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--TEST--
Printing the stack trace in a generator
--FILE--
<?php
function f1() {
debug_print_backtrace();
}
function f2($arg1, $arg2) {
f1();
yield; // force generator
}
function f3($gen) {
$gen->rewind(); // trigger run
}
$gen = f2('foo', 'bar');
f3($gen);
?>
--EXPECTF--
#0 f1() called at [%s:%d]
#1 f2(foo, bar)
#2 Generator->rewind() called at [%s:%d]
#3 f3(Generator Object ()) called at [%s:%d]
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