From 5e6dddad3e0405bb78066ebb347e790db2c176be Mon Sep 17 00:00:00 2001
From: Nick Rolfe <nickrolfe@github.com>
Date: Thu, 13 May 2021 16:59:05 +0100
Subject: [PATCH] Replace count(getReceiver()) with 1

---
 .../codeql_ruby/controlflow/internal/ControlFlowGraphImpl.qll | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ql/src/codeql_ruby/controlflow/internal/ControlFlowGraphImpl.qll b/ql/src/codeql_ruby/controlflow/internal/ControlFlowGraphImpl.qll
index d8762f66cc8..0415e8339cd 100644
--- a/ql/src/codeql_ruby/controlflow/internal/ControlFlowGraphImpl.qll
+++ b/ql/src/codeql_ruby/controlflow/internal/ControlFlowGraphImpl.qll
@@ -915,9 +915,9 @@ module Trees {
     final override ControlFlowTree getChildNode(int i) {
       result = this.getReceiver() and i = 0
       or
-      result = this.getArgument(i - count(this.getReceiver()))
+      result = this.getArgument(i - 1)
       or
-      result = this.getBlock() and i = count(this.getReceiver()) + this.getNumberOfArguments()
+      result = this.getBlock() and i = 1 + this.getNumberOfArguments()
     }
   }