1--TEST-- 2Bug #79836 (Segfault in concat_function) 3--INI-- 4opcache.optimization_level = 0x7FFEBFFF & ~0x400 5--FILE-- 6<?php 7$x = 'non-empty'; 8ob_start(function () use (&$c) { 9 $c = 0; 10}, 1); 11$c = []; 12$x = $c . $x; 13$x = $c . $x; 14ob_end_clean(); 15echo "Done\n"; 16?> 17--EXPECT-- 18Done 19
