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function defaultValue() { return 123; }
// 2 environment objects: Call => Var. The lambda uses both of them.
function testBasic(p = defaultValue()) {
for (var i = 0; i < 2000; i++) {}
return () => i + p;
}
assertEq(testBasic()(), 2123);
function testBailout(p = defaultValue()) {
for (var i = 0; i < 2000; i++) {
if (i > 1950) {
bailout();
}
}
return () => i + p;
}
assertEq(testBailout()(), 2123);
// 3 environment objects: Call => Var => Lexical. The lambda uses all of them.
let escaped;
function testVarAndLexical(p = defaultValue()) {
var q = p + 1;
let i = 0;
for (; i < 2000; i++) {
escaped = () => i + p + q;
}
}
testVarAndLexical();
assertEq(escaped(), 2247);
function testVarAndLexicalBailout(p = defaultValue()) {
var q = p + 1;
let i = 0;
for (; i < 2000; i++) {
escaped = () => i + p - q;
if (i > 1950) {
bailout();
}
}
}
testVarAndLexicalBailout();
assertEq(escaped(), 1999);