fallback to lstat when stat fails on Windows

Author: chaitanyav

std/src/sys/windows/fs.rs

@@ -1236,7 +1236,19 @@ pub fn link(_original: &Path, _link: &Path) -> io::Result<()> {
 }
 
 pub fn stat(path: &Path) -> io::Result<FileAttr> {
-    metadata(path, ReparsePoint::Follow)
+    match metadata(path, ReparsePoint::Follow) {
+        Err(err) => {
+            if err.raw_os_error() == Some(c::ERROR_CANT_ACCESS_FILE as i32) {
+                if let Ok(attrs) = lstat(path) {
+                    if !attrs.file_type().is_symlink() {
+                        return Ok(attrs);
+                    }
+                }
+            }
+            Err(err)
+        },
+        Ok(attrs) => Ok(attrs),
+    }
 }
 
 pub fn lstat(path: &Path) -> io::Result<FileAttr> {