/// must locate the start of the stub or call site and pass it into the JIT
/// compiler function.
extern "C" {
-void LLVM_LIBRARY_VISIBILITY LLVMX86CompilationCallback2(intptr_t *StackPtr,
+LLVM_LIBRARY_VISIBILITY void LLVMX86CompilationCallback2(intptr_t *StackPtr,
intptr_t RetAddr) {
intptr_t *RetAddrLoc = &StackPtr[1];
// We are reading raw stack data here. Tell MemorySanitizer that it is