0d58834700
When a scope declares the name and perhaps some characteristics of an external subprogram using any of the many means that Fortran supplies for doing such a thing, and that external subprogram's definition is available, check the local declaration against the external definition. In particular, if the global definition's interface cannot be called by means of an implicit interface, ensure that references are via an explicit and compatible interface. Further, extend call site checking so that when a local declaration exists for a known global symbol and the arguments are valid for that local declaration, the arguments are checked against the global's interface, just are is already done when no local declaration exists. Differential Revision: https://reviews.llvm.org/D139042
194 lines
6.4 KiB
Fortran
194 lines
6.4 KiB
Fortran
! RUN: %python %S/test_symbols.py %s %flang_fc1
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! Tests for "proc-interface" semantics.
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! These cases are all valid.
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!DEF: /module1 Module
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module module1
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!DEF:/module1/abstract2 ABSTRACT, POINTER, PUBLIC (Subroutine) Subprogram
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pointer :: abstract2
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abstract interface
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!DEF: /module1/abstract1 ABSTRACT, PUBLIC (Function) Subprogram REAL(4)
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!DEF: /module1/abstract1/x INTENT(IN) ObjectEntity REAL(4)
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real function abstract1(x)
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!REF: /module1/abstract1/x
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real, intent(in) :: x
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end function abstract1
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!REF:/module1/abstract2
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subroutine abstract2
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end subroutine
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!DEF:/module1/abstract3 ABSTRACT, POINTER, PUBLIC (Subroutine) Subprogram
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subroutine abstract3
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end subroutine
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end interface
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!REF:/module1/abstract3
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pointer :: abstract3
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interface
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!DEF: /module1/explicit1 EXTERNAL, PUBLIC (Function) Subprogram REAL(4)
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!DEF: /module1/explicit1/x INTENT(IN) ObjectEntity REAL(4)
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real function explicit1(x)
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!REF: /module1/explicit1/x
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real, intent(in) :: x
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end function explicit1
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!DEF: /module1/logical EXTERNAL, PUBLIC (Function) Subprogram INTEGER(4)
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!DEF: /module1/logical/x INTENT(IN) ObjectEntity REAL(4)
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integer function logical(x)
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!REF: /module1/logical/x
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real, intent(in) :: x
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end function logical
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!DEF: /module1/tan EXTERNAL, PUBLIC (Function) Subprogram CHARACTER(1_4,1)
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!DEF: /module1/tan/x INTENT(IN) ObjectEntity REAL(4)
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character(len=1) function tan(x)
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!REF: /module1/tan/x
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real, intent(in) :: x
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end function tan
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end interface
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!DEF: /module1/derived1 PUBLIC DerivedType
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type :: derived1
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!REF: /module1/abstract1
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!DEF: /module1/derived1/p1 NOPASS, POINTER (Function) ProcEntity REAL(4)
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!DEF: /module1/nested1 PUBLIC (Function) Subprogram REAL(4)
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procedure(abstract1), pointer, nopass :: p1 => nested1
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!REF: /module1/explicit1
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!DEF: /module1/derived1/p2 NOPASS, POINTER (Function) ProcEntity REAL(4)
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!REF: /module1/nested1
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procedure(explicit1), pointer, nopass :: p2 => nested1
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!DEF: /module1/derived1/p3 NOPASS, POINTER (Function) ProcEntity LOGICAL(4)
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!DEF: /module1/nested2 PUBLIC (Function) Subprogram LOGICAL(4)
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procedure(logical), pointer, nopass :: p3 => nested2
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!DEF: /module1/derived1/p4 NOPASS, POINTER (Function) ProcEntity LOGICAL(4)
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!DEF: /module1/nested3 PUBLIC (Function) Subprogram LOGICAL(4)
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procedure(logical(kind=4)), pointer, nopass :: p4 => nested3
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!DEF: /module1/derived1/p5 NOPASS, POINTER (Function) ProcEntity COMPLEX(4)
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!DEF: /module1/nested4 PUBLIC (Function) Subprogram COMPLEX(4)
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procedure(complex), pointer, nopass :: p5 => nested4
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!DEF: /module1/sin ELEMENTAL, INTRINSIC, PUBLIC, PURE (Function) ProcEntity REAL(4)
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!DEF: /module1/derived1/p6 NOPASS, POINTER (Function) ProcEntity REAL(4)
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!REF: /module1/nested1
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procedure(sin), pointer, nopass :: p6 => nested1
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!REF: /module1/sin
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!DEF: /module1/derived1/p7 NOPASS, POINTER (Function) ProcEntity REAL(4)
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!DEF: /module1/cos ELEMENTAL, INTRINSIC, PUBLIC, PURE (Function) ProcEntity REAL(4)
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procedure(sin), pointer, nopass :: p7 => cos
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!REF: /module1/tan
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!DEF: /module1/derived1/p8 NOPASS, POINTER (Function) ProcEntity CHARACTER(1_4,1)
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!DEF: /module1/nested5 PUBLIC (Function) Subprogram CHARACTER(1_8,1)
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procedure(tan), pointer, nopass :: p8 => nested5
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end type derived1
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contains
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!REF: /module1/nested1
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!DEF: /module1/nested1/x INTENT(IN) ObjectEntity REAL(4)
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real function nested1(x)
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!REF: /module1/nested1/x
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real, intent(in) :: x
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!DEF: /module1/nested1/nested1 ObjectEntity REAL(4)
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!REF: /module1/nested1/x
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nested1 = x+1.
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end function nested1
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!REF: /module1/nested2
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!DEF: /module1/nested2/x INTENT(IN) ObjectEntity REAL(4)
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logical function nested2(x)
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!REF: /module1/nested2/x
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real, intent(in) :: x
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!DEF: /module1/nested2/nested2 ObjectEntity LOGICAL(4)
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!REF: /module1/nested2/x
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nested2 = x/=0
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end function nested2
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!REF: /module1/nested3
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!DEF: /module1/nested3/x INTENT(IN) ObjectEntity REAL(4)
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logical function nested3(x)
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!REF: /module1/nested3/x
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real, intent(in) :: x
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!DEF: /module1/nested3/nested3 ObjectEntity LOGICAL(4)
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!REF: /module1/nested3/x
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nested3 = x>0
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end function nested3
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!REF: /module1/nested4
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!DEF: /module1/nested4/x INTENT(IN) ObjectEntity REAL(4)
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complex function nested4(x)
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!REF: /module1/nested4/x
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real, intent(in) :: x
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!DEF: /module1/nested4/nested4 ObjectEntity COMPLEX(4)
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!DEF: /module1/nested4/cmplx ELEMENTAL, INTRINSIC, PURE (Function) ProcEntity
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!REF: /module1/nested4/x
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nested4 = cmplx(x+4., 6.)
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end function nested4
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!REF: /module1/nested5
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!DEF: /module1/nested5/x INTENT(IN) ObjectEntity REAL(4)
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character function nested5(x)
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!REF: /module1/nested5/x
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real, intent(in) :: x
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!DEF: /module1/nested5/nested5 ObjectEntity CHARACTER(1_8,1)
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nested5 = "a"
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end function nested5
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end module module1
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!DEF: /explicit1 (Function) Subprogram REAL(4)
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!DEF: /explicit1/x INTENT(IN) ObjectEntity REAL(4)
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real function explicit1(x)
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!REF: /explicit1/x
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real, intent(in) :: x
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!DEF: /explicit1/explicit1 ObjectEntity REAL(4)
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!REF: /explicit1/x
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explicit1 = -x
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end function explicit1
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!DEF: /logical (Function) Subprogram INTEGER(4)
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!DEF: /logical/x INTENT(IN) ObjectEntity REAL(4)
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integer function logical(x)
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!REF: /logical/x
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real, intent(in) :: x
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!DEF: /logical/logical ObjectEntity INTEGER(4)
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!REF: /logical/x
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logical = x+3.
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end function logical
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!DEF: /tan (Function) Subprogram CHARACTER(1_8,1)
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!DEF: /tan/x INTENT(IN) ObjectEntity REAL(4)
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character*1 function tan(x)
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!REF: /tan/x
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real, intent(in) :: x
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!DEF: /tan/tan ObjectEntity CHARACTER(1_8,1)
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tan = "?"
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end function tan
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!DEF: /main MainProgram
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program main
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!REF: /module1
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use :: module1
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!DEF: /main/derived1 Use
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!DEF: /main/instance ObjectEntity TYPE(derived1)
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type(derived1) :: instance
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!REF: /main/instance
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!REF: /module1/derived1/p1
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if (instance%p1(1.)/=2.) print *, "p1 failed"
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!REF: /main/instance
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!REF: /module1/derived1/p2
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if (instance%p2(1.)/=2.) print *, "p2 failed"
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!REF: /main/instance
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!REF: /module1/derived1/p3
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if (.not.instance%p3(1.)) print *, "p3 failed"
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!REF: /main/instance
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!REF: /module1/derived1/p4
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if (.not.instance%p4(1.)) print *, "p4 failed"
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!REF: /main/instance
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!REF: /module1/derived1/p5
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if (instance%p5(1.)/=(5.,6.)) print *, "p5 failed"
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!REF: /main/instance
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!REF: /module1/derived1/p6
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if (instance%p6(1.)/=2.) print *, "p6 failed"
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!REF: /main/instance
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!REF: /module1/derived1/p7
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if (instance%p7(0.)/=1.) print *, "p7 failed"
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!REF: /main/instance
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!REF: /module1/derived1/p8
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if (instance%p8(1.)/="a") print *, "p8 failed"
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end program main
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