = null;
try {
f(10 * (1 + i));
} catch (x) {
console.log("caught " + x);
}
if (null !== a) console.log("a: " + a);
});
}
var x, a;
test(1);
test(-1);
}
expect: {
function f1() {
throw a = x();
}
function f2(a) {
throw x();
}
function f3() {
throw x();
}
function f4() {
try {
throw a = x();
} catch (b) {
console.log(a);
}
}
function f5(a) {
try {
throw a = x();
} catch (b) {
console.log(a);
}
}
function f6() {
var a;
try {
throw a = x();
} catch (b) {
console.log(a);
}
}
function f7() {
try {
throw a = x();
} finally {
console.log(a);
}
}
function f8(a) {
try {
throw a = x();
} finally {
console.log(a);
}
}
function f9() {
var a;
try {
throw a = x();
} finally {
console.log(a);
}
}
function test(inc) {
var counter = 0;
x = function() {
counter += inc;
if (inc < 0) throw counter;
return counter;
};
[ f1, f2, f3, f4, f5, f6, f7, f8, f9 ].forEach(function(f, i) {
a = null;
try {
f(10 * (1 + i));
} catch (x) {
console.log("caught " + x);
}
if (null !== a) console.log("a: " + a);
});
}
var x, a;
test(1);
test(-1);
}
expect_stdout: [
"caught 1",
"a: 1",
"caught 2",
"caught 3",
"4",
"a: 4",
"5",
"6",
"7",
"caught 7",
"a: 7",
"8",
"caught 8",
"9",
"caught 9",
"caught -1",
"caught -2",
"caught -3",
"null",
"50",
"undefined",
"null",
"caught -7",
"80",
"caught -8",
"undefined",
"caught -9",
]
}
issue_2597: {
options = {
dead_code: true,
}
input: {
function f(b) {
try {
try {
throw "foo";
} catch (e) {
return b = true;
}
} finally {
b && (a = "PASS");
}
}
var a = "FAIL";
f();
console.log(a);
}
expect: {
function f(b) {
try {
try {
throw "foo";
} catch (e) {
return b = true;
}
} finally {
b && (a = "PASS");
}
}
var a = "FAIL";
f();
console.log(a);
}
expect_stdout: "PASS"
}