#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Support/Compiler.h"
+#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
bool GCStrategy::performCustomLowering(Function &F) {
cerr << "gc " << getName() << " must override performCustomLowering.\n";
- abort();
+ llvm_unreachable();
return 0;
}