54 lines
1.6 KiB
Fortran
54 lines
1.6 KiB
Fortran
! { dg-do compile }
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! { dg-options "-fwhole-file -fdump-tree-original" }
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!
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! PR fortran/43042 - fix ICE with c_null_ptr when using
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! -fwhole-file (or -flto, which implies -fwhole-file).
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!
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! Testcase based on c_ptr_tests_14.f90 (PR fortran/41298)
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! Check that c_null_ptr default initializer is really applied
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module m
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use iso_c_binding
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type, public :: fgsl_file
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type(c_ptr) :: gsl_file = c_null_ptr
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type(c_funptr) :: gsl_func = c_null_funptr
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type(c_ptr) :: NIptr
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type(c_funptr) :: NIfunptr
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end type fgsl_file
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contains
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subroutine sub(aaa,bbb)
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type(fgsl_file), intent(out) :: aaa
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type(fgsl_file), intent(inout) :: bbb
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end subroutine
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subroutine proc() bind(C)
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end subroutine proc
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end module m
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program test
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use m
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implicit none
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type(fgsl_file) :: file, noreinit
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integer, target :: tgt
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call sub(file, noreinit)
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if(c_associated(file%gsl_file)) call abort()
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if(c_associated(file%gsl_func)) call abort()
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file%gsl_file = c_loc(tgt)
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file%gsl_func = c_funloc(proc)
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call sub(file, noreinit)
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if(c_associated(file%gsl_file)) call abort()
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if(c_associated(file%gsl_func)) call abort()
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end program test
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! { dg-final { scan-tree-dump-times "gsl_file = 0B" 1 "original" } }
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! { dg-final { scan-tree-dump-times "gsl_func = 0B" 1 "original" } }
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! { dg-final { scan-tree-dump-times "NIptr = 0B" 0 "original" } }
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! { dg-final { scan-tree-dump-times "NIfunptr = 0B" 0 "original" } }
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! { dg-final { scan-tree-dump-times "bbb =" 0 "original" } }
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! { dg-final { cleanup-tree-dump "original" } }
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! { dg-final { cleanup-modules "m" } }
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