Bug #76007 [Ver->Csd]: Different garbage collection behavior on PHP7.1 and 7.2

Edit report at https://bugs.php.net/bug.php?id=76007&edit=1 ID: 76007 Updated by: cmb@php.net Reported by: maestroprog at gmail dot com Summary: Different garbage collection behavior on PHP7.1 and 7.2 -Status: Verified +Status: Closed Type: Bug Package: Scripting Engine problem Operating System: Ubuntu Artful PHP Version: 7.2.2 -Assigned To: +Assigned To: cmb Block user comment: N Private report: N New Comment: This has apparently been fixed in the meantime[1]. [1] <https://3v4l.org/JQEOj> Previous Comments: ------------------------------------------------------------------------ [2018-10-06 21:58:40] cmb@php.net I can confirm this behavioral change, which has been introduced with commit fac9565[1]. [1] <http://git.php.net/?p=php-src.git;a=commit;h=fac95658b3201fdc7924cd3afa44a5f7afc194aa> ------------------------------------------------------------------------ [2018-02-25 22:22:22] maestroprog at gmail dot com Description: ------------ This (test script) code on PHP 7.1 throws the exception. But on PHP 7.2 there is no such. But if write at the end of the script: unset($generator); then PHP 7.2 throws the exception. Sample: https://3v4l.org/JQEOj Test script: --------------- <?php function shutdown(): \Generator { try { yield; } finally { echo 'UNSET BEFORE yield', PHP_EOL; yield; } } $generator = shutdown(); $generator->rewind(); Expected result: ---------------- UNSET BEFORE yield Fatal error: Uncaught Error: Cannot yield from finally in a force-closed generator... Actual result: -------------- UNSET BEFORE yield ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=76007&edit=1