Merge branch '6.4' into 7.3

* 6.4:
  don't cast strings exceeding the min/max int ranges
  do not pass the empty string to ord()
  do not coerce NAN to other types
  fix transient Console output related test

Author: nicolas-grekas

Inline.php

@@ -714,6 +714,10 @@ private static function evaluateScalar(string $scalar, int $flags, array &$refer
                 switch (true) {
                     case ctype_digit($scalar):
                     case '-' === $scalar[0] && ctype_digit(substr($scalar, 1)):
+                        if ($scalar < \PHP_INT_MIN || \PHP_INT_MAX < $scalar) {
+                            return $scalar;
+                        }
+
                         $cast = (int) $scalar;
 
                         return ($scalar === (string) $cast) ? $cast : $scalar;