@@ -0,0 +1,38 @@
+<?php declare(strict_types = 1);
+
+namespace Bug12680;
+
+use function PHPStan\Testing\assertType;
+
+/**
+ * @template TKey of array-key
+ * @template TValue
+ */
+class Collection
+{
+
+	/** @return static<array-key, mixed> */
+	public function pluck(): static
+	{
+		return new static(); // @phpstan-ignore new.static
+	}
+
+	/** @return self<array-key, mixed> */
+	public function pluckSelf(): static // @phpstan-ignore return.type
+	{
+		return new static(); // @phpstan-ignore new.static
+	}
+
+	/** @return TValue */
+	public function first() // @phpstan-ignore missingType.return
+	{
+	}
+
+}
+
+function (Collection $c): void {
+	assertType('mixed', $c->pluck()->first());
+	assertType('mixed', $c->pluckSelf()->first());
+	assertType('mixed', (new Collection())->pluck()->first());
+	assertType('mixed', (new Collection())->pluckSelf()->first());
+};