Rollup merge of #135837 - ChrisDenton:trunc, r=Noratrieb

Remove test panic from File::open
Fixes#135831

Author: matthiaskrgr

library/std/src/sys/pal/windows/fs.rs

@@ -328,9 +328,6 @@ impl File {
  mem::size_of::<c::FILE_ALLOCATION_INFO>()asu32,
 );
 if result == 0{
-if api::get_last_error().code != 0{
-panic!("FILE_ALLOCATION_INFO failed!!!");
-}
 let eof = c::FILE_END_OF_FILE_INFO{EndOfFile:0};
 let result = c::SetFileInformationByHandle(
  handle.as_raw_handle(),