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--TEST--
Bug #79657: "yield from" hangs when invalid value encountered
--FILE--
<?php
function throwException(): iterable
{
throw new Exception();
}
function loop(): iterable
{
$callbacks = [
function () {
yield 'first';
},
function () {
yield from throwException();
}
];
foreach ($callbacks as $callback) {
yield from $callback();
}
}
function get(string $first, int $second): array
{
return [];
}
get(...loop());
?>
--EXPECTF--
Fatal error: Uncaught Exception in %s:%d
Stack trace:
#0 %s(%d): throwException()
#1 %s(%d): {closure}()
#2 %s(%d): loop()
#3 {main}
thrown in %s on line %d
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