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! { dg-do compile }
! Tests the fix for PR39295, in which the check of the interfaces
! at lines 25 and 42 failed because opfunc1 is identified as a
! function by usage, whereas opfunc2 is not.
!
! Contributed by Jon Hurst <jhurst@ucar.edu>
!
MODULE funcs
CONTAINS
INTEGER FUNCTION test1(a,b,opfunc1)
INTEGER :: a,b
INTEGER, EXTERNAL :: opfunc1
test1 = opfunc1( a, b )
END FUNCTION test1
INTEGER FUNCTION sumInts(a,b)
INTEGER :: a,b
sumInts = a + b
END FUNCTION sumInts
END MODULE funcs
PROGRAM test
USE funcs
INTEGER :: rs
INTEGER, PARAMETER :: a = 2, b = 1
rs = recSum( a, b, test1, sumInts )
write(*,*) "Results", rs
CONTAINS
RECURSIVE INTEGER FUNCTION recSum( a,b,UserFunction,UserOp ) RESULT( res )
IMPLICIT NONE
INTEGER :: a,b
INTERFACE
INTEGER FUNCTION UserFunction(a,b,opfunc2)
INTEGER :: a,b
INTEGER, EXTERNAL :: opfunc2
END FUNCTION UserFunction
END INTERFACE
INTEGER, EXTERNAL :: UserOp
res = UserFunction( a,b, UserOp )
if( res .lt. 10 ) then
res = recSum( a, res, UserFunction, UserOp )
end if
END FUNCTION recSum
END PROGRAM test
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