gcc/testsuite/gfortran.dg/char_assign_1.f90

   1 ! { dg-do run }
   2 ! { dg-options "-Wcharacter-truncation" }
   3 ! Tests the fix for PR31266: references to CHARACTER
   4 ! components lead to the wrong length being assigned to substring
   5 ! expressions.
   6 type data
   7    character(len=5) :: c
   8 end type data
   9 type(data), dimension(5), target :: y
  10 character(len=2), dimension(5) :: p
  11 character(len=3), dimension(5) :: q
  12
  13 y(:)%c = "abcdef" ! { dg-warning "in assignment \\(5/6\\)" }
  14 p(1) = y(1)%c(3:) ! { dg-warning "in assignment \\(2/3\\)" }
  15 if (p(1).ne."cd") call abort()
  16
  17 p(1) = y(1)%c  ! { dg-warning "in assignment \\(2/5\\)" }
  18 if (p(1).ne."ab") call abort()
  19
  20 q = "xyz"
  21 p = q ! { dg-warning "CHARACTER expression will be truncated in assignment \\(2/3\\)" }
  22 if (any (p.ne.q(:)(1:2))) call abort()
  23 end