1--TEST-- 2For SSA form the entry block should have no predecessors 3--FILE-- 4<?php 5 6function test() { 7 while (true) { 8 var_dump($a + 1); 9 $a = 1; 10 if (@$i++) { 11 break; 12 } 13 } 14} 15 16function test2() { 17 while (true) { 18 $a = 42; 19 if (@$i++ > 1) { 20 break; 21 } 22 $a = new stdClass; 23 } 24} 25 26test(); 27test2(); 28 29?> 30--EXPECTF-- 31Warning: Undefined variable $a in %s on line %d 32int(1) 33int(2) 34