[patch, fortran] Fix PR 89174, segfault on allocate with MOLD

[Steve Kargl]

On Mon, Feb 25, 2019 at 01:58:27PM -0800, Steve Kargl wrote:
> On Mon, Feb 25, 2019 at 10:03:29PM +0100, Thomas König wrote:
> > Hi Steve,
> > 
> > >> I think this was introduced quite some time ago, not sure if it
> > >> was ever documented anywhere.  I guess we should do so.
> > >>
> > > Probably want to document this in the testcase.
> > 
> > I just checked and found 77 occurences in the test suite (most of
> > them mine, to be sure).  So, maybe an entry in the wiki would be
> > more appropriate.
> > 
> > I am just trying to think of who introduced this (or if this
> > is even gfortran specific), but coming up blank.  Does anybody
> > remember?
> > 
> 
> It looks like a fortuitous accident.  
> 
> % svn annotate gcc/testsuite/lib/gfortran-dg.exp
>  84792       tobi       # look if this is dg-do-run test, in which case
>  84792       tobi       # we cycle through the option list, otherwise we don't
>  84792       tobi       if [expr [search_for $test "dg-do run"]] {
> 135381      janis           set option_list $torture_with_loops
>  84792       tobi       } else {
>  84792       tobi           set option_list [list { -O } ]
>  84792       tobi       }
> 
> The string "dg-do  run" does not match, so the torture loops are run.
> 

Whoop. s/are run/are not run/

IIRC, r84792 is the earliest svn revision for gfortran.
Need to go back to the old cvs repository to find out 
more.
-- 
Steve
20170425 https://www.youtube.com/watch?v=VWUpyCsUKR4
20161221 https://www.youtube.com/watch?v=IbCHE-hONow