MAGETWO-95880: Fail to install Magento 2.3.0 on cloud

Oleksandr Gorkun · cpartica · commit afd779379611 · 2018-10-25T13:48:43.000-05:00
diff --git a/app/code/Magento/Config/App/Config/Type/System.php b/app/code/Magento/Config/App/Config/Type/System.php
@@ -140,6 +140,7 @@ public function get($path = '')
      */
     private function mergeData(array $newData): void
     {
+        return $this->data = array_merge_recursive($this->data, $newData);
         if (array_key_exists(ScopeInterface::SCOPE_DEFAULT, $newData)) {
             //Sometimes new data may contain links to arrays and we don't want that.
             $this->data[ScopeInterface::SCOPE_DEFAULT] = (array)$newData[ScopeInterface::SCOPE_DEFAULT];

Original file line number	Diff line number	Diff line change
`@@ -140,6 +140,7 @@ public function get($path = '')`
`140`	`140`	`*/`
`141`	`141`	`private function mergeData(array $newData): void`
`142`	`142`	`{`
	`143`	`+ return $this->data = array_merge_recursive($this->data, $newData);`
`143`	`144`	`if (array_key_exists(ScopeInterface::SCOPE_DEFAULT, $newData)) {`
`144`	`145`	`//Sometimes new data may contain links to arrays and we don't want that.`
`145`	`146`	`$this->data[ScopeInterface::SCOPE_DEFAULT] = (array)$newData[ScopeInterface::SCOPE_DEFAULT];`