-error_code MemoryBuffer::getOpenFileSlice(int FD, const char *Filename,
- std::unique_ptr<MemoryBuffer> &Result,
- uint64_t MapSize, int64_t Offset,
- bool IsVolatileSize) {
- return getOpenFileImpl(FD, Filename, Result, -1, MapSize, Offset, false,
+ErrorOr<std::unique_ptr<MemoryBuffer>>
+MemoryBuffer::getOpenFileSlice(int FD, const char *Filename, uint64_t MapSize,
+ int64_t Offset, bool IsVolatileSize) {
+ return getOpenFileImpl(FD, Filename, -1, MapSize, Offset, false,