Bug #76181 [NEW]: `yield`ed item is lost after sending an exception to the generator

From: samuel dot roze at gmail dot com Operating system: OSX PHP version: 7.2.4 Package: *Programming Data Structures Bug Type: Bug Bug description:yielded item is lost after sending an exception to the generator Description: ------------ When calling throw($e) on a Generator while iterating over it, it looks like it "lose" one of the items that have been yielded. See the following Gist: https://gist.github.com/sroze/2ed22483b5fd35081b4fa31f02fd1a24#file-bug-example-php Test script: --------------- https://gist.githubusercontent.com/sroze/2ed22483b5fd35081b4fa31f02fd1a24/raw/b91b113e48f4730358fe75a4661bd5531b553d14/bug-example.php Expected result: ---------------- Got exception do nothing Got message test2 Got message test3 Actual result: -------------- Got exception do nothing Got message test3 -- Edit bug report at https://bugs.php.net/bug.php?id=76181&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=76181&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=76181&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=76181&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=76181&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=76181&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=76181&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=76181&r=needscript Try newer version: https://bugs.php.net/fix.php?id=76181&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=76181&r=support Expected behavior: https://bugs.php.net/fix.php?id=76181&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=76181&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=76181&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=76181&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=76181&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=76181&r=dst IIS Stability: https://bugs.php.net/fix.php?id=76181&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=76181&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=76181&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=76181&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=76181&r=mysqlcfg