Merge branch '4.2' into 4.3

* 4.2:
  Fix link to documentation
  [Validator] Use LogicException for missing Property Access Component in comparison constraints

Author: fabpot

Constraints/AbstractComparison.php

@@ -14,6 +14,7 @@
 use Symfony\Component\PropertyAccess\PropertyAccess;
 use Symfony\Component\Validator\Constraint;
 use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
+use Symfony\Component\Validator\Exception\LogicException;
 
 /**
  * Used for the comparison of values.
@@ -46,7 +47,7 @@ public function __construct($options = null)
             }
 
             if (isset($options['propertyPath']) && !class_exists(PropertyAccess::class)) {
-                throw new ConstraintDefinitionException(sprintf('The "%s" constraint requires the Symfony PropertyAccess component to use the "propertyPath" option.', \get_class($this)));
+                throw new LogicException(sprintf('The "%s" constraint requires the Symfony PropertyAccess component to use the "propertyPath" option.', \get_class($this)));
             }
         }