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-rw-r--r--llvm_mode/afl-clang-fast.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm_mode/afl-clang-fast.c b/llvm_mode/afl-clang-fast.c
index 57d7b89a..c0471033 100644
--- a/llvm_mode/afl-clang-fast.c
+++ b/llvm_mode/afl-clang-fast.c
@@ -223,8 +223,10 @@ static void edit_params(u32 argc, char **argv, char **envp) {
 
   }
 
-  if (getenv("LAF_TRANSFORM_COMPARES") ||
-      getenv("AFL_LLVM_LAF_TRANSFORM_COMPARES")) {
+  if ((!(getenv("AFL_LLVM_LTO_AUTODICTIONARY")   // disabled when autodictionary
+         && instrument_mode != INSTRUMENT_LTO))  // and lto_mode is used
+      && (getenv("LAF_TRANSFORM_COMPARES") ||
+          getenv("AFL_LLVM_LAF_TRANSFORM_COMPARES"))) {
 
     cc_params[cc_par_cnt++] = "-Xclang";
     cc_params[cc_par_cnt++] = "-load";