Description:
------------
Using :
- Windows 2K or XP
- PHP CLI 5.1.6.6 from binary package
- PHP_RUNKIT.DLL 5.1.2.2 from PECL4Win binary package 2006-09-19 06:09:15 for php-5.1.2 (branch 5_1)

Reproduce code:
---------------
FROM MAIN "BUG.PHP"
<?php

	// Import buggy method using runkit
	runkit_import('bug.inc', RUNKIT_IMPORT_CLASS_METHODS);

	// Create buggy class object
	$g_oBuggyObject = new cBuggyClass();

	// Try to trigger the bug once
	$g_oBuggyObject->mBuggyMethod();

	// Buggy class initial definition
	class cBuggyClass
	{
	}

?>



FROM INCLUDED FILE "BUG.INC"
<?php

	// Add a method to cBuggyclass
	class cBuggyClass
	{
		// Member function using a static cache
		public function mBuggyMethod()
		{
			// CRASH WITH THIS LINE UNCOMMENTED
			static $ls_a_iCache;

			// Debug trace
			echo 'mBuggyMethod();'.PHP_EOL;
		}
	}

?>

Expected result:
----------------
"mBuggyMethod();"

Actual result:
--------------
"mBuggyMethod();"

and then a Windows error popup

"Instruction at 0x784ad989 reference memoty 0x178e6ba. The memory cannot be written."