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= 9--EXTENSIONS-- 10opcache 11--FILE-- 12<?php 13function xx() { return "somegarbage"; } 14switch (xx()) { 15 default: 16 if (!empty($xx)) {return;} 17} 18?> 19--EXPECTF-- 20$_main: 21 ; (lines=4, args=0, vars=1, tmps=1) 22 ; (after optimizer) 23 ; %s 240000 T1 = ISSET_ISEMPTY_CV (empty) CV0($xx) 250001 JMPNZ T1 0003 260002 RETURN null 270003 RETURN int(1) 28 29xx: 30 ; (lines=1, args=0, vars=0, tmps=0) 31 ; (after optimizer) 32 ; %s 330000 RETURN string("somegarbage") 34