Bug #69887 [Asn->Dup]: yield leaks temporary variables when Generator is aborted

Edit report at https://bugs.php.net/bug.php?id=69887&edit=1 ID: 69887 Updated by: tyrael@php.net Reported by: bwoebi@php.net Summary: yield leaks temporary variables when Generator is aborted -Status: Assigned +Status: Duplicate Type: Bug Package: Scripting Engine problem Operating System: Irrelevant PHP Version: 7.0Git-2015-06-19 (Git) Assigned To: nikic Block user comment: N Private report: N New Comment: we can use https://bugs.php.net/bug.php?id=62210 to track the status of this problem. Previous Comments: ------------------------------------------------------------------------ [2015-06-19 21:36:50] nikic@php.net This is the same issue as https://bugs.php.net/bug.php?id=62210. There is no simple fix for it. ------------------------------------------------------------------------ [2015-06-19 21:34:01] bwoebi@php.net Description: ------------ Temporary variables of an aborted vm stack are never freed and thus leak... Test script: --------------- $gen = (function(){ $tmp = 1; [$tmp] + yield; // temporary variable created, but never freed as it halts after yield })(); $gen->valid(); // run until first yield Expected result: ---------------- No memory leak Actual result: -------------- [Fri Jun 19 23:29:53 2015] Script: '/Users/Bob/Icicle/examples/repro2.php' Zend/zend_vm_execute.h(35171) : Freeing 0x103C5B480 (56 bytes), script=/Users/Bob/Icicle/examples/repro2.php [Fri Jun 19 23:29:53 2015] Script: '/Users/Bob/Icicle/examples/repro2.php' /Users/Bob/php-src-7.0x/Zend/zend_hash.c(128) : Freeing 0x103C61B40 (264 bytes), script=/Users/Bob/Icicle/examples/repro2.php === Total 2 memory leaks detected === ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=69887&edit=1