Description:
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If a static function call on an as-yet-undefined class is made and the result is passed directly into a method on a different object (not $this) and the registered autoload function then throws an exception, a segfault results.

Test script:
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http://pastebin.com/W6vHq4qt

Expected result:
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An exception.

Actual result:
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PHP 5.4.34 (cli) (built: Oct 20 2014 20:38:26)

Starting program: /usr/local/bin/php crash.php
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
0x0830341f in gc_zval_possible_root (zv=zv@entry=0xb7c15ce4)
    at /var/tmp/php-5.4.34/Zend/zend_gc.c:143
143                     GC_ZOBJ_CHECK_POSSIBLE_ROOT(zv);