From a3a069a24ed451f3d7b0a7665d5aa404e28850bc Mon Sep 17 00:00:00 2001
From: Maximilian Gerhardt <maximilian.gerhardt@rub.de>
Date: Sun, 6 Aug 2023 10:53:27 +0200
Subject: [PATCH] Fix undefined behavior in RTC.begin()

Resolves compilers generating the wrong assembly per https://github.com/arduino/ArduinoCore-renesas/issues/88
---
 libraries/RTC/src/RTC.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/RTC/src/RTC.cpp b/libraries/RTC/src/RTC.cpp
index f336cc2ff..94a80bb52 100644
--- a/libraries/RTC/src/RTC.cpp
+++ b/libraries/RTC/src/RTC.cpp
@@ -610,6 +610,7 @@ bool RTClock::begin() {
     else {
         is_initialized = false;
     }
+    return is_initialized;
 }
 
 bool RTClock::getTime(RTCTime &t) {