Fix build of llvm-mc-assemble/disassemble-fuzzer

Since these aren't built by default unless building with coverage (and
even then they aren't built for the check target) they've managed to
bit rot a little.

This just fixes the build. See llvm.org/pr34314 for the plan on making
sure these don't bit rot again.

llvm-svn: 312011

1 files changed, 3 insertions, 2 deletions

diff --git a/llvm/tools/llvm-mc-disassemble-fuzzer/llvm-mc-disassemble-fuzzer.cpp b/llvm/tools/llvm-mc-disassemble-fuzzer/llvm-mc-disassemble-fuzzer.cpp
index 482fc77db59..36d1f7ca994 100644
--- a/llvm/tools/llvm-mc-disassemble-fuzzer/llvm-mc-disassemble-fuzzer.cpp
+++ b/llvm/tools/llvm-mc-disassemble-fuzzer/llvm-mc-disassemble-fuzzer.cpp
@@ -73,11 +73,12 @@ int DisassembleOneInput(const uint8_t *Data, size_t Size) {
   return 0;
 }
 
-int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
   return DisassembleOneInput(Data, Size);
 }
 
-int LLVMFuzzerInitialize(int *argc, char ***argv) {
+extern "C" LLVM_ATTRIBUTE_USED int LLVMFuzzerInitialize(int *argc,
+                                                        char ***argv) {
   // The command line is unusual compared to other fuzzers due to the need to
   // specify the target. Options like -triple, -mcpu, and -mattr work like
   // their counterparts in llvm-mc, while -fuzzer-args collects options for the