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Subject: [Bug fortran/32454] Bounds-check misses overflow of lhs array
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------- Comment #3 from burnus at gcc dot gnu dot org  2010-07-01 15:16 -------
(In reply to comment #2)
> > Fortran 95. Maybe using:
> >   integer, dimension(4) :: y
> > is a better test case.
> 
> It is caught at compile time:
>   y = [y, (99,i=1,4)]
>   1
> Error: Different shape for array assignment at (1) on dimension 1 (4 and 8)

Not if you write it as:
  n = 4
  y = [y, (99,i=1,n)]


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32454