[patch, libgfortran] PR67367 Program crashes on READ

[Jerry DeLisle]

On 08/28/2015 10:18 PM, Jerry DeLisle wrote:
> I found that in read_buf where raw_read is called, no checks for errors were
> being made,  raw_read returns the number of bytes read or an error code.  In the
> test case, an error occurs and we proceeded to use the resulting error code as
> if it were the number of bytes read.
> 
> The attached patch fixes this.  Regression tested on x86_64.  New test case
> provided.
> 
> OK for trunk?
> 

Committed.  I should mention, the test case may fail on some platforms since the
system call may be dependent. I will xfail those as we learn which. Test case
committed revision 227321.

Regards,

Jerry