gcc/testsuite/gfortran.dg/reshape-alloc.f90

   1 ! { dg-do run }
   2 ! PR 20074: This used to segfault at runtime.
   3 ! Test case contributed by "Alfredo Buttari" <pitagoras@tin.it>
   4
   5 program tryreshape
   6
   7   integer,allocatable :: vect1(:),resh1(:,:)
   8   integer,pointer :: vect(:),resh(:,:)
   9   integer :: vect2(2*4), resh2(2,4)
  10   integer :: r, s(2)
  11
  12   r=2;  nb=4
  13
  14   s(:)=(/r,nb/)
  15
  16   allocate(vect(nb*r),vect1(nb*r))
  17   allocate(resh(r,nb),resh1(r,nb))
  18
  19   vect =1
  20   vect1=1
  21   vect2=1
  22
  23   resh2 = reshape(vect2,s)
  24   if (resh2(1,1) /= 1.0) STOP 1
  25
  26   resh1 = reshape(vect1,s)
  27   if (resh1(1,1) /= 1.0) STOP 2
  28
  29   resh = reshape(vect,s)
  30   if (resh(1,1) /= 1.0) STOP 3
  31
  32 end program tryreshape