Index: src/wp-includes/class-wp-comment-query.php
===================================================================
--- src/wp-includes/class-wp-comment-query.php	(revision 36409)
+++ src/wp-includes/class-wp-comment-query.php	(working copy)
@@ -220,10 +220,10 @@
 	 *     @type array        $post__not_in              Array of post IDs to exclude affiliated comments for.
 	 *                                                   Default empty.
 	 *     @type int          $post_author               Post author ID to limit results by. Default empty.
-	 *     @type string       $post_status               Post status to retrieve affiliated comments for.
-	 *                                                   Default empty.
-	 *     @type string       $post_type                 Post type to retrieve affiliated comments for.
-	 *                                                   Default empty.
+	 *     @type string|array $post_status               Post status or array of post statuses to retrieve
+	 *                                                   affiliated comments for. Default empty.
+	 *     @type string       $post_type                 Post type or array of post types to retrieve affiliated
+	 *                                                   comments for. Default empty.
 	 *     @type string       $post_name                 Post name to retrieve affiliated comments for.
 	 *                                                   Default empty.
 	 *     @type int          $post_parent               Post parent ID to retrieve affiliated comments for.
@@ -757,7 +757,7 @@
 
 		// If any post-related query vars are passed, join the posts table.
 		$join_posts_table = false;
-		$plucked = wp_array_slice_assoc( $this->query_vars, array( 'post_author', 'post_name', 'post_parent', 'post_status', 'post_type' ) );
+		$plucked = wp_array_slice_assoc( $this->query_vars, array( 'post_author', 'post_name', 'post_parent' ) );
 		$post_fields = array_filter( $plucked );
 
 		if ( ! empty( $post_fields ) ) {
@@ -769,6 +769,27 @@
 			}
 		}
 
+		// 'post_status' and 'post_type' are handled separately, due to the specialized behavior of 'any'.
+		foreach ( array( 'post_status', 'post_type' ) as $field_name ) {
+			$q_values = array();
+			if ( ! empty( $this->query_vars[ $field_name ] ) ) {
+				$q_values = $this->query_vars[ $field_name ];
+				if ( ! is_array( $q_values ) ) {
+					$q_values = explode( ',', $q_values );
+				}
+
+				// 'any' will cause the query var to be ignored.
+				if ( in_array( 'any', $q_values, true ) || empty( $q_values ) ) {
+					continue;
+				}
+
+				$join_posts_table = true;
+
+				$esses = array_fill( 0, count( $q_values ), '%s' );
+				$this->sql_clauses['where'][ $field_name ] = $wpdb->prepare( " {$wpdb->posts}.{$field_name} IN (" . implode( ',', $esses ) . ")", $q_values );
+			}
+		}
+
 		// Comment author IDs for an IN clause.
 		if ( ! empty( $this->query_vars['author__in'] ) ) {
 			$this->sql_clauses['where']['author__in'] = 'user_id IN ( ' . implode( ',', wp_parse_id_list( $this->query_vars['author__in'] ) ) . ' )';
Index: tests/phpunit/tests/comment/query.php
===================================================================
--- tests/phpunit/tests/comment/query.php	(revision 36409)
+++ tests/phpunit/tests/comment/query.php	(working copy)
@@ -1820,6 +1820,84 @@
 	}
 
 	/**
+	 * @ticket 35512
+	 */
+	public function test_post_type_any_should_override_other_post_types() {
+		register_post_type( 'post-type-1', array( 'exclude_from_search' => false ) );
+		register_post_type( 'post-type-2', array( 'exclude_from_search' => false ) );
+
+		$p1 = self::factory()->post->create( array( 'post_type' => 'post-type-1' ) );
+		$p2 = self::factory()->post->create( array( 'post_type' => 'post-type-2' ) );
+
+		$c1 = self::factory()->comment->create_post_comments( $p1, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p2, 1 );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'post_type' => array( 'any', 'post-type-1' ),
+		) );
+		$this->assertEqualSets( array_merge( $c1, $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 35512
+	 */
+	public function test_post_type_any_as_part_of_an_array_of_post_types() {
+		register_post_type( 'post-type-1', array( 'exclude_from_search' => false ) );
+		register_post_type( 'post-type-2', array( 'exclude_from_search' => false ) );
+
+		$p1 = self::factory()->post->create( array( 'post_type' => 'post-type-1' ) );
+		$p2 = self::factory()->post->create( array( 'post_type' => 'post-type-2' ) );
+
+		$c1 = self::factory()->comment->create_post_comments( $p1, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p2, 1 );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'post_type' => array( 'any' ),
+		) );
+		$this->assertEqualSets( array_merge( $c1, $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 35512
+	 */
+	public function test_post_status_any_should_override_other_post_statuses() {
+		$p1 = self::factory()->post->create( array( 'post_status' => 'publish' ) );
+		$p2 = self::factory()->post->create( array( 'post_status' => 'draft' ) );
+
+		$c1 = self::factory()->comment->create_post_comments( $p1, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p2, 1 );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'post_status' => array( 'any', 'draft' ),
+		) );
+		$this->assertEqualSets( array_merge( $c1, $c2 ), $found );
+	}
+
+	/**
+	 * @ticket 35512
+	 */
+	public function test_post_status_any_as_part_of_an_array_of_post_statuses() {
+		$p1 = self::factory()->post->create( array( 'post_status' => 'publish' ) );
+		$p2 = self::factory()->post->create( array( 'post_status' => 'draft' ) );
+
+		$c1 = self::factory()->comment->create_post_comments( $p1, 1 );
+		$c2 = self::factory()->comment->create_post_comments( $p2, 1 );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'fields' => 'ids',
+			'post_status' => array( 'any' ),
+		) );
+		$this->assertEqualSets( array_merge( $c1, $c2 ), $found );
+	}
+
+	/**
 	 * @ticket 24826
 	 */
 	public function test_comment_query_object() {