Fix some undefined beahvior in FileMapping.
This was broken when building a 32-bit native toolchain, as
shifting a size_t right by 32 is UB when sizeof(size_t) == 8.
llvm-svn: 318462
diff --git a/llvm/lib/Support/Windows/Path.inc b/llvm/lib/Support/Windows/Path.inc
index f65ed5c..dd42055 100644
--- a/llvm/lib/Support/Windows/Path.inc
+++ b/llvm/lib/Support/Windows/Path.inc
@@ -734,8 +734,8 @@
HANDLE FileMappingHandle =
::CreateFileMappingW(FileHandle, 0, flprotect,
- Size >> 32,
- Size & 0xffffffff,
+ Hi_32(Size),
+ Lo_32(Size),
0);
if (FileMappingHandle == NULL) {
std::error_code ec = mapWindowsError(GetLastError());