1--TEST-- 2GH-11245: In some specific cases SWITCH with one default statement will cause segfault (VAR variation) 3--INI-- 4opcache.enable=1 5opcache.enable_cli=1 6opcache.optimization_level=0x7FFFBFFF 7opcache.opt_debug_level=0x20000 8opcache.preload= 9zend_test.observer.enabled=0 10--EXTENSIONS-- 11opcache 12--FILE-- 13<?php 14function xx() { return "somegarbage"; } 15switch (xx()) { 16 default: 17 if (!empty($xx)) {return;} 18} 19?> 20--EXPECTF-- 21$_main: 22 ; (lines=4, args=0, vars=1, tmps=1) 23 ; (after optimizer) 24 ; %s 250000 T1 = ISSET_ISEMPTY_CV (empty) CV0($xx) 260001 JMPNZ T1 0003 270002 RETURN null 280003 RETURN int(1) 29 30xx: 31 ; (lines=1, args=0, vars=0, tmps=0) 32 ; (after optimizer) 33 ; %s 340000 RETURN string("somegarbage") 35