Bug #64515 [NEW]: Memoryleak when using the same variablename 2times in function declaration

From: hannes dot magnusson at gmail dot com Operating system: MacOSX PHP version: 5.4Git-2013-03-25 (Git) Package: Scripting Engine problem Bug Type: Bug Bug description:Memoryleak when using the same variablename 2times in function declaration Description: ------------ There is a memory leak when the same argument name is used 2 times in a function declaration. Test script: --------------- <?php function foo($unused = null, $unused = null, $bar = array()) { return 1; } foo(); Actual result: -------------- ==67447== 32 bytes in 1 blocks are definitely lost in loss record 17 of 94 ==67447== at 0x4DC7: malloc (vg_replace_malloc.c:266) ==67447== by 0x1002800CE: _emalloc (zend_alloc.c:2423) ==67447== by 0x100318565: ZEND_RECV_INIT_SPEC_CONST_HANDLER (zend_vm_execute.h:1358) ==67447== by 0x100300796: execute (zend_vm_execute.h:410) ==67447== by 0x1002BFCBA: zend_execute_scripts (zend.c:1315) ==67447== by 0x1002108AF: php_execute_script (main.c:2492) ==67447== by 0x10037E106: do_cli (php_cli.c:988) ==67447== by 0x10037CE3A: main (php_cli.c:1364) -- Edit bug report at https://bugs.php.net/bug.php?id=64515&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=64515&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=64515&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=64515&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=64515&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=64515&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=64515&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=64515&r=needscript Try newer version: https://bugs.php.net/fix.php?id=64515&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=64515&r=support Expected behavior: https://bugs.php.net/fix.php?id=64515&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=64515&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=64515&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=64515&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=64515&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=64515&r=dst IIS Stability: https://bugs.php.net/fix.php?id=64515&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=64515&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=64515&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=64515&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=64515&r=mysqlcfg