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-rw-r--r--lib/Support/Windows/Path.inc4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Support/Windows/Path.inc b/lib/Support/Windows/Path.inc
index 95caaa5..645d523 100644
--- a/lib/Support/Windows/Path.inc
+++ b/lib/Support/Windows/Path.inc
@@ -726,8 +726,8 @@ error_code mapped_file_region::init(int FD, bool CloseFD, uint64_t Offset) {
FileMappingHandle = ::CreateFileMapping(FileHandle,
0,
flprotect,
- Size >> 32,
- Size & 0xffffffff,
+ (Offset + Size) >> 32,
+ (Offset + Size) & 0xffffffff,
0);
if (FileMappingHandle == NULL) {
error_code ec = windows_error(GetLastError());