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982614fa47
When multiple scopes in a compilation define interfaces (explicit or implicit) for an external procedure, warn when those interfaces are inconsistent. Differential Revision: https://reviews.llvm.org/D146574
82 lines
1.9 KiB
Fortran
82 lines
1.9 KiB
Fortran
! RUN: %python %S/test_errors.py %s %flang_fc1
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! Resolve generic based on number of arguments
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subroutine subr1
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interface f
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real function s1f1(x)
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optional :: x
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end
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real function s1f2(x, y)
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end
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end interface
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z = f(1.0)
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z = f(1.0, 2.0)
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!ERROR: No specific function of generic 'f' matches the actual arguments
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z = f(1.0, 2.0, 3.0)
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end
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! Elemental and non-element function both match: non-elemental one should be used
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subroutine subr2
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interface f
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logical elemental function s2f1(x)
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intent(in) :: x
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end
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real function s2f2(x)
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real :: x(10)
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end
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end interface
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real :: x, y(10), z
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logical :: a
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a = f(1.0)
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!ERROR: No intrinsic or user-defined ASSIGNMENT(=) matches operand types LOGICAL(4) and REAL(4)
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a = f(y)
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end
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! Resolve named operator
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subroutine s3
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interface operator(.foo.)
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pure integer(8) function f_real(x, y)
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real, intent(in) :: x, y
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end
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pure integer(8) function f_integer(x, y)
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integer, intent(in) :: x, y
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end
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end interface
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logical :: a, b, c
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x = y .foo. z ! OK: f_real
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i = j .foo. k ! OK: f_integer
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!ERROR: No intrinsic or user-defined .FOO. matches operand types LOGICAL(4) and LOGICAL(4)
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a = b .foo. c
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end
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! Generic resolves successfully but error analyzing call
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module m4
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real, protected :: x
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real :: y
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interface s
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pure subroutine s101(x)
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real, intent(out) :: x
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end
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subroutine s102(x, y)
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real :: x, y
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end
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end interface
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end
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subroutine s4a
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use m4
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real :: z
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!OK
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call s(z)
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end
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subroutine s4b
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use m4
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!ERROR: Actual argument associated with INTENT(OUT) dummy argument 'x=' is not definable
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!BECAUSE: 'x' is protected in this scope
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call s(x)
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end
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pure subroutine s4c
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use m4
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!ERROR: Actual argument associated with INTENT(OUT) dummy argument 'x=' is not definable
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!BECAUSE: 'y' may not be defined in pure subprogram 's4c' because it is USE-associated
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call s(y)
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end
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