From c0f5c13516a8dfbb0592c6e63d27e7046e9ead1e Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Tue, 2 Jun 2020 09:45:19 +0200
Subject: [PATCH] RuleSetGenerator instance does not need to be kept around
 anymore

---
 src/Composer/DependencyResolver/Solver.php | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/Composer/DependencyResolver/Solver.php b/src/Composer/DependencyResolver/Solver.php
index 7c2d3a00c..73e79c819 100644
--- a/src/Composer/DependencyResolver/Solver.php
+++ b/src/Composer/DependencyResolver/Solver.php
@@ -31,8 +31,6 @@ class Solver
 
     /** @var RuleSet */
     protected $rules;
-    /** @var RuleSetGenerator */
-    protected $ruleSetGenerator;
 
     /** @var RuleWatchGraph */
     protected $watchGraph;
@@ -192,8 +190,9 @@ class Solver
         $this->setupFixedMap($request);
 
         $this->io->writeError('Generating rules', true, IOInterface::DEBUG);
-        $this->ruleSetGenerator = new RuleSetGenerator($this->policy, $this->pool);
-        $this->rules = $this->ruleSetGenerator->getRulesFor($request, $ignorePlatformReqs);
+        $ruleSetGenerator = new RuleSetGenerator($this->policy, $this->pool);
+        $this->rules = $ruleSetGenerator->getRulesFor($request, $ignorePlatformReqs);
+        unset($ruleSetGenerator);
         $this->checkForRootRequireProblems($request, $ignorePlatformReqs);
         $this->decisions = new Decisions($this->pool);
         $this->watchGraph = new RuleWatchGraph;