From 531380d6ab9d2467d174ae45dcfa64bbf12230c0 Mon Sep 17 00:00:00 2001
From: Keno Hassler <40292329+kenohassler@users.noreply.github.com>
Date: Mon, 24 Apr 2023 17:46:56 +0200
Subject: [PATCH] llvm-lto: allow skipping initialization

---
 instrumentation/SanitizerCoverageLTO.so.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/instrumentation/SanitizerCoverageLTO.so.cc b/instrumentation/SanitizerCoverageLTO.so.cc
index e41f19b6..42583f9e 100644
--- a/instrumentation/SanitizerCoverageLTO.so.cc
+++ b/instrumentation/SanitizerCoverageLTO.so.cc
@@ -1005,7 +1005,8 @@ bool ModuleSanitizerCoverageLTO::instrumentModule(
   // afl++ START
   if (dFile.is_open()) dFile.close();
 
-  if (!getenv("AFL_LLVM_LTO_DONTWRITEID") || dictionary.size() || map_addr) {
+  if (!getenv("AFL_LLVM_LTO_SKIPINIT") &&
+      (!getenv("AFL_LLVM_LTO_DONTWRITEID") || dictionary.size() || map_addr)) {
 
     // yes we could create our own function, insert it into ctors ...
     // but this would be a pain in the butt ... so we use afl-llvm-rt-lto.o