2 files changed, 6 insertions, 4 deletions
diff --git a/llvm/tools/llvm-as-fuzzer/llvm-as-fuzzer.cpp b/llvm/tools/llvm-as-fuzzer/llvm-as-fuzzer.cpp
index 47cea87cc37..b4024bcaa99 100644
--- a/llvm/tools/llvm-as-fuzzer/llvm-as-fuzzer.cpp
+++ b/llvm/tools/llvm-as-fuzzer/llvm-as-fuzzer.cpp
@@ -43,7 +43,7 @@ static bool InstalledHandler = false;
 
 } // end of anonymous namespace
 
-extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
 
   // Allocate space for locals before setjmp so that memory can be collected
   // if parse exits prematurely (via longjmp).
@@ -58,7 +58,7 @@ extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
 
   if (setjmp(JmpBuf))
     // If reached, we have returned with non-zero status, so exit.
-    return;
+    return 0;
 
   // TODO(kschimpf) Write a main to do this initialization.
   if (!InstalledHandler) {
@@ -69,7 +69,8 @@ extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
   M = parseAssembly(MemBuf->getMemBufferRef(), Err, Context);
 
   if (!M.get())
-    return;
+    return 0;
 
   verifyModule(*M.get());
+  return 0;
 }
diff --git a/llvm/tools/llvm-mc-fuzzer/llvm-mc-fuzzer.cpp b/llvm/tools/llvm-mc-fuzzer/llvm-mc-fuzzer.cpp
index 7710f80985d..3f80e4582ee 100644
--- a/llvm/tools/llvm-mc-fuzzer/llvm-mc-fuzzer.cpp
+++ b/llvm/tools/llvm-mc-fuzzer/llvm-mc-fuzzer.cpp
@@ -62,7 +62,7 @@ static cl::list<std::string>
                cl::desc("Options to pass to the fuzzer"), cl::ZeroOrMore,
                cl::PositionalEatsArgs);
 
-void DisassembleOneInput(const uint8_t *Data, size_t Size) {
+int DisassembleOneInput(const uint8_t *Data, size_t Size) {
   char AssemblyText[AssemblyTextBufSize];
 
   std::vector<uint8_t> DataCopy(Data, Data + Size);
@@ -85,6 +85,7 @@ void DisassembleOneInput(const uint8_t *Data, size_t Size) {
       break;
   } while (Consumed != 0);
   LLVMDisasmDispose(Ctx);
+  return 0;
 }
 
 int main(int argc, char **argv) {