diff options
Diffstat (limited to 'gcc/testsuite/gfortran.dg/auto_char_len_4.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/auto_char_len_4.f90 | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/auto_char_len_4.f90 b/gcc/testsuite/gfortran.dg/auto_char_len_4.f90 new file mode 100644 index 000000000..6b4e26e6b --- /dev/null +++ b/gcc/testsuite/gfortran.dg/auto_char_len_4.f90 @@ -0,0 +1,39 @@ +! { dg-do compile } +! { dg-options "-fwhole-file" } +! +! Tests the fix for PR25087, in which the following invalid code +! was not detected. +! +! Contributed by Joost VandeVondele <jv244@cam.ac.uk> +! +! Modified by Tobias Burnus to fix PR fortran/41235. +! +FUNCTION a() + CHARACTER(len=10) :: a + a = '' +END FUNCTION a + +SUBROUTINE s(n) + CHARACTER(LEN=n), EXTERNAL :: a ! { dg-error "must have an explicit interface" } + CHARACTER(LEN=n), EXTERNAL :: d ! { dg-error "must have an explicit interface" } + interface + function b (m) ! This is OK + CHARACTER(LEN=m) :: b + integer :: m + end function b + end interface + write(6,*) a() + write(6,*) b(n) + write(6,*) c() + write(6,*) d() +contains + function c () ! This is OK + CHARACTER(LEN=n):: c + c = "" + end function c +END SUBROUTINE s + +FUNCTION d() + CHARACTER(len=99) :: d + d = '' +END FUNCTION d |