forked from OSchip/llvm-project
167 lines
6.2 KiB
Fortran
167 lines
6.2 KiB
Fortran
! RUN: %python %S/test_errors.py %s %flang_fc1
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! Error tests for structure constructors: C1594 violations
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! from assigning globally-visible data to POINTER components.
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! test/Semantics/structconst04.f90 is this same test without type
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! parameters.
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module usefrom
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real, target :: usedfrom1
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end module usefrom
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module module1
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use usefrom
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implicit none
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type :: has_pointer1
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real, pointer :: ptop
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type(has_pointer1), allocatable :: link1 ! don't loop during analysis
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end type has_pointer1
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type :: has_pointer2
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type(has_pointer1) :: pnested
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type(has_pointer2), allocatable :: link2
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end type has_pointer2
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type, extends(has_pointer2) :: has_pointer3
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type(has_pointer3), allocatable :: link3
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end type has_pointer3
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type :: t1(k)
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integer, kind :: k
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real, pointer :: pt1
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type(t1(k)), allocatable :: link
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end type t1
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type :: t2(k)
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integer, kind :: k
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type(has_pointer1) :: hp1
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type(t2(k)), allocatable :: link
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end type t2
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type :: t3(k)
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integer, kind :: k
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type(has_pointer2) :: hp2
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type(t3(k)), allocatable :: link
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end type t3
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type :: t4(k)
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integer, kind :: k
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type(has_pointer3) :: hp3
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type(t4(k)), allocatable :: link
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end type t4
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real, target :: modulevar1
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type(has_pointer1) :: modulevar2
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type(has_pointer2) :: modulevar3
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type(has_pointer3) :: modulevar4
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contains
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pure subroutine ps1(dummy1, dummy2, dummy3, dummy4)
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real, target :: local1
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type(t1(0)) :: x1
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type(t2(0)) :: x2
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type(t3(0)) :: x3
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type(t4(0)) :: x4
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real, intent(in), target :: dummy1
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real, intent(inout), target :: dummy2
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real, pointer :: dummy3
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real, intent(inout), target :: dummy4[*]
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real, target :: commonvar1
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common /cblock/ commonvar1
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x1 = t1(0)(local1)
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!ERROR: Externally visible object 'usedfrom1' may not be associated with pointer component 'pt1' in a pure procedure
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x1 = t1(0)(usedfrom1)
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!ERROR: Externally visible object 'modulevar1' may not be associated with pointer component 'pt1' in a pure procedure
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x1 = t1(0)(modulevar1)
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!ERROR: Externally visible object 'cblock' may not be associated with pointer component 'pt1' in a pure procedure
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x1 = t1(0)(commonvar1)
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!ERROR: Externally visible object 'dummy1' may not be associated with pointer component 'pt1' in a pure procedure
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x1 = t1(0)(dummy1)
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x1 = t1(0)(dummy2)
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x1 = t1(0)(dummy3)
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! TODO when semantics handles coindexing:
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! TODO !ERROR: Externally visible object may not be associated with a pointer in a pure procedure
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! TODO x1 = t1(0)(dummy4[0])
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x1 = t1(0)(dummy4)
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!ERROR: Externally visible object 'modulevar2' may not be associated with pointer component 'ptop' in a pure procedure
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x2 = t2(0)(modulevar2)
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!ERROR: Externally visible object 'modulevar3' may not be associated with pointer component 'ptop' in a pure procedure
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x3 = t3(0)(modulevar3)
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!ERROR: Externally visible object 'modulevar4' may not be associated with pointer component 'ptop' in a pure procedure
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x4 = t4(0)(modulevar4)
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contains
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pure subroutine subr(dummy1a, dummy2a, dummy3a, dummy4a)
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real, target :: local1a
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type(t1(0)) :: x1a
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type(t2(0)) :: x2a
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type(t3(0)) :: x3a
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type(t4(0)) :: x4a
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real, intent(in), target :: dummy1a
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real, intent(inout), target :: dummy2a
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real, pointer :: dummy3a
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real, intent(inout), target :: dummy4a[*]
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x1a = t1(0)(local1a)
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!ERROR: Externally visible object 'usedfrom1' may not be associated with pointer component 'pt1' in a pure procedure
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x1a = t1(0)(usedfrom1)
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!ERROR: Externally visible object 'modulevar1' may not be associated with pointer component 'pt1' in a pure procedure
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x1a = t1(0)(modulevar1)
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!ERROR: Externally visible object 'commonvar1' may not be associated with pointer component 'pt1' in a pure procedure
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x1a = t1(0)(commonvar1)
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!ERROR: Externally visible object 'dummy1' may not be associated with pointer component 'pt1' in a pure procedure
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x1a = t1(0)(dummy1)
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!ERROR: Externally visible object 'dummy1a' may not be associated with pointer component 'pt1' in a pure procedure
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x1a = t1(0)(dummy1a)
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x1a = t1(0)(dummy2a)
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x1a = t1(0)(dummy3)
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x1a = t1(0)(dummy3a)
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! TODO when semantics handles coindexing:
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! TODO !ERROR: Externally visible object may not be associated with a pointer in a pure procedure
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! TODO x1a = t1(0)(dummy4a[0])
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x1a = t1(0)(dummy4a)
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!ERROR: Externally visible object 'modulevar2' may not be associated with pointer component 'ptop' in a pure procedure
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x2a = t2(0)(modulevar2)
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!ERROR: Externally visible object 'modulevar3' may not be associated with pointer component 'ptop' in a pure procedure
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x3a = t3(0)(modulevar3)
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!ERROR: Externally visible object 'modulevar4' may not be associated with pointer component 'ptop' in a pure procedure
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x4a = t4(0)(modulevar4)
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end subroutine subr
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end subroutine
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pure integer function pf1(dummy3)
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real, pointer :: dummy3
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type(t1(0)) :: x1
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pf1 = 0
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!ERROR: Externally visible object 'dummy3' may not be associated with pointer component 'pt1' in a pure procedure
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x1 = t1(0)(dummy3)
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contains
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pure subroutine subr(dummy3a)
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real, pointer :: dummy3a
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type(t1(0)) :: x1a
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!ERROR: Externally visible object 'dummy3' may not be associated with pointer component 'pt1' in a pure procedure
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x1a = t1(0)(dummy3)
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x1a = t1(0)(dummy3a)
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end subroutine
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end function
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impure real function ipf1(dummy1, dummy2, dummy3, dummy4)
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real, target :: local1
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type(t1(0)) :: x1
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type(t2(0)) :: x2
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type(t3(0)) :: x3
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type(t4(0)) :: x4
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real, intent(in), target :: dummy1
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real, intent(inout), target :: dummy2
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real, pointer :: dummy3
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real, intent(inout), target :: dummy4[*]
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real, target :: commonvar1
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common /cblock/ commonvar1
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ipf1 = 0.
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x1 = t1(0)(local1)
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x1 = t1(0)(usedfrom1)
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x1 = t1(0)(modulevar1)
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x1 = t1(0)(commonvar1)
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x1 = t1(0)(dummy1)
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x1 = t1(0)(dummy2)
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x1 = t1(0)(dummy3)
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! TODO when semantics handles coindexing:
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! TODO x1 = t1(0)(dummy4[0])
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x1 = t1(0)(dummy4)
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x2 = t2(0)(modulevar2)
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x3 = t3(0)(modulevar3)
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x4 = t4(0)(modulevar4)
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end function ipf1
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end module module1
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