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-rw-r--r--gcc/testsuite/gfortran.dg/whole_file_16.f9013
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diff --git a/gcc/testsuite/gfortran.dg/whole_file_16.f90 b/gcc/testsuite/gfortran.dg/whole_file_16.f90
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+! { dg-do compile }
+! { dg-options "-fwhole-file" }
+!
+! PR fortran/31346
+!
+program main
+ real, dimension(2) :: a
+ call foo(a) ! { dg-error "must have an explicit interface" }
+end program main
+
+subroutine foo(a)
+ real, dimension(:) :: a
+end subroutine foo