[patch, libgfortran] [7/8 Regression] Crash of runtime gfortran library during integer transformation

[Steve Kargl]

On Mon, May 15, 2017 at 01:10:43PM -0700, Jerry DeLisle wrote:
> 
> 2017-05-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
> 
> 	PR libgfortran/80727
> 	* transfer.c (read_sf_internal): Remove bogus code to detect EOR.
> 	(read_block_form): For internal units, generate EOR if no more
> 	bytes left in unit and we are trying to read with ADVANCE='NO'.

OK with change below.

> 
> ! { dg-do run }
> ! PR80727 Crash of runtime gfortran library during integer transformation
> ! Note: before the patch this was giving an incorrect EOR error on READ.
> program    gfortran_710_io_bug
>   character  str*4
>   integer*4  i4

    integer(4)

>   str =''
>   i = 256
>   write(str,fmt='(a)') i
>   i = 0
>   read ( unit=str(1:4), fmt='(a)' ) i4
>   if (i4.ne.256) call abort
> end  program  gfortran_710_io_bug 

-- 
Steve
20170425 https://www.youtube.com/watch?v=VWUpyCsUKR4
20161221 https://www.youtube.com/watch?v=IbCHE-hONow