Bug #74444 [NEW]: multiple catch freezes in some cases

From: matej21 at matej21 dot cz Operating system: PHP version: 7.1.4 Package: Scripting Engine problem Bug Type: Bug Bug description:multiple catch freezes in some cases Description: ------------ if there is exact number of opcodes before multi-catch, php freezes. adding or removing just one opcode fixes the issue. relevant oplines: L64 #58 ECHO "" L67 #59 NEW "RuntimeException" @0 L67 #60 DO_FCALL L67 #61 THROW @0 L67 #62 JMP J67 L68 #63 CATCH "FooEx" $e 0 L68 #64 JMP J66 L68 #65 CATCH "RuntimeException" $e 1 L69 #66 ECHO 1 L71 #67 RETURN null Test script: --------------- <?php function doSth() { echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; echo ''; try { throw new \RuntimeException(); } catch (\FooEx | \RuntimeException $e) { echo 1; } } doSth(); Expected result: ---------------- 1 Actual result: -------------- php freezes -- Edit bug report at https://bugs.php.net/bug.php?id=74444&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=74444&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=74444&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=74444&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=74444&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=74444&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=74444&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=74444&r=needscript Try newer version: https://bugs.php.net/fix.php?id=74444&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=74444&r=support Expected behavior: https://bugs.php.net/fix.php?id=74444&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=74444&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=74444&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=74444&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=74444&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=74444&r=dst IIS Stability: https://bugs.php.net/fix.php?id=74444&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=74444&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=74444&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=74444&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=74444&r=mysqlcfg