diff options
Diffstat (limited to 'gcc/testsuite/gfortran.dg/dependent_decls_1.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/dependent_decls_1.f90 | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/dependent_decls_1.f90 b/gcc/testsuite/gfortran.dg/dependent_decls_1.f90 new file mode 100644 index 000000000..cca0eae51 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/dependent_decls_1.f90 @@ -0,0 +1,39 @@ +! { dg-do run } +! Tests the fix for pr28660 in which the order of dependent declarations +! would get scrambled in the compiled code. +! +! Contributed by Erik Edelmann <erik.edelmann@iki.fi> +! +program bar + implicit none + real :: x(10) + call foo1 (x) + call foo2 (x) + call foo3 (x) +contains + subroutine foo1 (xmin) + real, intent(inout) :: xmin(:) + real :: x(size(xmin)+1) ! The declaration for r would be added + real :: r(size(x)-1) ! to the function before that of x + xmin = r + if (size(r) .ne. 10) call abort () + if (size(x) .ne. 11) call abort () + end subroutine foo1 + subroutine foo2 (xmin) ! This version was OK because of the + real, intent(inout) :: xmin(:) ! renaming of r which pushed it up + real :: x(size(xmin)+3) ! the symtree. + real :: zr(size(x)-3) + xmin = zr + if (size(zr) .ne. 10) call abort () + if (size(x) .ne. 13) call abort () + end subroutine foo2 + subroutine foo3 (xmin) + real, intent(inout) :: xmin(:) + character(size(x)+2) :: y ! host associated x + character(len(y)+3) :: z ! This did not work for any combination + real :: r(len(z)-5) ! of names. + xmin = r + if (size(r) .ne. 10) call abort () + if (len(z) .ne. 15) call abort () + end subroutine foo3 +end program bar |