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opt out of tail recursion optimisation if the owner id has been reassigned - fixes #744

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This commit is contained in:
Sebastian McKenzie
2015-02-11 11:27:50 +11:00
parent 56a953df64
commit db93c52182
4 changed files with 46 additions and 2 deletions
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13
test/fixtures/transformation/es6-tail-call/ignore-reassigned/actual.js vendored Normal file
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@@ -0,0 +1,13 @@
// we need to deopt `test` if it's reassigned as we can't be certain of it's
// state, ie. it could have been rebound or dereferenced
function test(exit) {
if (exit) {
return this.x;
}
return test(true);
}
test = test.bind({ x: "yay" });
console.log(test());

15
test/fixtures/transformation/es6-tail-call/ignore-reassigned/expected.js vendored Normal file
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@@ -0,0 +1,15 @@
"use strict";
// we need to deopt `test` if it's reassigned as we can't be certain of it's
// state, ie. it could have been rebound or dereferenced
function test(exit) {
if (exit) {
return this.x;
}
return test(true);
}
test = test.bind({ x: "yay" });
console.log(test());