hphp/test/slow/bug-3725260.php

   1 <?hh
   2
   3 // Test that concat binops with un-used results are not incorrectly optimized
   4 // away if they can invoke side-effects. See task #3725260.
   5
   6 class A {
   7   public function __toString()[] { echo "__toString()\n"; return "heh"; }
   8 }
   9
  10
  11 <<__EntryPoint>>
  12 function main_bug_3725260() {
  13 $a = new A();
  14 $b = new A();
  15 $a . $b;
  16
  17 echo "done\n";
  18 }