[Bug fortran/59700] [4.8/4.9 Regression] Misleading/buggy runtime error message: Bad integer for item 0 in list input

[sgk at troutmask dot apl.washington.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59700

--- Comment #9 from Steve Kargl <sgk at troutmask dot apl.washington.edu> ---
On Thu, Jan 09, 2014 at 08:45:19PM +0000, dominiq at lps dot ens.fr wrote:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59700
> 
> --- Comment #8 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> Do you understand the '++' in
> 
> 642      dtp->u.p.line_buffer[dtp->u.p.item_count++] = c;
> 
> ?

It's C post-increment operator.  If you had a->b[i++] = c and i = 2,
then you are setting a->b[2] = c and afterwards doing i = i + 1 = 3.

PS: Yes, I noticed that the testsuite has no tests for these
runtime errors.