From e09b3be411b0cfbf560edd4e089b2810c1ba2685 Mon Sep 17 00:00:00 2001
From: Vitaly Buka <vitalybuka@google.com>
Date: Tue, 7 Mar 2023 22:26:07 -0800
Subject: [PATCH] [fuzzer] Make sure we never delete Fuzzer

---
 compiler-rt/lib/fuzzer/FuzzerInternal.h | 4 ++--
 compiler-rt/lib/fuzzer/FuzzerLoop.cpp   | 2 --
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/compiler-rt/lib/fuzzer/FuzzerInternal.h b/compiler-rt/lib/fuzzer/FuzzerInternal.h
index a732ca87..4194bc6 100644
--- a/compiler-rt/lib/fuzzer/FuzzerInternal.h
+++ b/compiler-rt/lib/fuzzer/FuzzerInternal.h
@@ -29,12 +29,12 @@ namespace fuzzer {
 
 using namespace std::chrono;
 
-class Fuzzer {
+class Fuzzer final {
 public:
 
   Fuzzer(UserCallback CB, InputCorpus &Corpus, MutationDispatcher &MD,
          FuzzingOptions Options);
-  ~Fuzzer();
+  ~Fuzzer() = delete;
   void Loop(std::vector<SizedFile> &CorporaFiles);
   void ReadAndExecuteSeedCorpora(std::vector<SizedFile> &CorporaFiles);
   void MinimizeCrashLoop(const Unit &U);
diff --git a/compiler-rt/lib/fuzzer/FuzzerLoop.cpp b/compiler-rt/lib/fuzzer/FuzzerLoop.cpp
index 3609c7f..121f781 100644
--- a/compiler-rt/lib/fuzzer/FuzzerLoop.cpp
+++ b/compiler-rt/lib/fuzzer/FuzzerLoop.cpp
@@ -160,8 +160,6 @@ Fuzzer::Fuzzer(UserCallback CB, InputCorpus &Corpus, MutationDispatcher &MD,
   memset(BaseSha1, 0, sizeof(BaseSha1));
 }
 
-Fuzzer::~Fuzzer() {}
-
 void Fuzzer::AllocateCurrentUnitData() {
   if (CurrentUnitData || MaxInputLen == 0)
     return;
-- 
2.7.4