symfony
diff --git a/‎src/Symfony/Component/Validator/Constraint.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Validator/Constraint.php
+4Lines changed: 4 additions & 0 deletions b/‎src/Symfony/Component/Validator/Constraint.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Validator/Constraint.php
+4Lines changed: 4 additions & 0 deletions
@@ -226,6 +226,10 @@ public function __isset($option)
      */
     public function addImplicitGroupName($group)
     {
+        if (null === $this->groups && \array_key_exists('groups', (array) $this)) {
+            throw new \LogicException(sprintf('"%s::$groups" is set to null. Did you forget to call "%s::__construct()"?', static::class, self::class));
+        }
+
         if (\in_array(self::DEFAULT_GROUP, $this->groups) && !\in_array($group, $this->groups)) {
             $this->groups[] = $group;
         }
Original file line number	Diff line number	Diff line change
`@@ -226,6 +226,10 @@ public function __isset($option)`
`226`	`226`	`*/`
`227`	`227`	`public function addImplicitGroupName($group)`
`228`	`228`	`{`
	`229`	`+ if (null === $this->groups && \array_key_exists('groups', (array) $this)) {`
	`230`	`+ throw new \LogicException(sprintf('"%s::$groups" is set to null. Did you forget to call "%s::__construct()"?', static::class, self::class));`
	`231`	`+ }`
	`232`	`+`
`229`	`233`	`if (\in_array(self::DEFAULT_GROUP, $this->groups) && !\in_array($group, $this->groups)) {`
`230`	`234`	`$this->groups[] = $group;`
`231`	`235`	`}`