[m-rev.] for review: read and write bitmaps in bitmap.m

[Julien Fischer]

On Sat, 5 Mar 2022, Zoltan Somogyi wrote:

>
> 2022-03-05 19:26 GMT+11:00 "Zoltan Somogyi" <zoltan.somogyi at runbox.com>:
>> It is being bootchecked in C# right now; it is in the middle of tests/hard_coded.
>> Java is next.
>
> The C# bootcheck finished with 281 unexpected test case failures, which is
> almost double the number I remember from the last time I did a C# bootcheck
> (which was more than a year ago).
>
> Can anyone tell me what the current baseline number of unexpected test case failures
> are for C# and Java, so I know whether 281 represents a regression or not?
> testing.mercurylang.org does not have that info, and I can get it myself only by
> having my laptop work on nothing but that for half a day.

There is an issue with read_file_as_string in the C# grade at the moment
and that is causing additional failures in that grade.   I'll set some
bootchecks in those grades and get you some accurate counts.

Julien.